Kursakova Т А; PEROV, N In; Zaitseva О V. The effect of the duration of service period on milk production of cows. Mongolian Journal of Agricultural Sciences, [S. l.], v. 22, n. 03, p. 22–25, 2018. DOI: 10.5564/mjas.v22i03.944. Disponível em: https://test.mongoliajol.info/MJAS/article/view/944. Acesso em: 27 oct. 2025.