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Journal of Animal Science, Vol 68, 35-44, Copyright © 1990 by American Society of Animal Science

Effects of Concentrate Diets on Performance and Carcass Characteristics of Veal Calves

K. A. Beauchemin 1, B. Lachance 1, and G. St.-Laurent 1

1 Agriculture Canada, Research Branch, Lethbridge, Alberta, Canada T1J 4B1

The objective of this study was to determine the effects of concentrate diets and slaughter weight on growth and carcass composition of veal calves. Sixty male Holstein calves (48.8 kg) were allotted to one of three diets: 1) milk replacer (starter, 23.5% CP, 18.4% fat; finisher, 23.6% CP, 20.1% fat) (MR), 2) MR until weaning followed by barley- based concentrate (CP, 17.0%) (BC), and 3) MR until weaning followed by whole shelled corn (CP, 10.5%) with supplement (CP, 31.8%) (CS). Calves fed each diet were slaughtered to obtain chilled carcasses weighing 88 or 108 kg. ADG averaged .84 kg/d and was not affected by slaughter weight or diet. Grain diets were highly digestible (DM, 83.3%; energy, 82.9%). Dressing percentage of calves fed MR. BC and CS was 57.1, 54.0, 52.7% and 56.0, 53.6 and 54.7% for the 88-kg and 108-kg carcasses, respectively. Carcasses of calves fed MR graded higher than did those fed BC or CS, whereas CS carcasses graded higher than BC carcasses. Heavier carcasses (108 kg) graded higher than did lighter ones (88 kg) for calves fed all diets. Meat color was paler for calves fed MR, compared with grain-fed calves, with no differences between calves fed BC and CS. Increasing carcass weight resulted in darker meat. Results indicate good potential for rearing veal calves on grain diets; however, consumer acceptance of a darker meat product will determine the extent to which grain-based feeding systems are implemented.

Key Words: Veal • Calves • Milk Substitute • Concentrates • Carcasses

Submitted on January 3, 1989
Accepted on May 18, 1989




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Copyright © 1990 by the American Society of Animal Science.