Heritabilties for, and correlations between birthmass, 100-day corrected mass,205-day corrected weaning mass 365-day corrected mass and 540-day corrected mass were estimated using Harvey, 1987 on the performance data of 1437 Pedi calves. The Heritabilities of 0.19 ± 0.06, 0.08 ± 0.04, 0.09 ± 0.05 and 0.14 ± 0.06 were estimated for birthmass, 1 0 0 -day corrected mass, 205-day corrected weaning mass, 365-day corrected mass, 540-day corrected mass. The genetic, phenotypic and environmental correlations between birthmass and 1 0 0 -day corrected mass were medium(0.3) and correlations for the other traits decrease as calves became older. The correlation between other traits varied between 0.44 to 1.17.
Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume XIV. Dairy cattle genetics and breeding, adaptation and conservation., , 386–389, 1990
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