SELVAM, A, K VIJAYARANI, and K KUMANAN. 2011. “Detection of Mycobacterium Avium Subsp Paratuberculosis in Milk of Asymptomatic Sheep by Polymerase Chain Reaction”. The Indian Journal of Animal Sciences 79 (8). https://epubs.icar.org.in/index.php/IJAnS/article/view/3088.