MATHUR, A.K., PRASAD, R. and SHARMA, S. (2011) “Efficacy of oral feeding of combined preparation of progesterone and oestrogen on the induction of oestrus in Frieswal females”, The Indian Journal of Animal Sciences, 81(11). Available at: https://epubs.icar.org.in/index.php/IJAnS/article/view/12657 (Accessed: 3 June 2026).