Milk production units characterized by sanitary, nutritional and infrastructure variables in the northwest, center western and southwest mesoregions of Rio Grande do Sul, Brazil. Biosci. J. [Internet]. 2020 Aug. 13 [cited 2025 Dec. 7];36(5):1705-14. Available from: https://seer.ufu.br/index.php/biosciencejournal/article/view/42462