Tannin as a natural rumen modifier to control methanogenesis in beef cattle in tropical systems: friend or foe to biogas energy production? - Fagundes, Gisele Maria; Benetel, Gabriela; Welter, Katiéli Caroline; Melo, Flávia Alves; Muir, James Pierre; Carriero, Mateus Maldonado; Sousa, Ricardo Luiz Moro de; Méo Filho, Paulo de; Frighetto, Rosa Toyoko Shiraishi; Berndt, Alexandre; Bueno, Ives Cláudio da Silva (Research in Veterinary Science, 2020)