SINGH, S K; NAGARCENKAR, R. Estimation of genetic gain in milk yield by selection in Sahiwal herds of India. The Indian Journal of Animal Sciences, Delhi, India, v. 70, n. 3, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/35672. Acesso em: 23 oct. 2025.