TIIHONEN, P.; POUTIAINEN, E. Grass intake and behaviour of young calves fed on pasture or zero-grazing . Agricultural and Food Science, [S. l.], v. 49, n. 4, p. 239–249, 1977. DOI: 10.23986/afsci.71940. Disponível em: https://journal.fi/afs/article/view/71940. Acesso em: 24 jul. 2024.