U.S. Department of Agriculture: Agricultural Research Service, Lincoln, Nebraska

 

Date of this Version

1969

Comments

Published in the Journal of Dairy Science v. 52, no. 6 (June 1969).

Abstract

Predicted summer production losses were made for Holstein cows in three widely separated locations in the United States where field investigations of air conditioning for dairy barns have been completed. These losses, based on a functional relationship developed from Missouri Climatic Laboratory data and local climatological data, were compared to the measured losses at each location. Correlation of losses for Holstein cows varied from excellent in northern Ohio to good in southern Louisiana and central Missouri. Variations due to hotter- or cooler-than-normal summer seasons and level of production were reasonable at all locations.

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