참고문헌
- Abd El-Aziz AH, Mahrous UE, Kamel SZ, Sabek AA. 2016. Factors influencing in vitro production of bovine embryos: a review. Asian J. Anim. Vet. Adv. 11:737-756. https://doi.org/10.3923/ajava.2016.737.756
- Abdel-Khalek EA, El-Harairy MA, Shamiah ShM, Khalil WA. 2010. Effect of ovary preservation period on recovery rate and categories of dromedary camel oocytes. Saudi J. Biol. Sci. 17:231-235. https://doi.org/10.1016/j.sjbs.2010.04.007
- Abdel-Rahim SEA and El-Nazier AT. 1993. Factors affecting camel reproductive performance in the tropics. In: Saint- Martin, G (Ed.), Proceedings of the Workshop - "Is It Possible to Improve the Reproductive Performance of the Camel?", Paris 10-12 September 1990. Institut d'Elevage et de Medecine Veterinaire des Pays Tropicaux Etudes et Syntheses., 41, CIRAD, Dep. d'Elevage et de Med. Veterinaire, Maisons-Alfort, pp. 131-148.
- Abdelkhalek AE, Gabr SA, Khalil WA, Shamiah SM, Pan L, Qin G, Farouk MH. 2017. In vitro production of Sudanese camel (Camelus dromedarius) embryos from epididymal spermatozoa and follicular oocytes of slaughtered animals. Pol. J. Vet. Sci. 20:95-101. https://doi.org/10.1515/pjvs-2017-0013
- Abdelrazik H, Sharma R, Mahfouz R, Agarwal A. 2009. L-carnitine decreases DNA damage and improves the in vitro blastocyst development rate in mouse embryos. Fertil. Steril. 91:589-596. https://doi.org/10.1016/j.fertnstert.2007.11.067
- Abdoon AS. 2001. Factors affecting follicular population, oocyte yield and quality in camels (Camelus dromedarius ) ovary with special reference to maturation time in vitro. Anim. Reprod. Sci. 66:71-79. https://doi.org/10.1016/S0378-4320(01)00078-1
- Abdoon AS, Kandil OM, Berisha B, Kliem H, Schams D. 2007. Morphology of dromedary camel oocytes and their ability to spontaneous and chemical parthenogenetic activation. Reprod. Domest. Anim. 42:88-93. https://doi.org/10.1111/j.1439-0531.2006.00737.x
- Abdoon AS, Kandil OM, Otoi T, Suzuki T. 2001. Influence of oocyte quality, culture media and gonadotropins on cleavage rate and development of in vitro fertilized buffalo embryos. Anim. Reprod. Sci. 65:215-223. https://doi.org/10.1016/S0378-4320(01)00079-3
- Akaki Y, Yoshioka K, Noguchi M, Hoshi H, Funahashi H. 2009. Successful piglet production in a chemically defined system for in-vitro production of porcine embryos: dibutyryl cyclic amp and epidermal growth factor-family peptides support in-vitro maturation of oocytes in the absence of gonadotropins. J. Reprod. Dev. 55:446-453. https://doi.org/10.1262/jrd.20219
- Aoyagi Y, Fujii K, Iwazumi Y, Furudate M, Fukui Y, Ono H. 1988. Effects of two treatments on semen from different bulls on in vitro fertilization results of bovine oocytes. Theriogenology 30:973-985. https://doi.org/10.1016/S0093-691X(88)80060-8
- Arthur GH, al-Rahim AT, al-Hindi AS. 1985. Reproduction and genital diseases of the camel. Br. Vet. J. 141:650-659. https://doi.org/10.1016/0007-1935(85)90014-4
- Atikuzzaman M, Koo OJ, Kang JT, Kwon DK, Park SJ, Kim SJ, Gomez MN, Oh HJ, Hong SG, Jang G, Lee BC. 2011. The 9-cis retinoic acid signaling pathway and its regulation of prostaglandin-endoperoxide synthase 2 during in vitro maturation of pig cumulus cell-oocyte complexes and effects on parthenogenetic embryo production. Biol. Reprod. 84:1272-1281. https://doi.org/10.1095/biolreprod.110.086595
- Austin CR. 1951. Observations on the penetration of the sperm in the mammalian egg. Aust. J. Sci. Res. B 4:581-596. https://doi.org/10.1071/BI9510581
- Ball GD, Leibfried ML, Ax RL, First NL. 1984. Maturation and fertilization of bovine oocytes in vitro. J. Dairy Sci. 67:2775-2785. https://doi.org/10.3168/jds.s0022-0302(84)81634-3
- Ball GD, Leibfried ML, Lenz RW, Ax RL, Bavister BD, First NL. 1983. Factors affecting successful in vitro fertilization of bovine follicular oocytes. Biol. Reprod. 28:717-725. https://doi.org/10.1095/biolreprod28.3.717
- Bavister BD. 1995. Culture of preimplantation embryos: facts and artifacts. Hum. Reprod. Update 1:91-148. https://doi.org/10.1093/humupd/1.2.91
- Bavister BD, Rose-Hellekant TA, Pinyopummintr T. 1992. Development of in vitro matured/in vitro fertilized bovine embryos into morulae and blastocysts in defined culture media. Theriogenology 37:127-146. https://doi.org/10.1016/0093-691X(92)90251-L
- Bedford JM and Kim HH. 1993. Cumulus oophorus as a sperm sequestering device, in vivo. J. Exp. Zool. 265:321-328. https://doi.org/10.1002/jez.1402650314
- Ben-Ami I, Komsky A, Bern O, Kasterstein E, Komarovsky D, Ron-El R. 2011. In vitro maturation of human germinal vesicle-stage oocytes: role of epidermal growth factor-like growth factors in the culture medium. Hum. Reprod. 26:76-81. https://doi.org/10.1093/humrep/deq290
- Berland MA, von Baer A, Ruiz J, Parraguez VH, Morales P, Adams GP, Ratto MH. 2011. In vitro fertilization and development of cumulus oocytes complexes collected by ultrasound-guided follicle aspiration in superstimulated llamas. Theriogenology 75:1482-1488. https://doi.org/10.1016/j.theriogenology.2010.11.047
- Bevers MM, Dieleman SJ, van den Hurk R, Izadyar F. 1997. Regulation and modulation of oocyte maturation in the bovine. Theriogenology 47:13-22. https://doi.org/10.1016/S0093-691X(96)00335-4
- Bou SG, Pang YF, Zhang SL, Xue XX. 1993. Preliminary study on in vitro fertilization in the domestic camel (Camelus bactrianus). Chin. J. Zool. 28:35-37.
