The problem of echinococcosis among domestic animals in the suburbs of Zhytomyr
Abstract
Echinococcosis is zooantroponosic infestation, which is the causative agent Echinococcus granulosus (Batsch, 1786) from the family Taeniidae, of the class Cestoda. Invasion is widespread in all countries of the world with pasture type of animal husbandry, and especially sheep breeding (Argentina, Australia, Uruguay, Paraguay, Greece, North Africa, Asia). The South of Ukraine is traditionally considered to be the most dangerous region for echinococcosis. However, the Polissya region is also favorable for the creation of epizootic dysfunctional foci of echinococcosis of domestic and wild animals. The main source of echinococcosis in humans and animals is affected dogs, and the factor of transmission for animals is abiotic environment, which contains the oncosphere of the pathogen. Being in constant close contact with humans and domestic animals, carnivores create a serious threat associated with the defeat of the pathogen for the latter. Pathogenic effect on the animal organism due to the toxic, antigenic, mechanical action. This invasion causes significant economic losses caused by the vibration of parasite-affected products and a decrease in the price category of the ink of invasive pets, in particular pigs. According to the analysis of statistical data and our own research found that in 2016–2017 years the intensity of exinococcal invasion in the territory of Zhytomyr region in dogs did not exceed 2,5 %, while in pigs reached 9,4 %. According to the results of veterinary and sanitary examination in the food markets of Zhytomyr, it was found that among the pathological changes of the liver in pigs, the presence of larvocysts of Echinococcus (32,7 %) was more often revealed, compared with other pathologies of invasive and non-infectious etiology (up to 11.4%). For Echinococcus invasion atrophy of the liver, degeneration, cirrhosis of the hepatic parenchyma, reduce commodity value and is the reason for the rejection of the products marked.References
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