PRYTYKA, D. et al. Behavioral reactions, welfare and productivity of sows using different holding systems during lactation. Scientific Progress & Innovations, [S. l.], v. 29, n. 2, p. 34–47, 2026. DOI: 10.31210/spi2026.29.02.06. Disponível em: https://journals.pdau.edu.ua/visnyk/article/view/2251. Acesso em: 13 sep. 2026.