The occurrence of decreased numbers of pigs born alive in parity 2 sows does not negatively affect herd productivity in Japan

Livestock Science

Volumn 128, Issue 1-3, 2010, Pages 189-192

  Saito, Hikari ^a   Sasaki, Yosuke ^a   Hoshino, Yuko ^a   Koketsu, Yuzo ^a  

^a MEIJI UNIVERSITY   (Japan)

Author keywords

Efficiency; Herd productivity; Second litter drop; Sow

Indexed keywords

SUIDAE;

EID: 76349083823     PISSN: 18711413     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.livsci.2009.10.014     Document Type: Article

References (11)

1. Brooks P.H., and Smith D.A. The effect of mating age on the reproductive performance, food utilization and liveweight change of the female pig. Livest. Prod. Sci. 7 (1980) 67-78
2. Clark L.K., and Leman A.D. Factors that influence litter size in pigs: part 1. Pig News and Inf. 7 (1986) 303-310
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 Taylor D.J. (Eds). Diseases of Swine. 7th edition (1992), Iowa State University Press 88-137
4. Kemp B., and Soede N.M. Reproductive problems in primiparous sows. Proceedings of the 18th IPVS Congress vol. 2 (2004), Hamburg, Germany 843-848
5. Koketsu Y., and Dial G.D. Interactions between the associations of parity, lactation length, and weaning-to-conception interval with subsequent litter size in swine herds using early weaning. Prev. Vet. Med. 37 (1998) 113-120
6. Koketsu Y., Takenobu S., and Nakamura R. Preweaning mortality risks and recorded causes of death associated with production factors in swine breeding in Japan. J. Vet. Med. Sci. 68 (2006) 821-826
7. Kummer R., Bernardi M.L., Wentz I., and Bortolozzo F.P. Reproductive performance of high growth rate gilts inseminated at an early age. Anim. Reprod. Sci. 96 (2006) 47-53
8. MAFF statistics. Ministry of Agriculture, Forestry and Fishery Statistics in Japan. Available at www. maff.go.jp/index. html (Accessed on 15 August 2007).
9. Morrow W.E.M., Leman A.D., Williamson N.B., Morrison R.B., and Robinson R.A. An epidemiological investigation of reduced second-litter size in swine. Prev. Vet. Med. 12 (1992) 15-26
10. Penny R.H.C., Edwards M.J., and Mulley R. The reproductive efficiency of pigs in Australia with particular reference to litter size. Aust. Vet. J. 47 (1971) 194-202
11. Sasaki Y., and Koketsu Y. Sows having high lifetime efficiency and high longevity associated with herd productivity in commercial herds. Livest. Sci. 118 (2008) 140-146