VYAS, SUMANT, C BRIANT, P CHEMINEAU, C LE DANVIC, and P NAGNAN-LE MEILLOUR. 2012. “Oestrus Pheromones in Farm Mammals, With Special Reference to Cow”. The Indian Journal of Animal Sciences 82 (3). https://epubs.icar.org.in/index.php/IJAnS/article/view/16044.