Journal of Animal and Veterinary Advances

Year: 2009
Volume: 8
Issue: 4
Page No. 660 - 663

Effect of Different Method GnRH-PGF2 Treatment on Induced of Estrus and Pregnancy in Breeding Season in Awassi Ewes

Authors : A.K. Zonturlu , F. Aral and U. Yavuzer

References

Bartlewski, P.M., A.P. Beard and N.C. Rawlings, 2000. An ultrasound-aided study of temporal relationships between the patterns of LH/FSH secretion, development of ovulatory-sized antral follicles and formation of corpora lutea in ewes. Theriogenology, 54: 229-245.
CrossRef  |  

Bartlewski, P.M., A.P. Beard, S.J. Cook, R.K. Chandolia, A. Honaramooz and N.C. Rawlings, 1999. Ovarian antral follicular dynamics and their relationships with endocrine variables throughout the oestrous cycle in breeds of sheep differing in prolificacy. J. Reprod. Fertil., 15: 111-1124.
PubMed  |  

Beck, N.F.G., M. Jones, B. Davies, A.R. Peters and S.P. Williams, 1996. Estrus synchronization in ewes: The effect of combining a prostaglandin analogue with a GnRH agonist (buserelin). Anim. Sci., 62: 85-87.

Boland, M.P., I. Gordon and D.C. Kelleher, 1978. The effect of treatment by prostaglandin analogue (ICI 80996) or progestagen (SC-9880) on ovulation and fertilization in cyclic ewes. J. Agric. Sci., 91: 727-730.

Duggavathi, R., P.M. Bartlewski, D.M.W. Barrett and N.C. Rawlings, 2003. Use of high-resolution transrectal ultrasonography to assess changes in numbers of small ovarian antral follicles and their relationships to the emergence of follicular waves in cyclic ewes. Theriogenology, 60: 495-510.
PubMed  |  

Evans, A.C.O., P. Duffy, K.M. Quinn, P.G. Knight and M.P. Boland, 2001. Follicular waves are associated with transient fluctuations in FSH but not estradiol or inhibin A in anoestrus ewes. Anim. Sci., 72: 547-554.

Evans, G. and W.M.S. Maxwell, 1989. Salamons Artificial Insemination of Sheep and Goats. Sydney University Press, Sydney, NSW, Australia. ISBN: 0409491772.

Gordon, I.R., 1997. Artificial Control of Oestrus and Ovulation. In: Controlled Reproduction in Farm Animals Series: Controlled Reproduction in Sheep and Goats, Gordon, I.R. (Ed.). CAB Int., New York, pp: 87-89.

Menchaca, A., V. Miller, J. Gil, A. Pinczak, M. Laca and E. Rubianes, 2004. Prostaglandin F2α treatment associated with timed artificial insemination in Ewes. Reprod. Domestic Anim., 39: 352-355.
PubMed  |  

SAS, 1989. SAS Users Guide: Statistics. SAS Institute Inc., New York.

Vinoles, C., M. Forsberg, G. Banchero and E. Rubianes, 2001. Effect of long-term and short-term progestagen treatment on follicular development and pregnancy rate in cyclic ewes. Theriogenology, 55: 993-1004.
CrossRef  |  Direct Link  |  

Webb, R., G. Baxter, D. McBride, M. Ritchie and A.J. Sproinbett, 1992. Mechanisms controlling ovulation rate in ewes in relation to seasonal anestrus. J. Reprod. Fert., 94: 143-151.
PubMed  |  

Wolfenson, D., W.W. Thatcher, J.D. Savio, L. Badinga and M.C. Lucy, 1994. The effect of a GnRH analogue on the dynamics of follicular development and synchronization of estrus in lactating cyclic dairy cows. Theriogenology, 42: 633-644.
PubMed  |  

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