- Brackett BG, Bousquet D, Boice ML, Donawick WJ, Evans JF, Dressel MA. 1982. Normal development following in vitro fertilization in the cow. Biol. Reprod. 27:147-158. https://doi.org/10.1095/biolreprod27.1.147
- Brackett BG and Oliphant G. 1975. Capacitation of rabbit spermatozoa in vitro. Biol. Reprod. 12:260-274. https://doi.org/10.1095/biolreprod12.2.260
- Brackett BG and Zuelke KA. 1993. Analysis of factors involved in the in vitro production of bovine embryos. Theriogenology 39:43-64. https://doi.org/10.1016/0093-691X(93)90023-X
- Brogliatti GM, Palasz AT, Rodriguez-Martinez H, Mapletoft RJ, Adams GP. 2000. Transvaginal collection and ultrastructure of llama (Lama glama) oocytes. Theriogenology 54:1269-1279. https://doi.org/10.1016/S0093-691X(00)00433-7
- Chang MC. 1951. Fertilizing capacity of spermatozoa deposited into the fallopian tubes. Nature 168:697-698. https://doi.org/10.1038/168697b0
- Chang MC. 1959. Fertilization of rabbit ova in vitro. Nature 184(Suppl 7):466-467. https://doi.org/10.1038/184466a0
- Chen BX and Yuen ZX. 1979. Reproductive pattern of the Bactrian camel. In: Cockrill WR (Ed.), The Camelid: An All-Purpose Animal, 1. Scandinavian Institute of African Studies, Uppsala, pp. 364-386.
- Chen J and Downs SM. 2008. AMP-activated protein kinase is involved in hormone-induced mouse oocyte meiotic maturation in vitro. Dev. Biol. 313:47-57. https://doi.org/10.1016/j.ydbio.2007.09.043
- Cheng WTK, Moor RM, Polge CE. 1986. In vitro fertilization of pig and sheep oocytes matured in vivo and in vitro. Theriogenology 25:146. https://doi.org/10.1016/0093-691X(86)90200-1
- Choi I and Campbell KH. 2010. Treatment of ovine oocytes with caffeine increases the accessibility of DNase I to the donor chromatin and reduces apoptosis in somatic cell nuclear transfer embryos. Reprod. Fertil. Dev. 22:1000-1014. https://doi.org/10.1071/RD09144
- Crichton EG, Pukazhenthi BS, Billah M, Skidmore JA. 2015. Cholesterol addition aids the cryopreservation of dromedary camel (Camelus dromedarius ) spermatozoa. Theriogenology 83:168-174. https://doi.org/10.1016/j.theriogenology.2014.09.005
- Daen FP, Sato E, Naito K, Toyoda Y. 1994. The effect of pig follicular fluid fractions on cumulus expansion and male pronucleus formation in porcine oocytes matured and fertilized in vitro. J. Reprod. Fertil. 101:667-673. https://doi.org/10.1530/jrf.0.1010667
- Dale B. 1987. Mechanism of fertilization. Nature 325:762-763. https://doi.org/10.1038/325762a0
- Das K, Phipps WR, Hensleigh HC, Tagatz GE. 1992. Epidermal growth factor in human follicular fluid stimulates mouse oocyte maturation in vitro. Fertil. Steril. 57:895-901. https://doi.org/10.1016/s0015-0282(16)54977-2
- Datta TK and Goswami SL. 1999. Effect of quality of buffalo oocytes on their maturation rate in vitro. Indian. J. Anim. Sci. 69:23-26.
- de Loos F, Kastrop P, Van Maurik P, Van Beneden TH, Kruip TA. 1991. Heterologous cell contacts and metabolic coupling in bovine cumulus oocyte complexes. Mol. Reprod. Dev. 28:255-259. https://doi.org/10.1002/mrd.1080280307
- Dekel N and Sherizly I. 1985. Epidermal growth factor induces maturation of rat follicle-enclosed oocytes. Endocrinology 116:406-409. https://doi.org/10.1210/endo-116-1-406
- Del Campo MR, Del Campo CH, Adams GP, Mapletoft RJ. 1995. The application of new reproductive technologies to South American camelids. Theriogenology 43:21-30. https://doi.org/10.1016/0093-691X(94)00007-H
- Del Campo MR, Del Campo CH, Donoso MX, Berland M. 1994a. In vitro fertilization of llama (Lama glama) follicular oocytes. Theriogenology 41:187. https://doi.org/10.1016/S0093-691X(05)80097-4
- Del Campo MR, Del Campo CH, Donoso MX, Berland M, Mapletoft RJ. 1994b. In vitro fertilization and development of llama (Lama glama) oocytes using epididymal spermatozoa and oviductal cell co-culture. Theriogenology 41:1219-1229. https://doi.org/10.1016/0093-691X(94)90479-3
- Del Campo MR, Donoso MX, Del Camop CH, Rojo RB, C., Parrish JJ, Mapletoft RJ. 1992. In vitro maturation of llama (Lama glama) oocytes. 12th International Congress on Animal Reproduction The Hague, The Netherlands-August 23-27:324-326.
- Downs SM. 1989. Specificity of epidermal growth factor action on maturation of the murine oocyte and cumulus oophorus in vitro. Biol. Reprod. 41:371-379. https://doi.org/10.1095/biolreprod41.2.371
- Downs SM, Daniel SA, Eppig JJ. 1988. Induction of maturation in cumulus cell-enclosed mouse oocytes by follicle-stimulating hormone and epidermal growth factor: evidence for a positive stimulus of somatic cell origin. J. Exp. Zool. 245:86-96. https://doi.org/10.1002/jez.1402450113
- Downs SM, Schroeder AC, Eppig JJ. 1986. Serum maintains the fertilizability of mouse oocytes matured in vitro by preventing hardening of the zona pellucida. Gamete Res. 15:115-122. https://doi.org/10.1002/mrd.1120150203
- Dunning KR, Cashman K, Russell DL, Thompson JG, Norman RJ, Robker RL. 2010. Beta-oxidation is essential for mouse oocyte developmental competence and early embryo development. Biol. Reprod. 83:909-918. https://doi.org/10.1095/biolreprod.110.084145
- Dunning KR and Robker RL. 2012. Promoting lipid utilization with l-carnitine to improve oocyte quality. Anim. Reprod. Sci. 134:69-75. https://doi.org/10.1016/j.anireprosci.2012.08.013
- Eckert J and Niemann H. 1995. In vitro maturation, fertilization and culture to blastocysts of bovine oocytes in protein-free media. Theriogenology 43:1211-1125. https://doi.org/10.1016/0093-691X(95)00093-N
- Edwards RG. 1965. Maturation in vitro of mouse, sheep, cow, pig, rhesus monkey and human ovarian oocytes. Nature 208:349-351. https://doi.org/10.1038/208349a0
- El-Wishy AB. 1987. Reproduction in the female dromedary (Camelus dromedarius ): a review. Anim. Reprod. Sci. 15: 273-297. https://doi.org/10.1016/0378-4320(87)90049-2
- El-Wishy AB and Ghoneim IM. 1986. Breeding activity of the camel (Camelus dromedarius). Anim. Reprod. Sci. 11:75-77. https://doi.org/10.1016/0378-4320(86)90105-3
- El-Wishy AB and Hemeida NA. 1984. Observations on the ovaries of slaughtered camels (Camelus dromedarius). Vet. Med. J. 32:295-312.
