Milk production units characterized by sanitary, nutritional and infrastructure variables in the northwest, center western and southwest mesoregions of Rio Grande do Sul, Brazil. Bioscience Journal [online], 2020. [online], vol. 36, no. 5, pp. 1705–1714. [Accessed24 December 2025]. DOI 10.14393/BJ-v36n5a2020-42462. Available from: https://seer.ufu.br/index.php/biosciencejournal/article/view/42462.