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Journal of Dairy Science Vol. 64 No. 8 1735-1737
© 1981 by American Dairy Science Association ®
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Subsequent Performance of Calves Held at Near Birht Weight for the First Three Weeks of Life1

B. F. Jenny and G. D. O'Dell

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

ABSTRACT

Thirty-six Holstein calves with mean daily gain from –.01 to .44 kg during the first 3 wk of life were used to study effects of early gain on performance through 12 wk of age. During the initial 3 wk, calves were fed milk replacer only at fluid intakes of 8 and 10% body weight and dry matter concentrations of 10, 15, and 20%. Starting with the 4th wk of life calves were offered a complete calf starter (guaranteed minimum 15% crude protein) ad libitum. Calves continued to receive replacer once daily in those treatment combinations. All calves were weaned abruptly at 6 wk of age. Fluid intake had no effect on gain anytime from 4 to 12 wk of age. Mean daily gain from 4 to 12 wk was .67 and .68 kg for calves fed fluid intakes of 8 and 10% body weight. Dry matter concentration of replacer had no effect on gain during wk 4 to 6. However, during wk 7 to 8, immediate post weaning, mean daily gains were .56, .60, and .38 kg for calves previously fed replacer at 10, 15, or 20% dry matter. Gains from 4 to 12 wk were .67, .69, and .66 kg/day for calves fed 10, 15, or 20% dry matter. Intake of starter dry matter during wk 4 to 6 decreased with increasing fluid intake and concentration of replacer. Calves can be maintained near birth weight for up to 3 wk without detrimental effects on performance through 12 wk of age.

FOOTNOTES

1 Technical Contribution No. 1720. Published with the approval of the Director, South Carolina Agricultural Experiment Station.






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Copyright © 1981 by the American Dairy Science Association ®.