DIAGNOSIS OF THE NUTRITIONAL VALUE OF COLOSTRUM IN COWS OF DIFFERENT MILK YIELD Article Parshina V.I., Notina E.A., Petrukhina O.A., Terekhin A.A., Voronina J.Y., Bondareva I.V., Zueva E.A. International Journal of Advanced Biotechnology and Research. Vol. 10. 2019. P. 157-172