USMAN, TAHIR; SUHAIL, SYED MUHAMMAD; ZHANG, XU; GUO, GANG; ULLAH, IHSAN; SADIQUE, UMMER; WANG, YACHUN. Effects of non-genetic factors on age at first conception and calving interval in Holstein cattle under subtropical conditions. The Indian Journal of Animal Sciences, Delhi, India, v. 84, n. 1, p. 45–49, 2014. DOI: 10.56093/ijans.v84i1.37306. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/37306. Acesso em: 15 jul. 2026.