SYVÄOJA, E.-L.; KREULA, M. Incorporation of 15N and 14C into amino acids of bacterial and protozoal protein in the rumen of the cow on urea-rich feed . Agricultural and Food Science, [S. l.], v. 51, n. 1, p. 497–505, 1979. DOI: 10.23986/afsci.72011. Disponível em: https://journal.fi/afs/article/view/72011. Acesso em: 19 apr. 2024.