References
- Abdo, G. A., O. M. Njuguna, G. Fredriksson and A. Madej. 1991. Levels of oestrone sulphate during pregnancy in different breeds of cows and its possible association with retained foetal membranes. Acta Vet. Scand. 32:183-188.
- Abraham, G. E. 1975. Reliability criteria for steroid radioimmunoassay. In: Radioimmunoassay of Steroid Hormone (Ed. D. Gupta)2nd Ed. Verlay Chemie. Germany. pp. 73-79.
- Albin, R. C. and D. C. Clanton. 1966. Factors contributing to the variation in urinary creatinine and creatinine-nitrogen ratios in beef cattle. J. Anim. Sci. 25:107-112. https://doi.org/10.2527/jas1966.251107x
- Clarke, I. J. and B. W. Doughton. 1983. Effect of various anaesthetics on resting plasma concentrations of luteinizing hormone, follicle-stimulating hormone and prolactin in ovariectomized ewes. J. Endocrinol. 98:79-89. https://doi.org/10.1677/joe.0.0980079
- Challis, J. R. G. 1971. Sharp increase in free circulating oestrogens immediately before parturition in sheep. Nature (London) 29:208.
- Carnegie, J. A. and H. A. Robertson. 1978. Conjugated and unconjugated estrogens in fetal and maternal fluids of the pregnant ewe: A possible role for estrone sulfate during early pregnancy. Biol. Reprod. 19:202-211. https://doi.org/10.1095/biolreprod19.1.202
-
Dobson, H. and P. D. G. Dean. 1974. Radioimmunoassay of oestrone, oestradiol-17
$\alpha$ and -17$\beta$ in bovine plasma during the estrous cycle and last stages of pregnancy. J. Endocrinol. 61: 479-486. https://doi.org/10.1677/joe.0.0610479 - Edqvist, L. E., L. Ekman, B. Gustafsson and E. D. B. Johansson. 1973. Peripheral plasma levels of estrogens and progesterone during late bovine pregnancy. Acta Endocrinol. 72:81-88.
-
Fairclough, R. J., J. J. Hunter, A. J. Peterson and R. A. S. Welch. 1981. Plasma concentrations of progesterone, oestrogens and prostaglandin F2
$\alpha$ in maternal blood and corticosteroids and oestrogens in fetal blood of cows during dexamethasone–induced deliverier. Acta Endocrinol. 96:406-412. - Gaiani, R., M. Mattioli, G. Galeati and F. Chiesa. 1982. The relationship between oestrone and oestrone sulphate in the plasma and milk of the cow during pregnancy. Arch. Vet. Ital. 33:86-91.
- Goodrowe, K. L., B. Smak, N. Presley and S. L. Monfort. 1996. Reproductive, behavioral, and endocrine characteristics of the Dall's sheep (Ovis dalli dalli). Zoo Biol. 15:45-54. https://doi.org/10.1002/(SICI)1098-2361(1996)15:1<45::AID-ZOO5>3.0.CO;2-C
- Hatzidakis, G., K. Katrakili and E. Krambovitis. 1993. Development of a direct and specific enzymeimmunoassay for the measurement of oestrone sulfate in bovine milk. J. Reprod. Fertil. 98:235-240. https://doi.org/10.1530/jrf.0.0980235
- Heap, R. B. and M. Hamon. 1979. Oestrone sulfate in milk as an indicator of a viable conceptus in cows. Br. Vet. J. 135:355-363. https://doi.org/10.1016/S0007-1935(17)32838-5
- Holdsworth, R. J., R. B. Heap, J. M. Booth and M. Hamon. 1982. A rapid direct radioimmunoassay for the measurement of estrone sulfate in the milk of dairy cows and its use in pregnancy diagnosis. J. Endocrinol. 95:7-12. https://doi.org/10.1677/joe.0.0950007
- Hoffmann, B., T. G. de Pinho and G. Schuler. 1997. Determination of free and conjugated oestrogens in peripheral blood plasma, feces and urine of cattle throughout pregnancy. Exp. Clin. Endocrinol. Diabet. 105:296-303. https://doi.org/10.1055/s-0029-1211768
- Hogen, G. D., R. E. Erb and E. D. Plotka. 1967. Estimating creatinine excretion in sheep. J. Anim. Sci. 26:286-289.
- Howard, J. G. and D. E. Wildt. 1982. Gonadotropin regimen for inducing ovarian activity in captive wild felids. J. Am. Vet. Med. Asso. 181:1246-1250.
- Jainudeen, M. R. and E. S. E. Hafez. 1993. Pregnancy diagnosis. In: Reproduction in Farm Animals (Ed. E. S. E. Hafez). 6th Ed. Lea & Febiger. Philadelphia. pp.446-459.
