Effects of different crate opening times in free farrowing systems on production parameters under commercial conditions. Animal Breeding and Feeding, [S. l.], v. 75, n. 1, p. 53–65, 2026. DOI: 10.56617/att.7537. Disponível em: https://journal.uni-mate.hu/index.php/att/article/view/7537. Acesso em: 6 apr. 2026.