A field study on negative energy balance in periparturient dairy cows kept in small-holder farms: Effect on milk production and reproduction. African Journal of Dairy Farming and Milk Production, [S. l.], v. 4, n. 1, p. 31–37, 2016. Disponível em: https://kevinpage.org/index.php/AJDFMP/article/view/622. Acesso em: 29 jul. 2026.