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Journal of Dairy Science Vol. 59 No. 4 755-759
© 1976 by American Dairy Science Association ®
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Fasting Heat Production in "Lactating" Versus Dry Dairy Cows1

J. B. Holter

Department of Animal Sciences, New Hampshire Agricultural Experiment Station, Durham 03824

ABSTRACT

Fasting heat production was measured 1 and 31 days after lactation ceased in postabsorptive dairy cows varying in daily rate of milk yield just prior to fasting. Daily fasting heat production was higher at 1 than at 31 days, particularly in higher-producing cows. It averaged 100 ± 3 kilocalories per kilogram body weight·75 31 days after lactation ceased.

FOOTNOTES

1 Published with the approval of the Director of the New Hampshire Agricultural Experiment Station as Scientific Contribution 745.






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Copyright © 1976 by the American Dairy Science Association ®.