Responses to delayed estrus after weaning in sows using oral progestagen treatment

Journal of Animal Science

Volumn 86, Issue 8, 2008, Pages 1996-2004

  Patterson, J ^a   Wellen, A ^a   Hahn, M ^a   Pasternak, A ^a   Lowe, J ^b   Dehaas, S ^b   Kraus, D ^b   Williams, N ^c   Foxcroft, G ^a  

^a UNIVERSITY OF ALBERTA   (Canada)

^b Maschhoffs Inc   (United States)

^c PIC North America   (United States)

Author keywords

Estrus; Lactation; Postweaning fertility; Progestagen; Sow

Indexed keywords

ALTRENOGEST; DRUG DERIVATIVE; TRENBOLONE;

ANIMAL; ARTICLE; CLINICAL TRIAL; CONTROLLED CLINICAL TRIAL; CONTROLLED STUDY; DRUG ADMINISTRATION; DRUG EFFECT; ESTRUS; FEMALE; OVULATION; PARITY; PREGNANCY; PREGNANCY RATE; WEANING;

ANIMALS; DRUG ADMINISTRATION SCHEDULE; ESTRUS; FEMALE; OVULATION; PARITY; PREGNANCY; PREGNANCY RATE; TRENBOLONE; WEANING;

EID: 49749121483     PISSN: 00218812     EISSN: None     Source Type: Journal    
DOI: 10.2527/jas.2007-0440     Document Type: Article

References (32)

