Productive efficiency of cows primiparous aberdeen angus of the body size and milk production levels . Bioscience Journal [online], 2016. [online], vol. 32, no. 5, pp. 1296–1304. [Accessed15 March 2025]. DOI 10.14393/BJ-v32n5a2016-32823. Available from: https://seer.ufu.br/index.php/biosciencejournal/article/view/32823.