- El-Wishy AB, Hemeida NA, Omar MA, Mobarak AM, El Sayed MA. 1981. Functional changes in the pregnant camel with special reference to foetal growth. Br. Vet. J. 137:527-537. https://doi.org/10.1016/s0007-1935(17)31592-0
- Eppig JJ. 1979a. FSH stimulates hyaluronic acid synthesis by oocyte-cumulus cell complexes from mouse preovulatory follicles. Nature 281:483-484. https://doi.org/10.1038/281483a0
- Eppig JJ. 1979b. Gonadotropin stimulation of the expansion of cumulus oophori isolated from mice: general conditions for expansion in vitro. J. Exp. Zool. 208:111-120. https://doi.org/10.1002/jez.1402080112
- Fathi M and El-Shahat KH. 2017. L-carnitine enhances oocyte maturation and improves in vitro development of embryos in dromedary camels (Camelus dromedaries ). Theriogenology 104:18-22. https://doi.org/10.1016/j.theriogenology.2017.08.006
- Fathi M, Moawad AR, Badr MR. 2018. Production of blastocysts following in vitro maturation and fertilization of dromedary camel oocytes vitrified at the germinal vesicle stage. PLoS One 13:e0194602. https://doi.org/10.1371/journal.pone.0194602
- Fathi M, Seida AA, Sobhy RR, Darwish GM, Badr MR, Moawad AR. 2014. Caffeine supplementation during IVM improves frequencies of nuclear maturation and preimplantation development of dromedary camel oocytes following IVF. Theriogenology 81:1286-1292. https://doi.org/10.1016/j.theriogenology.2014.02.010
- Fukui Y and Ono H. 1989. Effects of sera, hormones and granulosa cells added to culture medium for in-vitro maturation, fertilization, cleavage and development of bovine oocytes. J. Reprod. Fertil. 86:501-506. https://doi.org/10.1530/jrf.0.0860501
- Fukushima M and Fukui Y. 1985. Effects of gonadotropins and steroids on the subsequent fertilizability of extrafollicular bovine oocytes cultured in vitro. Anim. Reprod. Sci. 9:323-332. https://doi.org/10.1016/0378-4320(85)90061-2
- Gadella BM, Rathi R, Brouwers JF, Stout TA, Colenbrander B. 2001. Capacitation and the acrosome reaction in equine sperm. Anim. Reprod. Sci. 68:249-265. https://doi.org/10.1016/S0378-4320(01)00161-0
- Galli C and Lazzari G. 1996. Practical aspects of IVM/IVF in cattle. Anim. Reprod. Sci. 42:371-379. https://doi.org/10.1016/0378-4320(96)01530-8
- Garbers DL, First NL, Sullivan JJ, Lardy HA. 1971. Stimulation and maintenance of ejaculated bovine spermatozoan respiration and motility by caffeine. Biol. Reprod. 5:336-339. https://doi.org/10.1093/biolreprod/5.3.336
- Ghoneim IM. 1999. In vitro maturation of cumulus oocyte complexes of pregnant and non-pregnant Camelus dromedarius. J. Egypt. Vet. Med. Ass. 59:1649-1659.
- Glogowski J, Danforth DR, Ciereszko A. 2002. Inhibition of alkaline phosphatase activity of boar semen by pentoxifylline, caffeine, and theophylline. J. Androl. 23:783-792.
- Goto K, Kajihara Y, Koba M, Kosaka S, Nakanishi Y, Ogawa K. 1989. In vitro fertilization and development of in vitro matured bovine follicular oocytes. J. Anim. Sci. 67:2181-2185. https://doi.org/10.2527/jas1989.6782181x
- Goud PT, Goud AP, Qian C, Laverge H, Van der Elst J, De Sutter P, Dhont M. 1998. In-vitro maturation of human germinal vesicle stage oocytes: role of cumulus cells and epidermal growth factor in the culture medium. Hum. Reprod. 13:1638-1644. https://doi.org/10.1093/humrep/13.6.1638
- Grupen CG. 2014. The evolution of porcine embryo in vitro production. Theriogenology 81:24-37. https://doi.org/10.1016/j.theriogenology.2013.09.022
- Guignot F, Bezard J, Palmer E. 1999. Effect of time during transport of excised mare ovaries on oocyte recovery rate and quality after in vitro maturation. Theriogenology 52:757-766. https://doi.org/10.1016/S0093-691X(99)00169-7
- Hanada A. 1985. In vitro fetilization in goats. Jpn. J. Anim. Reprod. 31:21-26.
- Hemeida NA, Abd-Elfatah A, Elsayed MA, Kandil OM. 2015. Effect of culture media and epidermal growth factor on in vitro oocyte maturation in the one-humped camel (Camelus dromedarius). Int. J. Chemtech Res. 8:130-141.
- Ikeda S, Kitagawa M, Imai H, Yamada M. 2005. The roles of vitamin A for cytoplasmic maturation of bovine oocytes. J. Reprod. Dev. 51:23-35. https://doi.org/10.1262/jrd.51.23
- Iritani A, Kasai M, Niwa K, Song HB. 1984. Fertilization in vitro of cattle follicular oocytes with ejaculated spermatozoa capacitated in a chemically defined medium. J. Reprod. Fertil. 70:487-492. https://doi.org/10.1530/jrf.0.0700487
- Jaakma U, Zhang BR, Larsson B, Niwa K, Rodriguez-Martinez H. 1997. Effects of sperm treatments on the in vitro development of bovine oocytes in semidefined and defined media. Theriogenology 48:711-720. https://doi.org/10.1016/S0093-691X(97)00295-1
- Jain GC, Das GK, Solanki VS, Tripathi VN. 1995. Comparative efficiency of three different collection techniques for oocyte retrieval in buffaloes. Theriogenology 43:240. https://doi.org/10.1016/0093-691X(95)92394-O
- Johnston LA, O'Brien SJ, Wildt DE. 1989. In vitro maturation and fertilization of domestic cat follicular oocytes. Gamete Res. 24:343-356. https://doi.org/10.1002/mrd.1120240310
- Kafi M, McGowan MR, Kirkland PD. 2002. In vitro maturation and fertilization of bovine oocytes and in vitro culture of presumptive zygotes in the presence of bovine pestivirus. Anim. Reprod. Sci. 71:169-179. https://doi.org/10.1016/S0378-4320(02)00017-9
- Kafi M, Mesbah F, Nili H, Khalili A. 2005. Chronological and ultrastructural changes in camel (Camelus dromedarius ) oocytes during in vitro maturation. Theriogenology 63:2458-2470. https://doi.org/10.1016/j.theriogenology.2004.09.059
- Kan M and Yamane I. 1983. Oxygen-dependent growth declining and effect of vitamin E for human diploid fibroblasts in serum-free, BSA-containing culture. Tohoku J. Exp. Med. 139:389-398. https://doi.org/10.1620/tjem.139.389
- Kawakami E, Arai T, Nakamura U. 1999. Effects of medium containing heparin and theophylline on capacitation and metabolic enzyme activities of ejaculated spermatozoa from dogs with asthenozoospermia. Anim. Reprod. Sci. 54:251-259. https://doi.org/10.1016/S0378-4320(98)00158-4
