References

1. Ireland, J.J.; Mihm, M.; Austin, E.; Diskin, M.G.; Roche, J.F. Historical perspective of turnover of dominant follicles during the bovine estrous cycle: Key concepts, studies, ad vancements, and terms. J. Dairy Sci. 2000, 83 (7), 1648 1658.

2. Thompson, K.E.; Stevenson, J.S.; Lamb, G.C.; Grieger, D.M.; Loest, C.A. Follicular, hormonal, and pregnancy responses of early postpartum suckled beef cows to GnRH, norgestomet, and prostaglandin F2 a. J. Anim. Sci. 1999, 77 (7), 1823 1832.

3. Stevenson, J.S.; Lamb, G.C.; Johnson, S.K.; Medina Britos, M.A.; Grieger, D.M.; Harmoney, K.R.; Cartmill, J.A.; El Zarkouny, S.Z.; Dahlen, C.R.; Marple, T.J. Supplemental norgestomet, progesterone, or melengestrol acetate in creases pregnancy rates in suckled beef cows after timed in seminations. J. Anim. Sci. 2003, 81 (3), 571 586.

4. Stevenson, J.S. Reproductive management of dairy cows in high milk producing herds. J. Dairy Sci. 2001, 84 (E. Suppl.), E128 E143.

5. Driancourt, M.A. Regulation of ovarian follicular dynamics in farm animals. Implications for manipulation of repro duction. Theriogenology 2001, 55 (6), 1211 1239.

0 0

Post a comment