MORINI, G.; TUMMARUK, P.; SALERI, R.; RENSIS, F. D. Effects of chronic melatonin administration on pregnancy rate in dairy cows submitted to a fixed-time AI protocol during summer and winter seasons. The Thai Journal of Veterinary Medicine, [S. l.], v. 52, n. 4, p. 775–780, 2023. Disponível em: https://he01.tci-thaijo.org/index.php/tjvm/article/view/261514. Acesso em: 13 oct. 2026.