Investigations into the course of progesterone-, oestrogen- and eCG-concentrations during normal and impaired pregnancy in the mare

Reproduction in Domestic Animals

Volumn 31, Issue 3, 1996, Pages 717-723

  Hoffmann, B ^a   Gentz, F ^a   Failing, K ^a  

^a JUSTUS LIEBIG UNIVERSITY   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000606534     PISSN: 09366768     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1439-0531.1996.tb01444.x     Document Type: Article

References (36)

1. Allen WR, 1969: Factors influencing pregnant mare serum gonadotropin production. Nature 223, 64-66.
2. Allen WR, Stewart F, 1993: Equine Chorionic Gonadotropin. In: McKinnon AO, Voss JL (eds), Equine Reproduction. Lea and Febiger, Philadelphia, London. pp 81-96.
3. Allen WR, Hamilton DW, Moor RM, 1973: The origin of the equine endometrial cups; II. Invasion of the endometrium by trophoblast. Anat Rec 177, 485-501.
4. Daels PF, De Moraes JJ, Stabenfeldt GH, Hughes JP, Lasley BL, 1991: The corpus luteum: source of oestrogen during early pregnancy in the mare. J Reprod Fert 44(suppl), 501-508.
5. Darenius K, Kindahl H, Knudsen O, Madej A, Edqvist LE, 1982: PMSG, progesterone and oestrone sulphate during normal pregnancy and early fetal death. J Reprod Fert 32(suppl), 625-626.
6. Dixon WJ, 1987: BMDP Statistical Software Manual. University of California Press, Berkeley. pp 359-387.
7. Evans KL, Kasman LH, Hughes JP, Couto M, Lasley BL, 1983: Pregnancy diagnosis in the domestic horse through direct urinary estrone conjugate analysis. Theriogenology 22, 615-620.
8. Flint APF, Ricketts AP, Craig VA, 1979: The control of placental steroid synthesis at parturition in domestic animals. Anim Reprod Sci 2, 239-251.
9. Ginther OJ, 1992: Reproductive Biology of the Mare; Basic and Applied Aspects, 2nd Ed. Equiservices, Cross Plains, WI. pp 321-358.
10. Hoffmann B, Wagner WC, Gimenez T, 1976: Free and conjugated steroids in maternal and fetal plasma in the cow near term. Biol Reprod 15, 126-133.
11. Hoffmann B, Höveler R, Hasan SH, Failing K, 1992: Ovarian and pituitary function in dogs after hysterectomy. J Reprod Fert 96, 837-845.
12. Hoffmann B, Höveler R, Nohr B and Hasan SH, 1994: Investigations on hormonal changes around parturition in the dog and the occurrence of pregnancy-specific non conjugated oestrogens. Exp Clin Endocrinol 102, 185-189.
13. Holtan DW, Nett TM, Estergreen VL, 1975: Plasma progestins in pregnant, postpartum and cycling mares. J Anim Sci 40, 251-260.
14. Holtan DW, Squires EL, Lapin DR, Ginther OJ, 1979: Effect of ovariectomy on pregnancy in mares. J Reprod Fert 27(suppl), 457-463.
15. Hyland JH, Wright PJ, Manning SJ, 1984: An investigation of the use of plasma oestrone sulphate concentrations for the diagnosis of pregnancy in mares. Australian Vet J 61, 123-124.
16. Irvine CHG, Evans J, 1979: Recent advances in reproductive endocrinol of the mare. New Zealand Vet J 27, 176-180.
17. Kindahl H, Knudsen O, Madej A, Edqvist LE, 1982: Progesterone, prostaglandin F-2α, PMSG and oestrone sulphate during early pregnancy in the mare. J Reprod Fert 32(suppl), 353-359.
18. Kydd HJ, Butcher GW, Antczak DF, Allen WR, 1991: Expression of Major Histocompatibility Complex (MHC) class 1 molecules on early trophoblast. J Reprod Fert, 44(suppl), 463-477.
19. Menzer C, Schams D, 1979: Radioimmunoassay for PMSG and its application to in vivo studies. J Reprod Fert 55, 339-345.
20. Nett TM, Holtan DW, Estergree VL, 1973: Plasma estrogens in pregnant and postpartum mares. J Anim Sci 37, 962-970.
21. Nett TM, Holtan DW, Estergreen VL, 1975: Oestrogen, LH, PMSG and Prolactin in serum of pregnant mares. J Reprod Fert, 23(suppl), 457-462.
22. Pashen RL, Allen WR, 1979: Endocrine changes after foetal gonadectomy and during normal and induced parturition in the mare. Animal Reprod Sci 2, 271-288.
23. Pashen RL, Sheldrick EL, Allen WR, Flint APF, 1982: Dehydroepiandrosterone synthesis by the fetal foal and its importance as an oestrogen precursor. J Reprod Fert 32(suppl), 389-397.
24. Raeside JI, Liptrap RM, 1975: Patterns of urinary oestrogen excretion in individual pregnant mares. J Reprod Fert 23(suppl), 469-475.
25. Richert-Hanauer U, Failing K, Hoffmann B, Moellmann U, 1988: Untersuchungen zum Verlauf der Cortisolwerte im Blut beim Schaf während des Zyklus und der Trächtigkeit. Dt Tierärztl Wschr 95, 374-376.
26. Rossdale PD, Ousey JC, Cottrill CM, Chavatte P, Allen WR, McGladdery AJ, 1991: Effects of placental pathology on maternal plasma progestagen and mammary secretion calcium concentrations and on neonatal adrenocortical function in the horse. J Reprod Fert 44(suppl), 579-590.
27. Sachs L, 1984: Angewandte Statistik, Anwendung statistischer Methoden. Springer-Verlag, Berlin, Heidelberg, New York, Tokyo. pp 84-89.
28. Savard K, 1961: The estrogens of the pregnant mare. Endocrinol 68, 411-416.
29. Schuler G, Hartung F, Hoffmann B, 1994: Investigations on the use of C-21-steroids as precursors for placental oestrogen synthesis in the cow. Exp Clin Endocrinol 102, 169-174.
30. Seren E, Tamanini C, Gaiani R, Bono G, 1981: Concentrations of progesterone, 17α-hydroxyprogesterone and 20α-dihydroprogesterone in the plasma of mares during pregnancy and at parturition. J Reprod Fert 63, 443-448.
31. Silver M, 1994: Placental progestagens in the sheep and horse and the changes leading to parturition. Exp Clin Endocrinol 102, 203-211.
32. Squires EL, Ginther OJ, 1975: Follicular and luteal development in pregnant mares. J Reprod Fert 23, 429-433.
33. Squires EL, Wentworth BC, Ginther OJ, 1974: Progesterone concentration in blood of mares during the estrous cycle, pregnancy and after hysterectomy. J Anim Sci 39, 759-767.
34. Tait AD, Santikarn S, Allen WR, 1983: Identification of 3β-hydroxy-5,7-pregnadien-20-one and 3β-hydroxy-5,7-androstadien-17-one as endogenous steroids in the fetal horse gonad. J Endocrinol 99, 87-92.
35. Terqui M, Palmer E, 1979: Oestrogen pattern during early pregnancy in the mare. J Reprod Fert 27(suppl), 441-446.
36. Urwin VE, Allen WR, 1982: Pituitary and chorionic gonadotrophic control of ovarian function during early pregnancy in equide. J Reprod Fert 32, 371-381.