The National Pork Producers Council Maternal Line National Genetic Evaluation Program: A comparison of six maternal genetic lines for female productivity measures over four parities

Journal of Animal Science

Volumn 82, Issue 1, 2004, Pages 41-53

  Moeller, S J ^a,f   Goodwin, R N ^b   Johnson, R K ^c   Mabry, J W ^d   Baas, T J ^d   Robison, O W ^e  

^a OHIO STATE UNIVERSITY   (United States)

^b NATIONAL PORK BOARD   (United States)

^c UNIVERSITY OF NEBRASKA LINCOLN   (United States)

^d IOWA STATE UNIVERSITY   (United States)

^e NORTH CAROLINA STATE UNIVERSITY   (United States)

^f 122 Animal Science Bldg ^*  (United States)

Author keywords

Fertility; Genetic Variation; Litter Traits; Pigs

Indexed keywords

SUS SCROFA;

EID: 2342637700     PISSN: 00218812     EISSN: None     Source Type: Journal    
DOI: 10.2527/2004.82141x     Document Type: Article

References (17)

1. Bidanel, J. P., J. Gruand, and C. Legault. 1994. An overview of twenty years of selection for litter size in pigs using "Hyperprolific" schemes. Proc. 5th World Cong. Genet. Appl. Livest. Prod., Guelph, Canada 17:512-515.
2. Casey, D., T. A. Rathje, and R. K. Johnson. 1994. Second thoughts on selection for components of reproduction in swine. Proc. 5th World Cong. Genet. Appl. Livest. Prod., Guelph, Canada 17:315-318.
3. Guedes, R. M. C., and R. H. G. Nogueira. 1996. The influence of parity order and body condition on weaning-to-oestrous interval of sows. Page 593 in Proc. 14th Int. Pig Vet. Soc. Cong., Bologna, Italy.
4. Kerr, J. C., and N. D. Cameron. 1995. Reproductive performance of pigs selected for components of efficient lean growth. Anim. Sci. 60:281-290.
5. Koketsu, Y., G. D. Dial, and V. L. King. 1996. Influence of various factors on farrowing rate on farms using early weaning. J. Anim. Sci. 75:2580-2587.
6. Johnson, R. K., M. K. Nielsen, and D. S. Casey. 1999. Responses in ovulation rate, embryonal survival, and litter traits in swine to 14 generations of selection to increase litter size. J. Anim. Sci. 77:541-557.
7. Neal, S. M., R. K., Johnson, and R. J. Kittok. 1989. Index selection for components of litter size in swine: Response to five generations of selection. J. Anim. Sci. 67:1939-1945.
8. NPPC. 1995. Terminal Line Program Results. Natl. Pork Prod. Counc. Des Moines, IA.
9. NPPC. 2000. Maternal Line Genetic Evaluation Program Design. Pages 45-75 in Maternal Line National Genetic Evaluation Program Results. Des Moines, IA.
10. NRC. 1998. Pages 110-123 in Nutrient Requirements of Swine. 10th rev. ed. Natl. Acad. Press, Washington, DC.
11. Roehe, R. 1999. Genetic determination of individual birth weight and its association with sow productivity traits using Bayesian analysis. J. Anim. Sci. 77:330-343.
12. Rothschild, M. F., and J. P. Bidanel. 1998. Biology and Genetics of Reproduction. Pages 313-344 in the Genetics of the Pig. M. F. Rothschild and A. Ruvinsky, ed. CAB International, New York.
13. Ruiz-Flores, A., and R. K. Johnson. 2001. Direct and correlated responses to two-stage selection for ovulation rate and number of fully formed pigs at birth in swine. J. Anim. Sci. 79:2286-2297.
14. See, M. T., J. W. Mabry, J. Venner, T. J. Baas, K. J. Stalder, and S. J. Moeller. 2000. Reproductive progress of American Yorkshire swine. Proc. 14th Int. Cong. Anim. Reprod., Stockholm, Sweden 1:309.(Abstr.)
15. Stalder, K. J., J. W. Mabry, J. Venner, T. J. Baas, S. J. Moeller, and M. T. See. 2000. Reproductive trait genetic trends in American Landrace swine. Proc. 14th Int. Cong. Anim. Reprod., Stockholm, Sweden 1:305.(Abstr.)
16. Sterning, M., F. Hulten, S. Einarsson, K. Andersson, and H. Hoist. 1996. Relationships between weight loss during lactation, blood parameters and reproduction traits in primiparous sows. Page 570 in Proc. 14th Int. Pig. Vet. Soc. Cong. Bologna, Italy.
17. Tantasuparuk, W., A. Dalin, N. Lundeheim, A. Kunavongkrit, S. Einarsson. 2001. Body weight loss during lactation and its influence on weaning-to-service interval and ovulation rate in Landrace and Yorkshire sows in the tropical environment of Thailand. Anim. Reprod. Sci. 65:273-281.