ATTA, M; KHIDIR, O A E L. Effect of age and diet on some productive traits of a flock of Sudan Nilotic ewes. The Indian Journal of Animal Sciences, Delhi, India, v. 76, n. 2, 2011. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/3597. Acesso em: 23 oct. 2025.