Substitution of soybean meal for cottonseed meal in multiple supplements for grazing beef heifers in the dry season oleh Román Maza Ortega, Mário Fonseca Paulino, Edenio Detmann, Luciana Navajas Rennó, Lívia de Vieira Barros, Aline Gomes da Silva, David Contreras Marquez, Deilen Sotelo Moreno, Felipe Henrique Moura, Daniel Mageste de Almeida