Devyatkin, Vladimir, Alexey Mishurov, and Evgenia Kolodina. “Probiotic Effect of Bacillus Subtilis B-2998D, B-3057D, and Bacillus Licheniformis B-2999D Complex on Sheep and Lambs”. Journal of Advanced Veterinary and Animal Research 8, no. 1 (March 8, 2021): 146–157. Accessed October 1, 2025. https://banglajol.info/index.php/JAVAR/article/view/76038.