Genetic Effects on Growth and Development in Jersey and Limousin ...
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Genetic Effects on Growth and Development in Jersey and Limousin ...
13 Supplement July 2000 A: 485-488. Genetic Effects on Growth and Development in Jersey and Limousin Cross. Cattle. W. S. Pitchford and C. D. K. Bottema.
Asian-Aus. J. Anim. Sci. 13 Supplement July 2000 A: 485-488
Genetic Effects on Growth and Development in Jersey and Limousin Cross Cattle W. S. Pitchford and C. D. K. Bottema Department of Animal Science, University of Adelaide, Waite Campus, Glen Osmond SA 5064 Australia
ABSTRACT: This study examined the importance of direct genetic, maternal, heterosis and recombination effects on weaning (250 day) weight, height, fat depth and a measure of muscularity (ratio of stifle to hip width). The breed combinations comprised two pure breeds (Jersey and Limousin), the Limousin x Jersey F1, and two backcrosses (F1 x Jersey dams and F1 x Limousin dams). The major limitation of the trial was the low numbers of sires: 2 Jersey, 2 Limousin and 3 F1. Direct genetic effects were largest (P
