Moraes, Conrado Trigo, et al. “Performance of Crossbred Holstein X Gyr Dairy Cows, With and Without Energy Supplementation, in BRS Kurumi Elephant Grass Pastures”. Semina: Ciências Agrárias, vol. 42, no. 4, May 2021, pp. 2555-68, doi:10.5433/1679-0359.2021v42n4p2555.