Devyatkin, V.; Mishurov, A.; Kolodina, E. Probiotic Effect of Bacillus Subtilis B-2998D, B-3057D, and Bacillus Licheniformis B-2999D Complex on Sheep and Lambs. J. Adv. Vet. Anim. Res 2021, 8, 146-157.