Samir Soliman, E. ., A. . El-Sayed Mahmoud, and S. . Abdel-Rahman Moawed. “Evaluation of Fresh Rumen Fluid Challenge on Rumen Eco-System of Buffalo Calves under Harsh Environmental Conditions”. Scientific Journal of Veterinary Advances, vol. 5, no. 9, Sept. 2016, pp. 114-22, http://sjournals.com/index.php/sjva/article/view/244.