This paper evaluated the parameters of Gompertz nonlinear function to describe Guzera male and female growth curve, and their crossbreds (3/4Guzera – 1/4Brown Swiss, 1/2Nellore – 1/4Brown Swiss – 1/4Guzera, 1/2Brown Swiss – 1/2Guzera, 1/2Chianina – 1/4Brown Swiss – 1/4Guzera, 1/2Caracu – 1/2Guzera, 1/2Caracu – 1/4Brown Swiss – 1/4Guzera) submitted to three levels of supplementation: without supplementation, supplementation only during the dry season, and year-round supplementation. There were significant interactions between supplementation and breed, and breed and sex on mature […]