Effect of gestation on GnRH-induced LH and FSH release in buffalo (Bubalus bubalis)

Theriogenology

Volumn 46, Issue 6, 1996, Pages 993-998

  Palta, P ^a   Madan, M L ^a  

^a NATIONAL DAIRY RESEARCH INSTITUTE   (India)

Author keywords

Buffalo; FSH; Gestation; GnRH; LH

Indexed keywords

FOLLITROPIN; GONADORELIN; LUTEINIZING HORMONE;

ANIMAL EXPERIMENT; ANIMAL MODEL; ARTICLE; BUFFALO; CONTROLLED STUDY; FEMALE; FOLLITROPIN BLOOD LEVEL; FOLLITROPIN RELEASE; HYPOPHYSIS; LUTEINIZING HORMONE BLOOD LEVEL; LUTEINIZING HORMONE RELEASE; NONHUMAN; PREGNANCY; RADIOIMMUNOASSAY;

ANIMALIA; BUBALUS; BUBALUS BUBALIS;

EID: 0030587684     PISSN: 0093691X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0093-691X(96)00263-4     Document Type: Article

References (19)

1. 1. Aboul Ela MB, El Keraby FE, Chesworth JM. Seasonal variation in the LH release in response to GnRH in the buffalo. Anim Reprod Sci 1983/84;6:229-232.
2. 2. Batra SK, Pandey RS. LH and oestradiol-17B in blood plasma and milk during the oestrous cycle and early pregnancy in Murrah buffaloes. Anim Reprod Sci 1983;5:247-257.
3. 3. Chamley WA, Jonas HA, Parr RA. Contents of LH, FSH and growth hormone in the pituitaries of pregnant and anestrous sheep. Endocrinology 1976;98:1535-40.
4. 4. Crowder ME, Gilles PA, Tamanini C, Moss GE, Nett TM. Pituitary content of gonadotropins and GnRH receptors in pregnant, postpartum and steroid treated ovx ewes. J Anim Sci 1982;54:1235-1242.
5. 5. El Fouly MA, Kotby EA, El Sobhy HE. Postpartum ovarian activity in suckled and milked buffaloes. Theriogenology 1976;5:69-81.
6. 6. Jenkin G, Heap RB, Symons DBA. Pituitary responsiveness to synthetic LHRH and pituitary LH content at various reproductive stages in the sheep. J Reprod Fertil 1977;49:207-214.
7. 7. Kaltenbach CC, Dunn TG, Riser KE, Corah LR, Akbar AM, Niswender GD. Release of FSH and LH in beef heifers by synthetic GnRH. J Anim Sci 1974;38:357-362.
8. 8. Labhsetwar AP, Collins WE, Tyler WJ, Casida LE. Some pituitary ovarian relationships in the periparturient cow. J Reprod Fertil 1964;8:85-90.
9. 9. Moss GE, Adams TE, Niswender GD, Nett TM. Effects of parturition and suckling on concentrations of pituitary gonadotropins, hypothalamic GnRH and pituitary responsiveness to GnRH in ewes. J Anim Sci 1980;50:496-502.
10. 10. Nett TM. Function of the hypothalamic hypophysial axis duing the postpartum period in ewes and cows. J Reprod Fertil 1987;34(Suppl):201-213.
11. 11. Palta P, Madan ML. Alterations in hypophysial gonadotropic and gonadal steroid hormones as influenced by GnRH during estrous cycle in buffaloes. In 11th Intl Cong Anim Reprod Artif Insem 1988; 1:59.
12. 12. Palta P, Madan ML. Alterations in hypophysial responsiveness to synthetic GnRH at different postpartum intervals in Murrah buffalo (Bubalus bubalis). Theriogenology 1995;44:403-411.
13. 13. Razdan MN, Galhotra MM, Kaker ML. Circulating follicle stimulating hormone levels during puberty, pregnancy and lactation in Murrah buffaloes. Ind J Anim Sci 1985;55:148-149.
14. 14. Roche JF, Crowe MA, Boland MP. Postpartum anestrus in dairy and beef cows. Anim Reprod Sci 1992;21:371-378.
15. 15. Schoenemann HM, Brown JL, Reeves JJ. LHRH receptors, LH and FSH concentrations in anterior pituitaries of cycling, non-cycling and early pregnant heifers. J Anim Sci 1985;60:532-536.
16. 16. Singh N, Chauhan FS, Singh M. Postpartum ovarian activity and fertility in buffaloes. Ind J Dairy Sci 1979;32:134-139.
17. 17. Smith CA, Almond GW. Effects of season and stage of gestation on luteinizing hormone release in gilts. Can J Vet Res 1991;55:294-297.
18. 18. Snedecor GW, Cochran WG. Statistical Methods. Oxford and IBH Press, 1967.
19. 19. Wise MF, Sawyer HR Jr, Nett TM. Functional changes in luteinizing hormone secreting cells from pre-and post partum ewes. Am J Physiol 1986;250:F282-F287.