Synchronization of estrus in suckled beef cows for detected estrus and artificial insemination and timed artificial insemination using gonadotropin-releasing hormone, prostaglandin F2α, and progesterone

Journal of Animal Science

Volumn 84, Issue 2, 2006, Pages 332-342

  Larson, J E ^a   Lamb, G C ^a   Stevenson, J S ^b   Johnson, S K ^b   Day, M L ^c   Geary, T W ^d   Kesler, D J ^e   DeJarnette, J M ^f   Schrick, F N ^g   DiCostanzo, A ^a   Arseneau, J D ^h  

^a UNIVERSITY OF MINNESOTA   (United States)

^b KANSAS STATE UNIVERSITY   (United States)

^c OHIO STATE UNIVERSITY   (United States)

^d USDA ARS Fort Keogh Livestock and Range Research Laboratory   (United States)

^e UNIVERSITY OF ILLINOIS AT URBANA CHAMPAIGN   (United States)

^f Select Sires Inc   (United States)

^g UNIVERSITY OF TENNESSEE   (United States)

^h Purdue University ^*  (United States)

Author keywords

Beef cow; Synchronization; Timed artificial insemination

Indexed keywords

EID: 33745860049     PISSN: 00218812     EISSN: None     Source Type: Journal    
DOI: 10.2527/2006.842332x     Document Type: Article

References (24)

1. Azzam, S. M., and M. K. Nielsen. 1987. Genetic parameters for gestation length, birth date and first breeding date in beef cattle. J. Anim. Sci. 64:348-356.
2. Bader, J. F., F. N. Kojima, D. J. Schafer, J. E. Stegner, M. R. Ellersieck, M. F. Smith, and D. J. Patterson. 2005. A comparison of progestin-based protocols to synchronize ovulation and facilitate fixed-time artificial insemination in postpartum beef cows. J. Anim. Sci. 83:136-143.
3. Ballinger, H. J. 1970. The effect of inseminations carried out early or late in oestrus on the sex ratio of calves born. Vet. Rec. 86:631.
4. Bourdon, R. M., and J. S. Brinks. 1982. Genetic, environmental, and phenotypic relationships among gestation length, birth weight, growth traits, and age at first calving in beef cattle. J. Anim. Sci. 55:543-553.
5. Cundiff, L. V., K. E. Gregory, and R. M. Koch. 1998. Germplasm evaluation in beef cattle-Cycle IV: Birth and weaning traits. J. Anim. Sci. 76:2528-2535.
6. DeJarnette, J. M., M. L. Day, R. B. House, R. A. Wallace, and C. E. Marshall. 2001a. Effect of GnRH pretreatment on reproductive performance of postpartum suckled beef cows following synchronization of estrus using GnRH and PGF2alpha. J. Anim. Sci. 9:1675-1682.
7. 2α. Theriogenology 56:493-501.
8. Foote, R. H. 1977. Sex ratios in dairy cattle under various conditions. Theriogenology 8:349-356.
9. Gardner, K. E. 1950. The sex ratio of calves resulting from artificial insemination. J. Dairy Sci. 33:391-396.
10. Geary, T. W., J. C. Whittier, D. M. Hallford, and M. D. MacNeil. 2001. Calf removal improves conception rates to the Ovsynch and CO-Synch protocols. J. Anim. Sci. 79:1-4.
11. Gregory, K. E., G. M. Smith, L. V. Cundiff, R. M. Koch, and D. B. Laster. 1979. Characterization of biological types of cattle-cycle III: I. Birth and weaning traits. J. Anim. Sci. 48:271-279.
12. Kojima, F. N., B. E. Salfen, J. F. Bader, W. A. Ricke, M. C. Lucy, M. F. Smith, and D. J. Patterson. 2000. Development of an estrus synchronization protocol for beef cattle with short-term feeding of melengestrol acetate: 7-11 synch. J. Anim. Sci. 78:2186-2191.
13. 2α for ovulation control in postpartum suckled beef cows. J. Anim. Sci. 79:2253-2259.
14. NAHMS. 1994. Sparse use of reproductive management technology for beef heifers and cows. Natl. Anim. Health Monitoring System, USDA, APHIS, CHAPA Info. Sheet 5/94. Available: http://www.aphis.usda.gov/vs/ceah/cahm/Beef_Cow-Calf/ chapa/ccmgtech.pdf. Accessed Dec. 12, 2004.
15. Perry, R. C., L. R. Corah, G. H. Kiracofe, J. S. Stevenson, and W. E. Beal. 1991. Endocrine changes and ultrasonography of ovaries in suckled beef cows during resumption of postpartum estrous cycles. J. Anim. Sci. 69:2548-2555.
16. Reynolds, W. L., J. J. Urick, and B. W. Knapp. 1990. Biological type effects on gestation length, calving traits and calf growth rate. J. Anim. Sci. 68:630-639.
17. Stegner, J. E., F. N. Kojima, M. R. Ellersieck, M. C. Lucy, M. F. Smith, and D. J. Patterson. 2004. A comparison of progestin-based protocols to synchronize estrus in postpartum beef cows. J. Anim. Sci. 82:1016-1021.
18. Stevenson, J. S., S. K. Johnson, and G. A. Milliken. 2003a. Symposium Paper: Incidence of postpartum anestrus in suckled beef cattle: Treatments to induce estrus, ovulation, and conception. Prof. Anim. Sci. 19:124-134.
19. Stevenson, J. S., G. C. Lamb, S. K. Johnson, M. A. Medina-Britos, D. M. Grieger, K. R. Harmoney, J. A. Cartmill, S. Z. El-Zarkouny, C. R. Dahlen, and T. J. Marple. 2003b. Supplemental norgestomet, progesterone, or melengestrol acetate increases pregnancy rates in suckled beef cows after timed inseminations. J. Anim. Sci. 81:571-586.
20. 2α with or without timed insemination. J. Anim. Sci. 78:1747-1758.
21. 2α. J. Anim. Sci. 77:1823-1832.
22. Twagiramungu, H., L. A. Guilbault, and J. J. Dufour. 1995. Synchronization of ovarian follicular waves with a gonadotropin-releasing hormone agonist to increase the precision of estrus in cattle: A review. J. Anim. Sci. 73:3141-3151.
23. Whitman, R. H. 1975. Weight changes, body condition and beef-cow reproduction. Ph. D. Diss. Colorado State Univ., Fort Collins.
24. Xu, Z. Z., and L. J. Burton. 1998. Synchronization of estrus with PGF2 alpha administered 18 days after a progesterone treatment in lactating dairy cows. Theriogenology 50:905-915.