RANDHAWA, C S; RANDHAWA, S S. Copper status of crossbred cows of the organised and rural dairy herds in central Punjab. The Indian Journal of Animal Sciences, Delhi, India, v. 72, n. 12, 2014. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/38102. Acesso em: 23 oct. 2025.