- Keefer CL, Stice SL, Maki-Laurila M. 1991. Bovine embryo development in vitro: effect of in vitro maturation conditions on fertilization and blastocyst development. Theriogenology 35:223. https://doi.org/10.1016/0093-691X(91)90199-N
- Khatir H and Anouassi A. 2006. The first dromedary (Camelus dromedarius) offspring obtained from in vitro matured, in vitro fertilized and in vitro cultured abattoir-derived oocytes. Theriogenology 65:1727-1736. https://doi.org/10.1016/j.theriogenology.2005.09.029
- Khatir H, Anouassi A, Tibary A. 2004. Production of dromedary (Camelus dromedarius) embryos by IVM and IVF and coculture with oviductal or granulosa cells. Theriogenology 62:1175-1185. https://doi.org/10.1016/j.theriogenology.2004.01.016
- Khatir H, Anouassi A, Tibary A. 2005. In vitro and in vivo developmental competence of dromedary (Camelus dromedarius) embryos produced in vitro using two culture systems (mKSOMaa and oviductal cells). Reprod. Domest. Anim. 40:245-249. https://doi.org/10.1111/j.1439-0531.2005.00587.x
- Khatir H, Anouassi A, Tibary A. 2009. In vitro and in vivo developmental competence of dromedary (Camelus dromedarius) oocytes following in vitro fertilization or parthenogenetic activation. Anim. Reprod. Sci. 113:212-219. https://doi.org/10.1016/j.anireprosci.2008.07.007
- Kikuchi K, Naito K, Noguchi J, Shimada A, Kaneko H, Yamashita M, Aoki F, Tojo H, Toyoda Y. 2000. Maturation/M-phase promoting factor: a regulator of aging in porcine oocytes. Biol. Reprod. 63:715-722. https://doi.org/10.1095/biolreprod63.3.715
- Kitiyanant Y, Chaisalee B, Pavasuthipaisit K. 2002. Evaluation of the acrosome reaction and viability in buffalo spermatozoa using two staining methods: the effects of heparin and calcium ionophore A23187. Int. J. Androl. 25:215-222. https://doi.org/10.1046/j.1365-2605.2002.00350.x
- Kito S and Bavister BD. 1997. Gonadotropins, serum, and amino acids alter nuclear maturation, cumulus expansion, and oocyte morphology in hamster cumulus-oocyte complexes in vitro. Biol. Reprod. 56:1281-1289. https://doi.org/10.1095/biolreprod56.5.1281
- Kito S, Iritani A, Bavister BD. 1997. Effects of volume, culture media and type of culture dish on in vitro development of hamster 1-cell embryos. Theriogenology 47:541-548. https://doi.org/10.1016/S0093-691X(97)00012-5
- Kohler-Rollefson I. 1993. About camel breeds: a reevaluation of current classification systems. J. Anim. Breed. Genet. 110:66-73. https://doi.org/10.1111/j.1439-0388.1993.tb00717.x
- Konishi M, Aoyagi Y, Takedomi T, Itakura H, Itoh T, Yazawa S. 1996. Presence of granulosa cells during oocyte maturation improved in vitro development of IVM-IVF bovine oocytes that were collected by ultrasound-guided transvaginal aspiration. Theriogenology 45:573-581. https://doi.org/10.1016/0093-691X(95)00404-V
- Kumar A, Solanki VS, Jindal SK, Tripathi VN, Jain GC. 1997. Oocyte retrieval and histological studies of follicular population in buffalo ovaries. Anim. Reprod. Sci. 47:189-195. https://doi.org/10.1016/S0378-4320(96)01588-6
- Lee CN and Ax RL. 1984. Concentrations and composition of glycosaminoglycans in the female bovine reproductive tract. J. Dairy Sci. 67:2006-2009. https://doi.org/10.3168/jds.s0022-0302(84)81536-2
- Lee JH and Campbell KH. 2006. Effects of enucleation and caffeine on maturation-promoting factor (MPF) and mitogenactivated protein kinase (MAPK) activities in ovine oocytes used as recipient cytoplasts for nuclear transfer. Biol. Reprod. 74:691-698. https://doi.org/10.1095/biolreprod.105.043885
- Lenz RW, Ball GD, Leibfried ML, Ax RL, First NL. 1983. In vitro maturation and fertilization of bovine oocytes are temperature- dependent processes. Biol. Reprod. 29:173-179. https://doi.org/10.1095/biolreprod29.1.173
- Liang S, Kang J, Jin H, Liu X, Li J, Li S, Lu Y, Wang W, Yin XJ. 2012. The influence of 9-cis-retinoic acid on nuclear and cytoplasmic maturation and gene expression in canine oocytes during in vitro maturation. Theriogenology 77:1198-1205. https://doi.org/10.1016/j.theriogenology.2011.10.027
- Livingston T, Rich K, MacKenzie S, Godkin JD. 2009. Glutathione content and antioxidant enzyme expression of in vivo matured sheep oocytes. Anim. Reprod. Sci. 116:265-273. https://doi.org/10.1016/j.anireprosci.2009.02.004
- Lonergan P and Fair T. 2014. The ART of studying early embryo development: progress and challenges in ruminant embryo culture. Theriogenology 81:49-55. https://doi.org/10.1016/j.theriogenology.2013.09.021
- Lonergan P and Fair T. 2016. Maturation of oocytes in vitro. Annu. Rev. Anim. Biosci. 4:255-268. https://doi.org/10.1146/annurev-animal-022114-110822
- Lonergan P, Vergos E, Kinis A, Sharif H, Gallagher M, Gordon I. 1991. The effect of recovery method on the type of bovine oocyte obtained for in vitro maturation. Theriogenology 35:231. https://doi.org/10.1016/0093-691X(91)90207-T
- Lorenzo PL, Liu IK, Illera JC, Picazo RA, Carneiro GF, Illera MJ, Conley AJ, Enders AC, Illera M. 2001. Influence of epidermal growth factor on mammalian oocyte maturation via tyrosine-kinase pathway. J. Physiol. Biochem. 57:15-22. https://doi.org/10.1007/BF03179809
- Love LB, Choi YH, Love CC, Varner DD, Hinrichs K. 2003. Effect of ovary storage and oocyte transport method on maturation rate of horse oocytes. Theriogenology 59:765-774. https://doi.org/10.1016/S0093-691X(02)01133-0
- Lu KH, Gordon I, Gallagher M, McGovern H. 1987. Pregnancy established in cattle by transfer of embryos derived from in vitro fertilisation of oocytes matured in vitro. Vet. Rec. 121:259-260. https://doi.org/10.1136/vr.121.11.259
- Maalouf WE, Lee JH, Campbell KH. 2009. Effects of caffeine, cumulus cell removal and aging on polyspermy and embryo development on in vitro matured and fertilized ovine oocytes. Theriogenology 71:1083-1092. https://doi.org/10.1016/j.theriogenology.2008.12.001
- Madan ML, Singla SK, Jailkhani S, Ambrose JD. 1991. In vitro fertilization in buffalo and birth of first ever IVF buffalo calf. In: Alexiev A, Vlahov K (Eds.), Third World Buffalo Congress, Bulgaria, Varna, May 1991: Post-Congress Proceedings Volume. Agricultural Academy, Sofia, pp. 11-17.
