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Journal of Dairy Science Vol. 63 No. 6 959-963
© 1980 by American Dairy Science Association ®
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Performance of Calves Fed Colostrum Treated with Sodium Benzoate or Benzoic Acid1

B. F. Jenny, B. A. Costello and H. J. Van Dijk

Department of Dairy Science, Clemson University, Clemson, SC 29631

ABSTRACT

Forty-eight Holstein calves were fed one of four liquid diets from 3 to 30 days of age to study sodium benzoate and benzoic acid as preservatives for colostrum. Diets were 1) 3.64 kg whole milk, or 2.73 kg 2) naturally fermented colostrum, 3) sodium benzoate treated (.5% by weight) colostrum, or 4) benzoic acid treated (.5% by weight) colostrum. Colostrum diets were diluted with .91 kg water. Liquid diets were fed once daily. Water and a 15% crude protein complete starter were offered ad libitum. Calves were weaned abruptly at 30 days of age and received only water and starter from 31 to 44 days of age. Daily gain from 0 to 4 wk and 0 to 6 wk was similar for all treatments. However, calves fed naturally fermented colostrum showed slightly less gain. Gains from 0 to 6 wk were .39, .33, .40, and .39 kg/day for the four diets. Calves fed colostrum diets consumed less dry matter from liquid and more dry matter from starter during wk 0 to 4 than calves fed whole milk. Intake of total dry matter was similar during the 0 to 4 and 0 to 6 wk. Feed efficiencies (kg dry matter intake/kg gain) from 0 to 6 wk were 2.64, 3.82, 2.36, and 2.95 for the four diets. Colostrum treated with sodium benzoate and benzoic acid supported adequate calf performance. Advantage was slight for colostrum treated with sodium benzoate during periods of warm ambient temperatures.

FOOTNOTES

1 Technical Contribution No. 1735. Published with the approval of the Director, South Carolina Agricultural Experiment Station.






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