Reproductive productivity measurements in Japanese swine breeding herds

Journal of Veterinary Medical Science

Volumn 64, Issue 3, 2002, Pages 195-198

  Koketsu, Yuzo ^a  

^a MEIJI UNIVERSITY   (Japan)

Author keywords

Fertility; Productivity; Reproductive performance; Sow

Indexed keywords

SUS SCROFA;

ANIMAL; ANIMAL HUSBANDRY; ARTICLE; FEMALE; JAPAN; LACTATION; MALE; PHYSIOLOGY; PREGNANCY; REPRODUCTION; SWINE;

ANIMAL HUSBANDRY; ANIMALS; FEMALE; JAPAN; LACTATION; MALE; PREGNANCY; REPRODUCTION; SWINE;

EID: 0036513586     PISSN: 09167250     EISSN: None     Source Type: Journal    
DOI: 10.1292/jvms.64.195     Document Type: Article

References (8)

1. Dial, G. D., Marsh, W. E., Polson, D. D. and Vaillancourt, J. P. 1992. Reproductive failure: Differential diagnosis. pp. 88-137. In: Diseases of Swine, 7th ed. (Leman, A. L., Straw, B. E., Mengeling, W. L., D'Allaire, S. and Taylor, D. J. eds.), Iowa State University Press, Ames.
2. Dial, G. D., Wiseman, B. S., Davies, P. R., Marsh, W. E., Molitor, T. W., Morrison R. B. and Thawley, D. G. 1992. Strategies employed in the United States for improving the health of swine. Pig News Infor. 13: 111-123.
3. Koketsu, Y. and Dial, G. D. 1998. 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: 113-120.
4. Koketsu, Y., Takahashi H. and Akachi, K. 1999. Longevity, lifetime pig production, and age at first mating in a cohort of gilts over 6 years. J. Vet. Med. Sci. 61: 1001-1005.
5. Koketsu, Y. 2000. Productivity characteristics of high-performing commercial swine breeding farms. J. Am. Vet. Med. Assoc. 216: 376-379.
6. Stein, T. E., Duffy, S. J. and Wickstrom, S. 1990. Differences in production values between high- and low-productivity swine breeding herds. J. Anim. Sci. 68: 3972-3979.
7. Svajgr, A. L., Hays, V. W. and Cromwell, G. L. 1974. Effect of lactation duration on reproductive performance of sows. J. Anim. Sci. 38: 100-105.
8. Wilson, M. R., Friendship, R. M., McMillan, I., Hacker, R. R., Piper, R. and Swaminathan, S. 1986. A survey of productivity and its component interrelationships in Canadian swine herds. J. Anim. Sci. 62: 576-582.