- Mahmoud KG, El Shahat KH, El Nattat WS. 2003. Chromosome configuration during in vitro maturation of dromedary camel oocytes. Vet. Med. J. 51:411-420.
- Mansour G, Abdelrazik H, Sharma RK, Radwan E, Falcone T, Agarwal A. 2009. L-carnitine supplementation reduces oocyte cytoskeleton damage and embryo apoptosis induced by incubation in peritoneal fluid from patients with endometriosis. Fertil. Steril. 91(5 Suppl):2079-2086. https://doi.org/10.1016/j.fertnstert.2008.02.097
- Marie M and Anouassi A. 1986. Mating-induced luteinizing hormone surge and ovulation in the female camel (Camelus dromedarius). Biol. Reprod. 35:792-798. https://doi.org/10.1095/biolreprod35.4.792
- Marteil G, Richard-Parpaillon L, Kubiak JZ. 2009. Role of oocyte quality in meiotic maturation and embryonic development. Reprod. Biol. 9:203-224. https://doi.org/10.1016/S1642-431X(12)60027-8
- Martino A, Palomo MJ, Mogas T, Paramio MT. 1994. Influence of the collection technique of prepubertal goat oocytes on in vitro maturation and fertilization. Theriogenology 42:859-873. https://doi.org/10.1016/0093-691X(94)90454-Q
- Moawad AR. 2005. In vitro maturation and fertilization of camel oocytes. Thesis, Cairo University.
- Moawad AR, Choi I, Zhu J, Campbell KH. 2011. Ovine oocytes vitrified at germinal vesicle stage as cytoplast recipients for somatic cell nuclear transfer (SCNT). Cell. Reprogram. 13:289-296. https://doi.org/10.1089/cell.2010.0089
- Moawad AR, Choi I, Zhu J, El-Wishy ABA, Amarnath D, Chen W, Campbell KHS. 2018. Caffeine and oocyte vitrification: sheep as an animal model. Int. J. Vet. Sci. Med. 6(Suppl):S41-S48. https://doi.org/10.1016/j.ijvsm.2018.01.004
- Moawad AR, Darwish GM, Badr MR, El-Wishy AB. 2012a. In vitro fertilization of dromedary camel (Camelus dromedarius) oocytes with epididymal spermatozoa. Reprod. Fertil. Dev. 24:192-193.
- Moawad AR, Fisher P, Zhu J, Choi I, Polgar Z, Dinnyes A, Campbell KH. 2012b. In vitro fertilization of ovine oocytes vitrified by solid surface vitrification at germinal vesicle stage. Cryobiology 65:139-144. https://doi.org/10.1016/j.cryobiol.2012.04.008
- Moawad AR, Tan SL, Xu B, Chen HY, Taketo T. 2013. L-carnitine supplementation during vitrification of mouse oocytes at the germinal vesicle stage improves preimplantation development following maturation and fertilization in vitro. Biol. Reprod. 88:104. https://doi.org/10.1095/biolreprod.112.107433
- Moawad AR, Xu B, Tan SL, Taketo T. 2014. l-carnitine supplementation during vitrification of mouse germinal vesicle stage-oocytes and their subsequent in vitro maturation improves meiotic spindle configuration and mitochondrial distribution in metaphase II oocytes. Hum. Reprod. 29:2256-2268. https://doi.org/10.1093/humrep/deu201
- Moodie G and Graham E. 1989. The effect of incubating sheep ovaries for various times and temperatures on oocyte maturation rates in vitro. Biol. Reprod. 40:53.
- Moor RM and Trounson AO. 1977. Hormonal and follicular factors affecting maturation of sheep oocytes in vitro and their subsequent developmental capacity. J. Reprod. Fertil. 49:101-109. https://doi.org/10.1530/jrf.0.0490101
- Morriss-Kay GM and Ward SJ. 1999. Retinoids and mammalian development. Int. Rev. Cytol. 188:73-131. https://doi.org/10.1016/S0074-7696(08)61566-1
- Motlík J, Pavlok A, Lapathitis G, Kubelka M. 2000. Impact of two‐step in vitro culture systems on developmental potency of oocytes. Reprod. Domest. Anim. 35:267-271. https://doi.org/10.1046/j.1439-0531.2000.00273.x
- Musa BE and Abusineina ME. 1978. The oestrous cycle of the camel (Camelus dromedarius). Vet. Rec. 103:556-557. https://doi.org/10.1136/vr.103.25.556
- Nagai T, Bing Y, Rodriguez-Martinez H. 2000. Effect of cysteamine and FSH on in vitro maturation of porcine oocytes. Theriogenology. 53:461.
- Nasiri E, Mahmoudi R, Bahadori MH, Amiri I. 2011. The effect of retinoic acid on in vitro maturation and fertilization rate of mouse germinal vesicle stage oocytes. Cell J. 13:19-24.
- Nili H, Mesbah F, Kafi M, Nasr Esfahani MH. 2004. Light and transmission electron microscopy of immature camelus dromedarius oocyte. Anat. Histol. Embryol. 33:196-199. https://doi.org/10.1111/j.1439-0264.2004.00536.x
- Niwa K, Ohara K, Hosoi Y, Iritani A. 1985. Early events of invitro fertilization of cat eggs by epididymal spermatozoa. J. Reprod. Fertil. 74:657-660. https://doi.org/10.1530/jrf.0.0740657
- Niwa K and Ohgoda O. 1988. Synergistic effect of caffeine and heparin on in-vitro fertilization of cattle oocytes matured in culture. Theriogenology 30:733-741. https://doi.org/10.1016/0093-691X(88)90308-1
- Novoa C. 1970. Reproduction in Camelidae. J. Reprod. Fertil. 22:3-20. https://doi.org/10.1530/jrf.0.0220003
- Nowshari MA. 2005. The effect of harvesting technique on efficiency of oocyte collection and different maturation media on the nuclear maturation of oocytes in camels (Camelus dromedarius). Theriogenology 63:2471-2481. https://doi.org/10.1016/j.theriogenology.2004.09.057
- O’Brien JK, Rhodes SL, Maxwell WMC, Evans G. 1994. Hormonal requirements for in vitro maturation of sheep oocyte. Theriogenology 41:266. https://doi.org/10.1016/S0093-691X(05)80176-1
- Palmer E, Bezard J, Magistrini M, Duchamp G. 1991. In vitro fertilization in the horse. A retrospective study. J. Reprod. Fertil. Suppl. 44:375-384.
