Improvement of animal production by altering the environment of the animal
1995
Armstrong, D.V. (Department of Animal Sciences, University of Arizona, Tucson, 85721 (USA))
Hot weather causes heat stress in dairy cattle. The resultant decrease in milk production and reproductive efficiency can be offset by a program of cooling through shades, ventilation, evaporative coolers and spray fans. Corral shade would be consistent to be essential to reduce stress. Feed line shade will improve dry matter intake and milk production. Holding pen cooling with spray and fans is cost effective, even in moderate climates. Shade cooling using evaporative or spray and fans is cost effective, if milk price is competitive to world price. The economic benefit should be determined before installation of equipment to reduce heat stress.
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This bibliographic record has been provided by Directorate General of Agricultural Research, Ministry of Agriculture and Fisheries
