Dr.R.Venugopal. M.V.Sc (Posted on 1 March 2011)

Hot weather causes heat stress in dairy cattle. Thermal stress causes the body temperature of cows to increase. Lactating dairy cows create a large quantity of metabolic heat and accumulate additional heat from radiant energy. Heat production coupled with compromised cooling capability because of environmental conditions cause heat stress in cattle. As a result, the cows have a lower feed intake. ..