- Pandey A, Gupta SC, Gupta N. 2010. Effect of FSH and LH hormones on oocyte maturation of buffalo and gene expression analysis of their receptors and Cx43 in maturing oocytes. Zygote 18:231-234. https://doi.org/10.1017/s096719940999030x
- Paramio MT and Izquierdo D. 2016. Recent advances in in vitro embryo production in small ruminants. Theriogenology 86:152-159. https://doi.org/10.1016/j.theriogenology.2016.04.027
- Parrish JJ. 2014. Bovine in vitro fertilization: in vitro oocyte maturation and sperm capacitation with heparin. Theriogenology 81:67-73. https://doi.org/10.1016/j.theriogenology.2013.08.005
- Parrish JJ, Susko-Parrish JL, Leibfried-Rutledge ML, Critser ES, Eyestone WH, First NL. 1986. Bovine in vitro fertilization with frozen-thawed semen. Theriogenology 25:591-600. https://doi.org/10.1016/0093-691X(86)90143-3
- Pawshe CH, Totey SM, Jain SK. 1994. A comparison of three methods of recovery of goat oocytes for in vitro maturation and feritilization. Theriogenology 42:117-125. https://doi.org/10.1016/0093-691X(94)90668-9
- Pincus G and Enzmann EV. 1935. The comparative behavior of mammalian eggs in vivo and in vitro: i. The activation of ovarian eggs. J. Exp. Med. 62:665-675. https://doi.org/10.1084/jem.62.5.665
- Prochazka R, Petlach M, Nagyova E, Nemcova L. 2011. Effect of epidermal growth factor-like peptides on pig cumulus cell expansion, oocyte maturation, and acquisition of developmental competence in vitro: comparison with gonadotropins. Reproduction 141:425-435. https://doi.org/10.1530/REP-10-0418
- Pu Y, Wang Z, Bian Y, Zhang F, Yang P, Li Y, Zhang Y, Liu Y, Fang F, Cao H, Zhang X. 2014. All-trans retinoic acid improves goat oocyte nuclear maturation and reduces apoptotic cumulus cells during in vitro maturation. Anim. Sci. J. 85:833-839. https://doi.org/10.1111/asj.12216
- Purohit GN, Datt M, Sharma SS. 1999. Efficiency of three methods of oocyte recovery in the dromedary camel (Camelus dromedarius). Indian J. Anim. Sci. 69:88-90.
- Rath D and Niemann H. 1997. In vitro fertilization of porcine oocytes with fresh and frozen-thawed ejaculated or frozenthawed epididymal semen obtained from identical boars. Theriogenology 47:785-793. https://doi.org/10.1016/S0093-691X(97)00034-4
- Ratto M, Gomez C, Berland M, Adams GP. 2007. Effect of ovarian superstimulation on COC collection and maturation in alpacas. Anim. Reprod. Sci. 97:246-256. https://doi.org/10.1016/j.anireprosci.2006.02.002
- Ravindranatha BM, Nandi S, Gupta PSP, Sarma PV. 2001. Comparison of three different media on maturation of buffalo oocytes in vitro. Indian J. Anim. Sci. 71:841-843.
- Ravindranatha BM, Nandi S, Raghu HM, Reddy SM. 2003. In vitro maturation and fertilization of buffalo oocytes: effects of storage of ovaries, IVM temperatures, storage of processed sperm and fertilization media. Reprod. Domest. Anim. 38:21-26. https://doi.org/10.1046/j.1439-0531.2003.00390.x
- Richani D, Ritter LJ, Thompson JG, Gilchrist RB. 2013. Mode of oocyte maturation affects EGF-like peptide function and oocyte competence. Mol. Hum. Reprod. 19:500-509. https://doi.org/10.1093/molehr/gat028
- Rieger D, Luciano AM, Modina S, Pocar P, Lauria A, Gandolfi F. 1998. The effects of epidermal growth factor and insulin-like growth factor I on the metabolic activity, nuclear maturation and subsequent development of cattle oocytes in vitro. J. Reprod. Fertil. 112:123-130. https://doi.org/10.1530/jrf.0.1120123
- Rose TA and Bavister BD. 1992. Effect of oocyte maturation medium on in vitro development of in vitro fertilized bovine embryos. Mol. Reprod. Dev. 31:72-77. https://doi.org/10.1002/mrd.1080310113
- Saadeldin IM, Swelum AA, Elsafadi M, Mahmood A, Yaqoob SH, Alfayez M, Alowaimer AN. 2019. Effects of all-trans retinoic acid on the in vitro maturation of camel (Camelus dromedarius) cumulus-oocyte complexes. J. Reprod. Dev. 65:215-221. https://doi.org/10.1262/jrd.2018-073
- Samper JC, Behnke EJ, Byers AP, Hunter AG, Crabo BG. 1989. In vitro capacitation of stallion spermatozoa in calciumfree Tyrode’s medium and penetration of zona-free hamster eggs. Theriogenology 31:875-884. https://doi.org/10.1016/0093-691X(89)90032-0
- Sansinena MJ, Taylor SA, Taylor PJ, Denniston RS, Godke RA. 2003. Production of nuclear transfer llama (lama glama) embryos from in vitro matured llama oocytes. Cloning Stem Cells 5:191-198. https://doi.org/10.1089/153623003769645857
- Sansinena MJ, Taylor SA, Taylor PJ, Schmidt EE, Denniston RS, Godke RA. 2007. In vitro production of llama (Lama glama) embryos by intracytoplasmic sperm injection: effect of chemical activation treatments and culture conditions. Anim. Reprod. Sci. 99:342-353. https://doi.org/10.1016/j.anireprosci.2006.05.020
-
Schernthaner W, Schmoll F, Brem G, Schellander K. 1997. Storing bovine ovaries for 24 hours between 15 and 21
$^{\circ}C$ does not influence in vitro production of blastocysts. Theriogenology 47:297. https://doi.org/10.1016/S0093-691X(97)82424-7 - Scholkamy TH, El-Badry DA, Mahmoud KG. 2016. Developmental competence of Dromedary camel oocytes fertilized in vitro by frozen-thawed ejaculated and epididymal spermatozoa. Iran. J. Vet. Res. 17:253-258.
- Schroeder AC, Schultz RM, Kopf GS, Taylor FR, Becker RB, Eppig JJ. 1990. Fetuin inhibits zona pellucida hardening and conversion of ZP2 to ZP2f during spontaneous mouse oocyte maturation in vitro in the absence of serum. Biol. Reprod. 43:891-897. https://doi.org/10.1095/biolreprod43.5.891
- Sghiri A and Driancourt MA. 1999. Seasonal effects on fertility and ovarian follicular growth and maturation in camels (Camelus dromedarius). Anim. Reprod. Sci. 55:223-237. https://doi.org/10.1016/S0378-4320(99)00017-2
- Shalash MR. 1965. Some reproductive aspects in the female camel. World Rev. Anim. Prod. 1:103-108.
