MÄKELÄ, A. The influence of season on yield increase and lactation yield in the Ayrshire herd of Viik experimental farm. Agricultural and Food Science, [S. l.], v. 39, n. 3, p. 183–190, 1967. DOI: 10.23986/afsci.71686. Disponível em: https://journal.fi/afs/article/view/71686. Acesso em: 17 aug. 2024.