Genetic parameters and trends for production and reproduction traits in Thai Landrace sows

Livestock Science

Volumn 111, Issue 1-2, 2007, Pages 70-79

  Imboonta, N ^a   Rydhmer, L ^b   Tumwasorn, S ^a  

^a KASETSART UNIVERSITY   (Thailand)

^b SWEDISH UNIVERSITY OF AGRICULTURAL SCIENCES   (Sweden)

Author keywords

Genetic parameters; Pig; Production traits; Reproduction; Trends

Indexed keywords

ANIMALIA; SUIDAE;

EID: 34547136937     PISSN: 18711413     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.livsci.2006.12.001     Document Type: Article

References (26)

1. Adamec V., and Johnson R.K. Genetic analysis of rebreeding intervals, litter traits, and production traits in sows of the national Czech nucleus. Livest. Prod. Sci. 48 (1997) 13-22
2. Dewey C.E., Martin S.W., Friendship R.M., Kennedy B.W., and Wilson M.R. Associations between litter size and specific sow-level management factors in Ontario swine. Prev. Vet. Med. 23 (1995) 101-110
3. Hanenberg E.H.A.T., Knol E.F., and Merks J.W.M. Estimates of genetic parameters for reproduction traits at different parities in Dutch Landrace pigs. Livest. Prod. Sci. 69 (2001) 179-186
4. Holm B., Bakken M., Klemetsdal G., and Vangen O. Genetic correlations between reproduction and production traits in swine. J. Anim. Sci. 82 (2004) 3458-3464
5. Holm B., Bakken M., Vangen O., and Rekaya R. Genetic analysis of litter size, parturition length, and birth assistance requirements in primiparous sows using a joint linear-threshold animal model. J. Anim. Sci. 82 (2004) 2528-2533
6. Holm B., Bakken M., Vangen O., and Rekaya R. Genetic analysis of age at first service, return rate, litter size, and weaning-to-first service interval of gilts and sows. J Anim. Sci. 83 (2005) 41-48
7. Madsen P., and Jensen J. A User's Guide to DMU. A Package for Analysing Multivariate Mixed Models. Version 6, release 4 (2000), Danish Institute of Agricultural Sciences, Research Centre Foulum, Denmark
8. Marois D., Brisbane J.R., and Laforest J.P. Accounting for lactation length and weaning-to-conception interval in genetic evaluations for litter size in swine. J. Anim. Sci. 78 (2000) 1796-1810
9. NSIF. National Swine Improvement Federation. Guidelines for Uniform Swine Improvement Programs (2005)
10. Roehe R., and Kennedy B.W. Estimation of genetic-parameters for litter size in Canadian Yorkshire and Landrace swine with each parity of farrowing treated as a different trait. J. Anim. Sci. 73 (1995) 2959-2970
11. Rothschild M.F., and Bidanel J.P. Biology and genetics of reproduction. In: Rothschild M.F., and Ruvinsky A. (Eds). The Genetics of the Pig (1998), University press, Cambridge, UK 313-344
12. Rydhmer L., Johansson K., Stern S., and Eliasson-Selling L. A genetic study of pubertal age, litter traits, weight loss during lactation and relations to growth and leanness in gilts. Acta Agric. Scand., A Anim. Sci. 42 (1992) 211-219
13. Rydhmer L., Lundeheim N., and Johansson K. Genetic-parameters for reproduction traits in sows and relations to performance-test measurements. J. Anim. Breed. Genet. 112 (1995) 33-42
14. Saengsukeeluck, P. 2001. Comparative studies of semen quality and production cost between the boars raised under open and evaporative cooling system houses. M.Sc. Thesis, Kasetsart University, Bangkok, Thailand.
15. SAS. Base SAS® 9.1 Procedure Guide (2004), SAS Institute Inc., Cary, NC
16. Sterning M., Rydhmer L., Eliasson L., Einarsson S., and Andersson K. A study on primiparous sows of the ability to show standing oestrus and to ovulate after weaning. Influences of loss of body weight and backfat during lactation and of litter size, litter weight gain and season. Acta Vet. Scand. 31 (1990) 227-236
17. Sterning M., Rydhmer L., and Eliasson-Selling L. Relationships between age at puberty and interval from weaning to estrus and between estrus signs at puberty and after the first weaning in pigs. J. Anim. Sci. 76 (1998) 353-359
18. Tantasuparuk W., Lundeheim N., Dalin A.M., Kunavongkrit A., and Einarsson S. Reproductive performance of purebred Landrace and Yorkshire sows in Thailand with special reference to seasonal influence and parity number. Theriogenology 54 (2000) 481-496
19. Tantasuparuk W., Dalin A., Lundeheim N., Kunavongkrit A., and Einarsson S. 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 (2001) 273-281
20. Ten Napel J., Devries A.G., Buiting G.A.J., Luiting P., Merks J.W.M., and Brascamp E.W. Genetics of the interval from weaning to estrus in first-litter sows - distribution of data, direct response of selection, heritability. J. Anim. Sci. 73 (1995) 2193-2203
21. Ten Napel J., Kemp B., Luiting P., and Devries A.G. A biological approach to examine genetic-variation in weaning-to-estrus interval in first-litter sows. Livest. Prod. Sci. 41 (1995) 81-93
22. Tholen E., Bunter K.L., Hermesch S., and Graser H.U. The genetic foundation of fitness and reproduction traits in Australian pig populations. 1. Genetic parameters for weaning to conception interval, farrowing interval, and stayability. Aust. J. Agric. Res. 47 (1996) 1261-1274
23. Tummaruk P., Lundeheim N., Einarsson S., and Dalin A.M. Reproductive performance of purebred Swedish Landrace and Swedish Yorkshire sows: II. Effect of mating type, weaning-to-first-service interval and lactation length. Acta Agric. Scand., A. Anim. Sci. 50 (2000) 217-224
24. Westell R.A., Quaas R.L., and Van Vleck L.D. Genetic groups in an animal model. J. Dairy Sci. 71 (1988) 1310-1318
25. Whittemore C.T. Nutrition reproduction interactions in primiparous sows. Livest. Prod. Sci. 46 (1996) 65-83
26. Zhang S., Bidanel J.-P., Burlot T., Legault C., and Naveau J. Genetic parameters and genetic trends in the Chinese × European Tiameslan composite pig line. I. Genetic parameters. Genet. Sel. Evol. 32 (2000) 41-56