Origin of the preovulatory follicle after induced luteolysis during the early luteal phase in ewes

Canadian Journal of Animal Science

Volumn 78, Issue 3, 1998, Pages 429-431

  Viñoles, Carolina ^a   Rubianes, Edgardo ^a  

^a Faculty of Veterinary   (Uruguay)

Author keywords

Ewes; Luteolysis; Ovarian follicular waves; PGF2 ; Ultrasonography

Indexed keywords

OVIS;

EID: 0041175638     PISSN: 00083984     EISSN: None     Source Type: Journal    
DOI: 10.4141/A98-015     Document Type: Article

References (8)

1. 2α given at different stages of the oestrous cycle. J. Reprod. Fertil. 58: 219-223.
2. Ginther, O. J., Kot, K. and Wiltbank, M. C. 1995. Associations between emergence of follicular waves and fluctuations in FSH concentrations during the estrous cycle in ewes. Theriogenology 43: 89-703.
3. Kastelic, J. P. and Ginther, O. J. 1991. Factors affecting the origin of the ovulatory follicle in heifers with induced luteolysis. Anim. Reprod. Sci. 26: 13-24.
4. Noel, B., Bister, J. L. and Paquay, R. 1993. Ovarian follicular dynamics in Suffolk ewes at different periods of the year. J. Reprod. Fertil. 99: 695-700.
5. Rubianes, E. and Ungerfeld, R. 1993. Uterine involution and ovarian changes during early postpartum in autumn-lambing Corriedale ewes. Theriogenology 40: 365-372.
6. Rubianes, E., de Castro, T. and Carbajal, B. 1996. Effect of high progesterone levels during the growing phase of the dominant follicle of wave 1 in ultrasonically monitored ewes. Can. J. Anim. Sci. 76: 473-475.
7. Rubianes, E., Beard, A., Dierschke, D. J., Bartlewski, P., Adams G. P. and Rawlings, N. C. 1997. Endocrine and ultrasound evaluation of the response to induced ovulation at different stages of the luteal phase in cycling ewes. Theriogenology 48: 1093-1104.
8. Souza, C. J. H., Campbell, B. K. and Baird, D. T. 1996. Follicular dynamics and ovarian steroid secretion in sheep during anoestrus. J. Reprod. Fertil. 108: 101-106.