Preparation of ruminal fluid and serum samples from beef cattle for nuclear magnetic resonance based-metabolomics - Matias, Ingrid Fernanda Bernardes; Santos, Eduardo Solano Pina; Valim, João Marcos Bovetto de Campos; Castro, Alex; Ferreira, Antônio Gilberto; Barbosa, Luis Carlos Garibaldi Simon; Ribeiro, Gabriel Henrique; Colnago, Luiz Alberto; Asnchau, Douglas Gabriel; Souza, Yasmin Gonçalves da Silva de; Góes, Rafael Henrique de Tonissi e Buschinelli; Cônsolo, Nara Regina Brandão (New Zealand Journal of Agricultural Research, 2024)