CLINICAL AND DIAGNOSTIC CHARACTERISTICS OF THE DEVELOPMENT OF HEPATOCARDIAL SYNDROME IN BLACK AND WHITE COWS IN THE EARLY LACTATION PERIOD ArticleVatnikov Y., Rudenko A., Gnezdilova L., Sotnikova E., Byakhova V., Piven E., Kulikov E., Petrov A., Drukovskiy S., Petrukhina O.Veterinary World. Том 15. 2022. С. 2259-2268