Gompertz function has been shown to describe well the potential growth of pigs over age. The most important parameters are the adult weight and maturation rate. The third parameter describes the relative initial weight. With these parameters it is possible to estimate the weight of animal at any life stage. In designing breeding programs it is important to know the genetic relationships between early growth and mature size as well as rate of maturing. In this study linearization method was used for estimation of non-linear growth. This paper presents estimates of genetic co(variances) for growth curve parameters of Finnish Large White pigs, and considers the possibility to use growth curve parameters for breeding value estimation.

M. Koivula, M. L Sevon-Aimonen, I. Stranden, K. Vuori, Esa A Mäntysaari

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume , , 06.04, 2006
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