Among helminth infections, fascioliasis is most prevalent in the Russian Federation, especially in the Central Federal district. In connection with free grazing near water bodies in spring and summer, the number of cases increases, however, fascioliasis may be chronic in nature, generalizing in the ducts of the biliary tract, destroying the liver. In a comparative aspect, the degree of invasion presents the results of laboratory experiments to determine the biological value and possible liver toxicity by an invasive fasciola using the express method for assessing toxico-biological parameters using the Tetrachimena pyrimiformis test culture (strain WH14). In laboratory experiments, it was established on test organisms in ciliates that with a high degree of invasion in the liver of cattle, accumulations of substances that negatively affect Terakhin occur.
The article presents the results of laboratory experiments on determining the biological value and possible toxicity of meat and liver of pigs infested with echinococcosis and alveococcosis using Tetrahymena pyriformis culture (strain WH14 ). It was revealed that the methods for determining toxicity and biological value on Tetrachyme infusoria are not indicative in assessing the quality of meat of animals infested with alveococcus and Echinococcus.
The article presents the materials of diseases of agricultural animals that represent danger for human health, in particular for such invasive diseases as trichinosis, cysticercosis, echinococcosis, fascioliasis, sarcocystosis, coronary disease, dicrocoliosis, moniesiosis, lingvatulosis and toxoplasmosis, as well as the data about the causative agents of these diseases, their distribution among other species.
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