- Shimada M, Hernandez-Gonzalez I, Gonzalez-Robayna I, Richards JS. 2006. Paracrine and autocrine regulation of epidermal growth factor-like factors in cumulus oocyte complexes and granulosa cells: key roles for prostaglandin synthase 2 and progesterone receptor. Mol. Endocrinol. 20:1352-1365. https://doi.org/10.1210/me.2005-0504
- Shioya Y, Kuwayama M, Ueda S, Saitou S, Oota H, Hanada A. 1988. Effect of the time between slaughter and aspiration of follicles on the developmental capability of bovine oocytes matured and fertilized in vitro. Jpn. J. Anim. Reprod. 34:39-44. https://doi.org/10.1262/jrd1977.34.39
- Skidmore JA. 2011. Reproductive physiology in female Old World Camelids. Anim. Reprod. Sci. 124:148-154. https://doi.org/10.1016/j.anireprosci.2010.08.023
- Skidmore JA and Billah M. 2011. Embryo transfer in the dromedary camel (Camelus dromedarius) using non-ovulated and ovulated, asynchronous progesterone-treated recipients. Reprod. Fertil. Dev. 23:438-443. https://doi.org/10.1071/RD10136
- Skidmore JA, Billah M, Allen WR. 1995. The ovarian follicular wave pattern in the mated and non-mated dromedary camel (Camelus dromedarius). J. Reprod. Fertil. Suppl. 49:545-548.
- Skidmore JA, Billah M, Allen WR. 2002. Investigation of factors affecting pregnancy rate after embryo transfer in the dromedary camel. Reprod. Fertil. Dev. 14:109-116. https://doi.org/10.1071/RD01100
-
Smythe C and Newport JW. Coupling of mitosis to the completion of S phase in Xenopus occurs via modulation of the tyrosine kinase that phosphorylates p34
$^{cdc2}$ . Cell 1992;68:787-797. https://doi.org/10.1016/0092-8674(92)90153-4 -
Solano R, de Armas R, Pupo CA, Castro FO. 1994. Short term preservation of intrafollicular oocytes at 4
$^{\circ}C$ . Theriogenology 41:299. https://doi.org/10.1016/S0093-691X(05)80209-2 - Somfai T, Kaneda M, Akagi S, Watanabe S, Haraguchi S, Mizutani E, Dang-Nguyen TQ, Geshi M, Kikuchi K, Nagai T. 2011. Enhancement of lipid metabolism with L-carnitine during in vitro maturation improves nuclear maturation and cleavage ability of follicular porcine oocytes. Reprod. Fertil. Dev. 23:912-920. https://doi.org/10.1071/RD10339
- Sreenan J. 1970. In vitro maturation and attempted fertilization of cattle follicular oocytes. J. Agric. Sci. 75:393-396. https://doi.org/10.1017/S0021859600025016
-
Steinmann KE, Belinsky GS, Lee D, Schlegel R. 1991. Chemically induced premature mitosis: differential response in rodent and human cells and the relationship to cyclin B synthesis and
$p34^{cdc2}$ /cyclin B complex formation. Proc. Natl. Acad. Sci. U. S. A. 88:6843-6847. https://doi.org/10.1073/pnas.88.15.6843 - Stroud B. 2012. The year 2011 worldwide statistics of embryo transfer in domestic farm animals. IETS Newslet. 50:16-25.
- Sutton ML, Cetica PD, Beconi MT, Kind KL, Gilchrist RB, Thompson JG. 2003. Influence of oocyte-secreted factors and culture duration on the metabolic activity of bovine cumulus cell complexes. Reproduction 126:27-34. https://doi.org/10.1530/reprod/126.1.27
- Takahashi T, Inaba Y, Somfai T, Kaneda M, Geshi M, Nagai T, Manabe N. 2013. Supplementation of culture medium with L-carnitine improves development and cryotolerance of bovine embryos produced in vitro. Reprod. Fertil. Dev. 25:589-599. https://doi.org/10.1071/RD11262
- Tamilmani G, Rao BS, Vagdevi R, Amarnath D, Naik BR, Mutharao M, Rao VH. 2005. Nuclear maturation of ovine oocytes in cultured preantral follicles. Small Rumin. Res. 60:295-305. https://doi.org/10.1016/j.smallrumres.2005.01.010
- Tellado MN, Alvarez GM, Dalvit GC, Cetica PD. 2014. The conditions of ovary storage affect the quality of porcine oocytes. Adv. Reprod. Sci. 2:57-67.
- Thompson JG. 2000. In vitro culture and embryo metabolism of cattle and sheep embryos - a decade of achievement. Anim. Reprod. Sci. 60-61:263-275. https://doi.org/10.1016/S0378-4320(00)00096-8
- Tibary A and Anouassi A. 1997. Theriogenology in camelidae: anatomy, physiology, pathology and artificial breeding. Actes Editions, Rabat.
- Tibary A, Anouassi A, Khatir H. 2005. Update on reproductive biotechnologies in small ruminants and camelids. Theriogenology 64:618-638. https://doi.org/10.1016/j.theriogenology.2005.05.016
- Tibary A, Anouassi A, Sghiri A, Khatir H. 2007. Current knowledge and future challenges in camelid reproduction. Soc. Reprod. Fertil. Suppl. 64:297-313.
- Tibary A, Pearson LK, Campbell A. 2015. Embryo transfer in camelids. Spermova 5:234-252. https://doi.org/10.18548/aspe/0002.44
- Tinson AH, McKinnon AO, Singh K, Kuhad KS, Sambyal R. 2001. Oocyte collection techniques in the dromedary camel. Emir. J. Agric. Sci. 13:39-45. https://doi.org/10.9755/ejfa.v13i1.5228
- Torner H, Heleil B, Alm H, Ghoneim IM, Srsen V, Kanitz W, Tuchscherer A, Fattouh EM. 2003. Changes in cumulusoocyte complexes of pregnant and non-pregnant camels (Camelus dromedarius) during maturation in vitro. Theriogenology 60:977-987. https://doi.org/10.1016/S0093-691X(03)00099-2
- Totey SM, Pawshe CH, Singh GP. 1993. In vitro maturation and fertilization of buffalo oocytes (Bubalus bubalis): effects of media, hormones and sera. Theriogenology 39:1153-1171. https://doi.org/10.1016/0093-691X(93)90014-V
- Totey SM, Singh G, Taneja M, Pawshe CH, Talwar GP. 1992. In vitro maturation, fertilization and development of follicular oocytes from buffalo (Bubalus bubalis ). J. Reprod. Fertil. 95:597-607. https://doi.org/10.1530/jrf.0.0950597
- Trasorras VL, Carretero MI, Neild DM, Chaves MG, Giuliano SM, Miragaya MH. 2017. Production, preservation, and transfer of South American Camelid embryos. Front. Vet. Sci. 4:190. https://doi.org/10.3389/fvets.2017.00190
- Trasorras VL, Chaves MG, Miragaya MH, Pinto M, Rutter B, Flores M, Aguero A. 2009. Effect of eCG superstimulation and buserelin on cumulus-oocyte complexes recovery and maturation in llamas (Lama glama). Reprod. Domest. Anim. 44:359-364.
