Relationships between conformation traits and longevity of Holstein cows in the Czech Republic
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The relationships between conformation traits and longevity traits were analyzed. Pearson correlation coefficients between type traits and the herd life or productive life of cows were calculated. The observed correlations between herd life or productivelife and type traits were in the range of minus 0.061 to plus 0.160. Negative correlations were found for rump angle, rear leg set, udder depth, and teat length. Most of the body traits indicate that larger cows live longer. However, body depth and chest width did not have a linear relation to longevity traits. The longest productive life was found in cows undersized in chest width and body depth (P lt;0.01).
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