Ferrazza, Rodrigo de Andrade, Marcos Aurélio Lopes, Flávio de Moraes, and Fábio Raphael Pascoti Bruhn. 2015. “Zootechnical and Economic Performance Indexes of Milk Production Systems With Different Technological Levels”. Semina: Ciências Agrárias 36 (1):485-96. https://doi.org/10.5433/1679-0359.2015v36n1p485.