1. Ashworth, C. J., C. S. Haley, and I. Wilmut. 1992. Effect of Regumate on ovulation rate, embryo survival and conceptus growth in Meishan and Landrace x Large White gilts. Theriogenology 37:433-443.
2. Busch, D. C., D. J. Wilson, D. J. Schafer, N. R. Leitman, J. K. Haden, M. R. Ellersieck, M. F. Smith, and D. J. Patterson. 2007. Comparison of progestin-based estrus synchronization protocols before fixed-time artificial insemination on pregnancy rate in beef heifers. J. Anim. Sci. 85:1933-1939.
3. Clowes, E. J., F. X. Aherne, and G. R. Foxcroft. 1994. Effect of delayed breeding on the endocrinology and fecundity of sows. J. Anim. Sci. 72:283-291.
4. Fernández, L., C. Diez, J. M. Ordóñez, and M. Carbajo. 2005. Reproductive performance in primiparous sows after postweaning treatment with a progestagen. Swine Health Prod. 13:28-30.
5. Foxcroft, G. R., K. Degenstein, S. Terletski, A. Wellen, M. Vinsky, J. Patterson, S. Novak, and N. Williams. 2006a. Matching the biology and management of contemporary weaned sows. Pages 65-80 in Proc. 2006 Manitoba Swine Sem. I. Seddon, ed. Agricultural Services Complex, Winnipeg, Manitoba, Canada.
6. Foxcroft, G. R., W. T. Dixon, S. Novak, C. T. Putman, S. C. Town, and M. D. A. Vinsky. 2006b. The biological basis for prenatal programming of postnatal performance in pigs. J. Anim. Sci. 84(E Suppl.):E105-E112.
7. Geisert, R. D., S. Sasakia, and A. C. Clutter. 2007. Embryonic loss in sows with repeated propensity for small litter size. Reprod. Dornest. Anim. 42:333-335.
8. Horsley, B. R., M. J. Estienne, A. F. Harper, S. H. Purcell, H. K. Baitis, W. E. Seal, and J. W. Knight. 2005. Effect of P.O. 600 on the timing of ovulation in gilts treated with altrenogest. J. Anim. Sci. 83:1690-1695.
9. Johnston, N. E., M. W. Eastaugh, and E. J. Thornton. 1992. The short term use of Regumate in first-litter sows. Page 457 in Proc. Int. Pig Vet. Soc., Hague, the Netherlands.
10. Kauffold, J., J. Beckjunker, A. Kanora, and W. Zaremba. 2007. Synchronization of estrus and ovulation in sows not conceiving in a scheduled fixed-time insemination program. Anim. Reprod. Sci. 97:84-93.
11. Kemp, B., G. R. Foxcroft, and N. M. Soede. 2006. Physiological determinants of litter size in contemporary dam-line sows. Pages 25-32 in Proc. Reproduction Workshop, Allen D. Leman Swine Conference, Univ. Minn. Dept. Vet. Extension, St. Paul.
12. Kemp, B., and N. M. Soede. 2004. Reproductive problems in primiparous sows. Pages 843-848 in Proc. 18th Congr. Int. Pig Vet. Soc., Hamburg, Germany.
13. Kim, S. W., and R. A. Easter. 2001. Nutrient mobilization from body tissues as influence by litter size in lactating sows. J. Anim. Sci. 79:2179-2186.
14. Koutsotheodoros, F., P. E. Hughes, R. A. Parr, F. R. Dunshea, R. C. Fry, and J. E. Tilton. 1998. The effects of post-weaning progestagen treatment (regumate) of early-weaned sows on subsequent reproductive performance. Anim. Reprod. Sci. 52:71-79.
15. Martinat-Botté, F., F. Bariteau, B. Badourad, and M. Terqui. 1985. Control of pig reproduction in a breeding-program. J. Reprod. Fertil. 33:211-228.
16. Martinat-Botté, F., F. Bariteau, Y. Forgerit, C. Macar, P. Poirier, and M. Terqui. 1995. Synchronization of oestrus in gilts with altrenogest: Effects on ovulation rate and foetal survival. Anim. Reprod. Sci. 39:267-274.
17. Patterson, J. L., A. Wellen, and G. R. Foxcroft. 2007. Lactational catabolism in primiparous sows: 2. Lack of effect on reproductive performance. Adv. Pork Prod. 18:A-5. (Abstr.)
18. Quesnel, H., M. Etienne, and M.-C. Père. 2007. Influence of litter size on metabolic status and reproductive axis in primiparous sows. J. Anim. Sci. 85:118-128.
19. Santos, J. M. G., I. Wentz, F. Pandolfo Bortolozzo, and W. Barioni. 2004. Early-weaned sows: Altrenogest therapy, estrus, ovulation, and reproductive performance. Anim. Reprod. Sci. 84:407-413.
20. Snedecor, G. W., and W. G. Cochran. 1989. Statistical Methods. 8th ed. Iowa State Univ. Press, Ames.
21. Soede, N. M., E. G. Bouwman, P. Langendijk, I. van der Laan, A. Kanora, and B. Kemp. 2007. Follicle development during luteal phase and altrenogest treatment in pigs. Reprod. Domest. Anim. 42:329-332.
22. Soede, N. M., C. C. H. Wetzels, W. Zondag, M. A. de Koning, and B. Kemp. 1995. Effects of time of insemination relative to ovulation, as determined by ultrasonography, on fertilization rate and accessory sperm count in sows. J. Reprod. Fertil. 104:99-106.
23. Stevenson, J. S., and D. L. Davis. 1982. Estrous synchronization and fertility in gilts after 14- or 18 day feeding of altrenogest beginning at estrus or diestrus. J. Anim. Sci. 55:119-123.
24. Stevenson, J. S., D. L. Davis, and D. S. Pollmann. 1985. Altrenogest and fat for summer breeding of primiparous sows. J. Anim. Sci. 61:480-486.
25. Tilton, J. E., and R. Weigl. 2000. Regumate treatments to overcome second litter production depression. Page 387 in Proc. 16th Int. Pig Vet. Soc. Congr., Melbourne, Australia.
26. Town, S. C., J. L. Patterson, C. Z. Pereira, G. Gourley, and G. R. Foxcroft. 2005. Embryonic and fetal development in a commercial dam-line genotype. Anim. Reprod. Sci. 85:301-316.
27. Town, S. C., C. T. Putman, N. J. Turchinsky, W. T. Dixon, and G. R. Foxcroft. 2004. Number of conceptuses in utero affects porcine fetal muscle development. Reproduction 128:443-454.
28. Vinsky, M. D., S. Novak, W. T. Dixon, M. K. Dyck, and G. R. Foxcroft. 2006. Nutritional restriction in lactating primiparous sows selectively affects female embryo survival and overall litter development. Reprod. Fertil. Dev. 18:347-355.
29. Vonnahme, K. A., M. E. Wilson, G. R. Foxcroft, and S. P. Ford. 2002. Impacts on conceptus survival in a common swine herd. J. Anim. Sci. 81:2352-2356.
30. Wellen, A., J. L. Patterson, P. Zimmerman, M. Dyck, and G. Foxcroft. 2007. Effect of "skip-a-heat" breeding on reproductive performance of weaned first parity sows. J. Anim. Sci. 86(E Suppl. 3):102. (Abstr.)
31. Wood, C. M., E. T. Kornegay, and C. F. Shipley. 1992. Efficacy of altrenogest in synchronizing estrus in two swine breeding programs and effects on subsequent reproductive performance of sows. J. Anim. Sci. 70:1347-1364.
32. Zak, L. J., J. R. Cosgrove, F. X. Aherne, and G. R. Foxcroft. 1997a. Pattern of feed intake, and associated metabolic and endocrine changes, differentially affect post-weaning fertility in the primiparous lactating sow. J. Anim. Sci. 75:208-216.