ETTALA, E. Comparison between Ayrshire, Friesian and Finnish cattle dairy cows on home - produced feeds . Agricultural and Food Science, [S. l.], v. 55, n. 6, p. 509–524, 1983. DOI: 10.23986/afsci.72146. Disponível em: https://journal.fi/afs/article/view/72146. Acesso em: 18 may. 2024.