Abstract
This project aims to explore the metabolomic profile of the Gir bulls' feces of in order to understand the residual feed intake phenotype. For this purpose, information from cattle submitted to the feed efficiency test in 2020 will be used. For this purpose, 20 Gyr bulls were used with a mean age of 11 months (± 330 days), belonging to the Brazilian Association of Gyr Breeders (ASSOGIR) …