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Journal of Dairy Science Vol. 7 No. 1 24-30
© 1924 by American Dairy Science Association ®
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The Effect of Gestation Upon Lactation in The Dairy Cow

A. C. Ragsdale, C. W. Turner and Samuel Brody

Department of Dairy Husbandry, University of Missouri, Columbia, Missouri

ABSTRACT

Data is presented showing that the effect of pregnancy becomes apparent in a reduced rate of milk secretion when during lactation the period of pregnancy exceeds about five months. The total reduction may amount to from 480 to 800 pounds of milk if cows are bred during the early months of lactation. The data indicates that this reduction of milk flow is caused in part at least by the demand of the fetus for nutrients to support its life processes.






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Copyright © 1924 by the American Dairy Science Association ®.