Multivariate Bayesian analysis were utilized to estimate (co)variance components for age at first farrowing, length of productive life and leg soundness score in Finnish Landrace population. Age at first farrowing was modeled as gaussian, length of productive life as right censored gaussian, and leg soundness score as a binary trait. The means of estimated posterior distributions of heritabilities were 0.19, 0.14, and 0.24 for age at first farrowing, length of productive life, and leg soundness score, respectively. Favorable genetic correlation between leg soundness score and length of productive life (0.14) was found. Thus, there exists sufficient genetic variation to select for sow robustness. It would be beneficial to utilize the information about leg conformation in the breeding value estimation of length of productive life.
Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume , , 06.08, 2006
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