AHMAD, S; KUMAR, H; YADAV, M C; SINGH, J; SINGH, G; PATRA, M K. Biostimulatory effects of bull urine on ovarian activity and reproductive performance in post-partum crossbred cows*. The Indian Journal of Animal Sciences, Delhi, India, v. 80, n. 6, 2010. DOI: 10.56093/ijans.v80i6.34. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/34. Acesso em: 4 oct. 2026.