AHMAD, S., KUMAR, H., YADAV, M. C., SINGH, J., SINGH, G., & PATRA, M. K. (2010). Biostimulatory effects of bull urine on ovarian activity and reproductive performance in post-partum crossbred cows*. The Indian Journal of Animal Sciences, 80(6). https://doi.org/10.56093/ijans.v80i6.34