Production and reproduction in a herd of Brown Swiss cattle

Bodisco, V.; Verde, O.; Wilcox, G.J.

Mems Asoc. lat. am. Prod. anim 6: 81-95

1971


Accession: 014622610

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Abstract
Least-squares analysis was carried out on 1046 lactation records, obtained in 1960-67 from the daughters of 21 Brown Swiss bulls at a farm in Venezuela, in an attempt to investigate the effect of genetic and environmental factors on milk yield. 305-day lactation milk yield averaged 2622 kg for heifers and 3025 kg for cows.