INFLUENCE OF PROBIOTIC ON MORPHOLOGY OF DOMESTIC DUCK OVARIES Статья Kubatbekov T.S., Oganov E.O., Rystsova E.O., Kulikov E.V., Vatnikov Y.A., Sotnikova E.D., Parshina V.I., Poddubsky A.A. International Journal of Probiotics and Prebiotics. Том Vol 11 No 34. 2016. С. 141-144