This article is devoted to the pathologies of the hepatobiliary system in highly productive imported Holstein cattle against the background of metabolic disorders. The basic principles of diagnostics of hepatopathies, which include a biochemical blood test and ultrasonographic studies of the liver and gallbladder in the studied animals, are considered. The dynamics of changes in the parameters of alanine aminotransferase, aspartate aminotransferase and total bilirubin in highly productive cattle, depending on the physiological state of animals, was analyzed, as well as the main ultrasonographic changes in the liver of cows with metabolic disorders.

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