ФЕДЯЄВА, А. С. Improvements of the conditions of keeping of boars of foreign breeding, the impact of exercise on the production of sperm. Scientific Progress & Innovations, [S. l.], n. 1, p. 153–155, 2018. DOI: 10.31210/visnyk2018.01.31. Disponível em: https://journals.pdau.edu.ua/visnyk/article/view/52. Acesso em: 23 aug. 2025.