The objective of this research was to verify the effect of the environment on the physiological indices, production and quality of milk of purebred and crossbred goats Alpine in the semiarid of Paraiba state, with 27 goats, nine pure, nine ¾ Alpine Brown and nine ½ Parda Alpina distributed in a completely randomized design. Environmental variables were recorded using a data logger, and the physiological indices were rectal temperature, respiratory rate, heart rate and skin temperature at 8, 12 and 16 h. The milk was evaluated through the physical and chemical characteristics, total bacterial count (TBC) and somatic cell count (SCC). The bioclimatic indexes showed higher values between 12 and 15 h, but within the zone of thermal comfort for goats. The physiological indices, the physico-chemical parameters, SCC and TBC showed no significant difference (p > 0.05) between the genetic groups. There was significant effect (p < 0.05) for daily milk production, with higher means for the group ¾ Parda Alpina, suggesting that composition as the most suitable for the evaluated conditions.
ambience; goat; racial composition