- Johnson, L. M..and V. L. Gay. 1981. Luteinizing hormone in the cat. I. Tonic secretion. Endocrinology. 109:240-246. https://doi.org/10.1210/endo-109-1-240
- Kasman, L. H., E. C. Ramsay and B. L. Lasley. 1986. Urinary steroid evaluations to monitor ovarian function in exotic ungulates. III. Estrone sulfate and pregnanediol-3-glucuronide excretion in the Indian rhinoceros. Zoo Biol. 5:355-361. https://doi.org/10.1002/zoo.1430050406
- Kindahl, H., O. Knudsen, A. Madej and L. E. Edqvist. 1982. Progesterone, prostaglandin F-2 alpha, PMSG and oestrone sulphate during early pregnancy in the mare. J. Reprod. Fert. (Suppl.) 32:353-359.
- Klopper, A. 1969. In: Foetus and Placenta (Ed. A. Klopper and E. Diczfalusy) p. 471. Oxford Blackwells.
- Lasley, B. L., and J. F. Kirpatrick. 1991. Monitoring ovarian function in captive and free-ranging wildlife by means of urinary and fecal steroids. J. Zoo and Wildl. Med. 22:23-31.
- Lin, J. H., S. Y. Hwang, Y. Lin-Chen, H. L. Wang, L. S. Wu, T. T. Hsu, S. C. Chang and L. T. Ho. 1988. Early pregnancy diagnosis in sows by progesterone assay with blood paper method. Br. Vet. J. 144:64-71. https://doi.org/10.1016/0007-1935(88)90153-4
- Mohamed, A. R., D. E. Noakes, J. M. Broth and V. Chaplin. 1987. Plasma estrone sulfate and progesterone concentration in cows and ews associated with fetal death and abortion. Br. Vet. J. 143:238-242. https://doi.org/10.1016/0007-1935(87)90086-8
- Monfort, S. L., C. Wemmer, T. H. Kepler, M. Bush, J. L. Brown and D. E. Wildt. 1990. Monitoring ovarian function and pregnancy in Eld's deer (Cervus eldi thamin) by evaluating rinary steroid metabolite excretion. J. Reprod. Fertil. 88:271-281. https://doi.org/10.1530/jrf.0.0880271
- Monfort, S. L., C. Martinet and D. E. Wildt. 1991. Urinary steroid metabolite profiles in female pere David's deer (Elaphurus davidianus). J. Zoo Anim. Med. 22:78-85.
- Robertson, H. A. and G. J. King. 1979. Conjugated and uncojugated oestrogens in fetal and maternal fluids of the cow throughout pregnancy. J. Reprod. Fertil. 55:463-470. https://doi.org/10.1530/jrf.0.0550463
- Schwarzenberger, F., E. Mostl, R. Palme and E. Bamberg. 1996. Faecal steroid analysis for non-invasive monitoring of reproductive status in farm, wild and zoo animals. Anim. Reprod. Sci. 42:515-526. https://doi.org/10.1016/0378-4320(96)01561-8
- Shah, S. N. H., W. Koops, H. A. Samad and D. F. M. van de Wiel. 1988. Formation of hydridoma clones in soft agarose: effect of pH and medium. Somat. Cell Genet. 6:435-441.
- Steel, R. G. D. and J. H. Torrie. 1981. Principles and Procedures of Statistics. 2nd edn. McGraw-Hill Book Company. New York. pp. 278-281.
- Tsang, C. P. W. 1978. Plasma levels of estrone sulfate, free estrogens and progesterone in the pregnant ewe throughout gestation. Theriogenology 10:97-110. https://doi.org/10.1016/0093-691X(78)90084-5
- Tzeng, C. M. and J. H. Lin. 2000. Evaluation of pregnancy diagnosis and litter size at birth by plasma estrone sulfate measurement in pig herd. J. Chin. Anim. Sci. 29(2):157-164.
- Wilson, M. A. and L. E. M. Miles, 1978. Radioimmunoassay of insulin. In: Handbook of Radioimmunoassay (Ed. G. E. Abraham). Marcel Dekker. New York. pp. 275-297.
- Wu, L. S., I. C. Guo and J. H. Lin. 1997. Pregnancy diagnosis in sow by using an on-farm blood progesterone test. Asian-Aust. J. Anim. Sci. 10:603-608. https://doi.org/10.5713/ajas.1997.603
- Yeh, B. H. 1973. Practical Clinic Examination. Dah Shyuer Pub. Taipei.
- Zhang, W. C., T. Nakao, M. Moriyoshi, K. Nakada, T. Ohtaki, A.Y. Ribadu and Y. Tanaka. 1999. The relationship between plasma oestrone sulphate concentrations in pregnant dairy cattle and calf birth weight, calf viability, placental weight and placental expulsion. Anim. Reprod. Sci. 54:169-178. https://doi.org/10.1016/S0378-4320(98)00154-7
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