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Journal of Dairy Science Vol. 28 No. 12 893-900
© 1945 by American Dairy Science Association ®
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Predicting the Transmitting Ability of Young Dairy Sires for Milk Production, Butterfat Test, and Butterfat Production1

H. C. Dickey and Pedro Labarthe2

Colorado Agricultural Experiment Station, Fort Collins, Colorado

ABSTRACT

Conclusions: Two methods of predicting the transmitting ability of young dairy sires have been shown. The regressed pedigree value is superior to the regular pedigree value in predicting the transmission of milk production and butterfat production.

The two methods are about equal in predicting the transmission of butterfat test.

FOOTNOTES

1 Approved by the Director of the Colorado Agricultural Experiment Station for publication as Scientific Journal Series Article No. 198.

2 H. C. Dickey, formerly Professor of Dairy Husbandry, Colorado A. & M. College, at present Associate Professor of Dairy Production, University of Vermont. Pedro Labarthe, Graduate Student in Animal Nutrition who aided in accumulating part of the data used in this study.






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