Primavesi, Odo, Rosa Toyoko Shiraishi Frighetto, Márcio dos Santos Pedreira, Magda Aparecida de Lima, Telma Teresinha Berchielli, and Pedro Franklin Barbosa. “Dairy Cattle Enteric Methane Measured in Brazilian Tropical Conditions”. Pesquisa Agropecuaria Brasileira 39, no. 3 (March 1, 2004): 277–283. Accessed November 15, 2025. https://apct.sede.embrapa.br/pab/article/view/6768.