SINGH, A S; SINGH, O N. Assessment of haematological and biochemical parameters in crossbred heifers with anoestrus or oestrus. The Indian Journal of Animal Sciences, Delhi, India, v. 75, n. 12, 2005. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/9389. Acesso em: 23 oct. 2025.