Number of services and the reservice intervals in relation to suboptimal reproductive performance in female pigs on commercial farms

Livestock Science

Volumn 114, Issue 1, 2008, Pages 42-47

  Takai, Yasutaka ^a   Koketsu, Yuzo ^a  

^a MEIJI UNIVERSITY   (Japan)

Author keywords

Fertility; Mating; Non productive female days; Repeat breeders

Indexed keywords

SUIDAE;

EID: 40049095877     PISSN: 18711413     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.livsci.2007.04.007     Document Type: Article

References (22)

1. Clark L.K., Leman A.D., and Morris R. Factors influencing litter size in swine: parity-one females. J. Am. Vet. Med. Assoc. 192 (1988) 187-194
2. Clowes E.J., Aherne F.X., and Foxcroft G.R. Effect of delayed breeding on the endocrinology and fecundity of sows. J. Anim. Sci. 72 (1994) 283-291
3. Dial G.D., Marsh W.E., Polson D.D., and Vaillancourt J.-P. Reproductive failure: differential diagnosis. In: Leman A.D., Straw B.E., Mengeling W.L., D'Allaire S., and Taylr D.J. (Eds). Diseases of Swine. 7th edition (1992), Iowa State University Press 88-137
4. Dos Santos J.M.G., Wentz I., Bortolozzo F.P., and Barioni Jr. W. Early-weaned sows: altrenogest therapy, estrus, ovulation, and reproductive performance. Anim. Reprod. Sci. 84 (2004) 407-413
5. Dyck G.W. The effects of stage of pregnancy, mating at the first and second estrus after weaning and level of feeding on fetal survival in sows. Can. J. Anim. Sci. 54 (1974) 277-285
6. Elbers A.R.W., van Rossem H., Schukken Y.H., Martin S.W., van Exsel A.C.A., Friendship R.M., and Tielen M.J.M. Return to oestrus after first insemination in sow herds [incidence, seasonality, and association with reproductivity and some blood parameters]. Vet. Q. 16 (1994) 100-109
7. Gustafsson H., Larsson K., Kindahl H., and Madej A. Sequential endocrine changes and behaviour during oestrus and metoestrus in repeat breeder and virgin heifers. Anim. Reprod. Sci. 10 (1986) 261-273
8. Jindal R., Cosgrove J.R., Aherne F.X., and Foxcroft G.R. Effect of nutrition on embryonal mortality in gilts: association with progesterone. J. Anim. Sci. 74 (1996) 620-624
9. King V.L., Koketsu Y., Reeves D., Xue J., and Dial G.D. Management factors associated with swine breeding-herd productivity in the United States. Prev. Vet. Med. 35 (1998) 255-264
10. Koketsu Y., Dial G.D., and King V.K. Influence of various factors on farrowing rate on farms using early weaning. J. Anim. Sci. 75 (1997) 2580-2587
11. Koketsu Y., Dial G.D., and King V.K. Returns to service after mating and removal of sows for reproductive reasons from commercial swine farms. Theriogenology 47 (1997) 1347-1363
12. Koketsu Y. Six component intervals of nonproductive days by breeding-female pigs on commercial farms. J. Anim. Sci. 83 (2005) 1406-1412
13. Langendijk P., Bouwman E.G., Schams D., Soede N.M., and Kemp B. Effects of different sexual stimuli on oxytocin release, uterine activity and receptive behavior in estrous sows. Theriogenology 59 (2003) 849-861
14. Le Cozler Y., Dagorn J., Dourmad J.Y., Johansen S., and Aumaître A. Effect of weaning-to-conception interval and lactation length on subsequent litter size in sows. Livest. Prod. Sci. 51 (1997) 1-11
15. Miller G.M., Breen S.M., Roth S.L., Willenburg K.L., Rodriguez-Zas S., and Knox R.V. Characterization of image and labor requirements for positive pregnancy diagnosis in swine using two methods of real-time ultrasound. Swine Health Prod. 11 (2003) 233-239
16. PigCHAMP. PigCHAMP Reports Manual (1996), University of Minnesota, St. Paul
17. Rosner B. Fundamentals of Biostatistics. 3rd ed (1989), PWS-Kent Publishing Co., Boston, MA
18. Statistical Analysis System (SAS), Version 9.1 (2006), SAS Institute, Cary, NC
19. Steverink D.W.B., Soede N.M., Groenland G.J.R., van Schie F.W., Noordhuizen J.P.T.M., and Kemp B. Duration of estrus in relation to reproduction results in pigs on commercial farms. J. Anim. Sci. 77 (1999) 801-809
20. Tubbs R.C. Factors that influence the weaning-to-estrus interval in sows. Compend. Contin. Educ. Pract. Vet. 12 (1990) 105-115
21. Tummaruk P., Lundeheim N., Einarsson S., and Dalin A.-M. Repeat breeding and subsequent reproductive performance in Swedish Landrace and Swedish Yorkshire sows. Anim. Reprod. Sci. 67 (2001) 267-280
22. Van de Wiel D.F.M., and Booman P. Post-weaning anoestrus in primiparous sows: LH patterns and effects of gonadotropin injection and boar exposure. Vet. Q. 15 (1993) 162-166