Abstract
The main objective is to assess the physiological responses of sheep raised on pasture with natural shade and shelter. The work will be held at the Faculdade de Zootecnia e Engenharia de Alimentos FZEA/USP, located in Pirassununga, SP. Fifty Santa Ines females will be studied. In the first phase, rectal temperatures will be recorded for the evaluation of heat tolerance, indicating thermol…