Application of heat stress knowledge in dairy

In the US, losses of 1-1.5 billion dollars are attributed to heat stress impacting dairy cows. As heat stress occurs much earlier and more prominent with high producing dairy cows, the need to focus on heat stress increases, even more so because the development of dairy seems to be greater in (sub)tropical areas of the world. Heat stress is an extreme condition in which the animals are unable to dissipate excessive heat stored in their bodies caused by hot weather. Standard behavioural, psychol