References
-
Abeyawardene SA and Pope GS. 1990. Concentrations of oestradiol-17
${\beta}$ in plasma and milk and progesterone in plasma during the oesterous cycle and in early pregnancy in goats. Br. Vet. J., 146:101-105 https://doi.org/10.1016/0007-1935(90)90001-J - Billings HJ and Katz LS 1999. Facilitation of sexual behavior in french-alpine goats treated with intravaginal progesterone-releasing devices and estradiol during the breeding and nanbreeding seasons. J. Anim. Sci., 77:2073-2078 https://doi.org/10.2527/1999.7782073x
- Bon Durant RH, Darien BJ, Munro CJ, Stabenfeldt GH and Wang P. 1981. Photoperiod induction of Fertile oestrus and changes in LH and progesterone concentrations in yearling dairy goats (Capra hircus). J. Reprod. Fertil., 63:1-9 https://doi.org/10.1530/jrf.0.0630001
- Chemineau P, Malpaux B, Pelletier J, Leboeuf B, Delgadillo JA, Deletang F, Pobel T and Brice G. 1996. Emploi des implants de melatonine et des traitements photoperiodiques pour maitriser la reproduction saisonniere chez les ovins et les caprins. INRA. Prod. Anim., 9:45-60
- Dunn P. 1982. The goatkeeper's Veterinary Book. Farming press LTD. pp. 134-140
- Freitas VJF, Baril G and Saumande J. 1997. Estrus synchronization in dairy goats: use of fluorogestone acetate vaginal sponges or norgestomet ear implants. Animal. Reprod. Sci., 46:237-244 https://doi.org/10.1016/S0378-4320(96)01614-4
- Greyling JPC and Vander Nest M. 2000. Synchronization of oestrus in goats: dose effect of progestagen. Small. Ruminant. Res., 36:201-207 https://doi.org/10.1016/S0921-4488(99)00165-0
- Jarose SJ, Deans RJ and Dukulow WR. 1971. The reproductive cycle of the African Pygma and Toggenburg goat. J. Reprod. Fertil., 24:119-123 https://doi.org/10.1530/jrf.0.0240119
-
Kusina NT, Tarwirei F, Hamudikuwanda H, Agumba G and Mukwena J. 2000. A comparison of the effects of progesterone sponges and ear implants,
$PGF_2{\alpha}$ , and their combination on efficacy of estrus synchronization and fertility of mashona goat does. Theriogenology, 53:1567-1580 https://doi.org/10.1016/S0093-691X(00)00298-3 - Ritar AJ, Ball PD and O'may PJ. 1990. Artificial insemination of Cashmere goats: effects on fertility and fecundity of intravaginal treatment, method and time of insemination, semen freezing process, number of motile spermatozoa and age of females. Reprod. Fertil. Dev., 2:377-384 https://doi.org/10.1071/RD9900377
- Ritar AJ, Robertson JA and Evans G. 1994. Ovulatory activity, hormonal induction of ovulation and fertility of young cashmere and angora female goats in a temperate environment. Reprod. Fertil. Dev., 6:737-747 https://doi.org/10.1071/RD9940737
- Romano JE, Grabo BG and Christians CJ. 2000. Effect of sterile service on estrus duration, fertility and prolificacy in artificially inseminated dairy goats. Theriogenology, 53:1345-1353 https://doi.org/10.1016/S0093-691X(00)00277-6
- Shelton M. 1960. Influence of the presence of a male goat on the initiation of estrus cycling and ovulation of Angora does. J. Anim. Sci., 19: 368-375 https://doi.org/10.2527/jas1960.192368x
- 나진수, 임계택, 손창호. 1994. 한국재래산양의 발정유기 및 임신기간중 혈장 progesterone 수준 변화. 한국축산학회지, 36:374-378
- 나진수. 1987. 재래산양에서 월별 발정발현상황의 조사 및 발정의 유기. 한국축산학회지, 29:288-294
- 송또준, 박충생, 최상용. 1984a. 재래산양의 발정주기 및 발정 지속시간에 관한 연구. 한국축산학회지, 26:523-529
-
송또준, 박충생, 최상용. 1984b. 재래산양의 발정주기중 혈중 Progesterone 및 Estradiol-17
${\beta}$ 의 수준의 변화. 한국축산학회지, 26:534-540 -
정영호, 정영채, 김창근. 1984. 한국재래산양의 번식과정에 따른 혈청내 progesterone과 estradiol-17
${\beta}$ 의 수준 변화에 관한 연구. 한국가축번식학회지, 8:100-109