- Tsafriri A, Cao X, Ashkenazi H, Motola S, Popliker M, Pomerantz SH. 2005. Resumption of oocyte meiosis in mammals: on models, meiosis activating sterols, steroids and EGF-like factors. Mol. Cell. Endocrinol. 234:37-45. https://doi.org/10.1016/j.mce.2004.09.009
- van den Hurk R and Zhao J. 2005. Formation of mammalian oocytes and their growth, differentiation and maturation within ovarian follicles. Theriogenology 63:1717-1751. https://doi.org/10.1016/j.theriogenology.2004.08.005
- Visconti PE, Stewart-Savage J, Blasco A, Battaglia L, Miranda P, Kopf GS, Tezon JG. 1999. Roles of bicarbonate, cAMP, and protein tyrosine phosphorylation on capacitation and the spontaneous acrosome reaction of hamster sperm. Biol. Reprod. 61:76-84. https://doi.org/10.1095/biolreprod61.1.76
- Wani NA. 2009. In vitro embryo production in camel (Camelus dromedarius ) from in vitro matured oocytes fertilized with epididymal spermatozoa stored at 4 degrees C. Anim. Reprod. Sci. 111:69-79. https://doi.org/10.1016/j.anireprosci.2008.02.005
- Wani NA and Nowshari MA. 2005. Kinetics of nuclear maturation and effect of holding ovaries at room temperature on in vitro maturation of camel (Camelus dromedarius ) oocytes. Theriogenology 64:75-85. https://doi.org/10.1016/j.theriogenology.2004.11.009
- Wani NA and Skidmore JA. 2010. Ultrasonographic-guided retrieval of cumulus oocyte complexes after super-stimulation in dromedary camel (Camelus dromedarius). Theriogenology 74:436-442. https://doi.org/10.1016/j.theriogenology.2010.02.026
- Wani N and Wernery U. 2010. In vitro maturation of dromedary (Camelus dromedarius ) oocytes: effect of different protein supplementations and epidermal growth factor. Reprod. Domest. Anim. 45:e189-e193. https://doi.org/10.1111/j.1439-0531.2009.01547.x
- Wani NA, Wernery U, Hassan FA, Wernery R, Skidmore JA. 2010. Production of the first cloned camel by somatic cell nuclear transfer. Biol. Reprod. 82:373-379. https://doi.org/10.1095/biolreprod.109.081083
- Whittingham DG. 1968. Fertilization of mouse eggs in vitro. Nature 220:592-593. https://doi.org/10.1038/220592a0
- Wilson RT. 1984. The Camel. Longman, Harlow, pp. 83-102.
- Wongsrikeao P, Otoi T, Karja NW, Agung B, Nii M, Nagai T. 2005. Effects of ovary storage time and temperature on DNA fragmentation and development of porcine oocytes. J. Reprod. Dev. 51:87-97. https://doi.org/10.1262/jrd.51.87
- Wright RW Jr and Bondioli KR. 1981. Aspects of in vitro fertilization and embryo culture in domestic animals. J. Anim. Sci. 53:702-729. https://doi.org/10.2527/jas1981.533702x
- Xia GL, Kikuchi K, Noguchi J, Izaike Y. 2000. Short time priming of pig cumulus-oocyte complexes with FSH and forskolin in the presence of hypoxanthine stimulates cumulus cells to secrete a meiosis-activating substance. Theriogenology 53:1807-1815. https://doi.org/10.1016/S0093-691X(00)00316-2
- Xu X, Ding J, Seth PC, Harbison DS, Foxcroft GR. 1996. In vitro fertilization of in vitro matured pig oocytes: effects of boar and ejaculate fraction. Theriogenology 45:745-755. https://doi.org/10.1016/0093-691X(96)00004-0
- Yamada T, Imai H, Yamada M. 2006. Beneficial effects of acetyl-L-carnitine treatment during IVM on post-fertilization development of bovine oocytes in vitro. Reprod. Fertil. Dev. 18:280-281. https://doi.org/10.1071/RDv18n2Ab346
- Yanagimachi R, Yanagimachi H, Rogers BJ. 1976. The use of zona-free animal ova as a test-system for the assessment of the fertilizing capacity of human spermatozoa. Biol. Reprod. 15:471-476. https://doi.org/10.1095/biolreprod15.4.471
- Yang NS, Lu KH, Gordon I. 1990. In vitro fertilization (IVF) and culture (IVC) of bovine oocytes from stored ovaries. Theriogenology 33:352. https://doi.org/10.1016/0093-691X(90)90776-P
- Yang X, Jiang S, Foote RH. 1993. Bovine oocyte development following different oocyte maturation and sperm capacitation procedures. Mol. Reprod. Dev. 34:94-100. https://doi.org/10.1002/mrd.1080340115
- Yaqoob SH, Saadeldin IM, Swelum AB, Alowaimer AN. 2017. Optimizing camel (Camelus dromedarius ) oocytes in vitro maturation and early embryo culture after parthenogenetic activation. Small Rumin. Res. 153:81-86. https://doi.org/10.1016/j.smallrumres.2017.05.011
- Yasin SA and Wahid AA. 1957. Pakistan camels. A preliminary survey. Agric. Pak. 8:289-297.
- Yoshida M, Mizoguchi Y, Ishigaki K, Kojima T, Nagai T. 1993. Birth of piglets derived from in vitro fertilization of pig oocytes matured in vitro. Theriogenology 39:1303-1311. https://doi.org/10.1016/0093-691X(93)90232-T
- Younis AI, Brackett BG, Fayrer-Hosken RA. 1989. Influence of serum and hormones on bovine oocyte maturation and fertilization in vitro. Gamete Res. 23:189-201. https://doi.org/10.1002/mrd.1120230206
- Yuge M, Otoi T, Nii M, Murakami M, Karja NW, Rajaei F, Agung B, Wongsrikeao P, Murakami M, Suzuki T. 2003. Effects of cooling ovaries before oocyte aspiration on meiotic competence of porcine oocytes and of exposing in vitro matured oocytes to ambient temperature on in vitro fertilization and development of the oocytes. Cryobiology 47:102-108. https://doi.org/10.1016/j.cryobiol.2003.08.001
- Zeidan AEB, El-Harairy MA, Gabr SA, Tag El-Dien MA, Abd El-Rahman SA, Amer AM. 2011. In vitro maturation of camel oocytes as affected by different media during breeding and non-breeding seasons. J. Am. Sci. 7:460-472.
- Zuelke KA and Brackett BG. 1990. Luteinizing hormoneenhanced in vitro maturation of bovine oocytes with and without protein supplementation. Biol. Reprod. 43:784-787. https://doi.org/10.1095/biolreprod43.5.784