BARMAN, K, and S N RAI. 2011. “Utilization of Tanniniferous Feeds. 3 Effect of Ferrous Sulphate Treatment of Babul Pods (Acacia Nilotica) on Nutrient Utilization and Tannin Degradatiion”. The Indian Journal of Animal Sciences 78 (2). https://epubs.icar.org.in/index.php/IJAnS/article/view/4597.