DICROCELIOSIS OF CATTLE AND FASCIOLOSIS OF SHEEP IN TYPICAL REGIONS OF THE EUROPEAN PART OF RUSSIA

Abstract

Dicroceliosis is a helminthic and zoonotic disease affecting many species of mammals, domestic, wild ruminants and humans. The causative agent of the disease is Dicrocoelium lanceatum - lanceolate fluke. Fascioliasis is a common disease of domestic, wild animals and humans. Two species of trematodes are the causative agents of ruminants in Russia: Fasciola hepatica and F. gigantica. Dicroceliosis and fascioliasis are widespread in many countries around the world. These diseases cause huge losses to the Russian economy and are socially significant diseases. In the regional aspect, these diseases are insufficiently studied, which became the goal of our work.Objective. To study the infection with dicroceliums and fasciolae of cattle and sheep in the characteristic regions of the European part of Russia: Oryol, Volgograd and Rostov. Post-mortem veterinary and sanitary inspection for the detection of dicrocelium and fasciolae in the liver of cattle and sheep was carried out in accordance with the “Rules for veterinary inspection of slaughter animals and veterinary and sanitary examination of meat and meat products” of 06/17/1988. Investigations were carried out in 2016–2017 at slaughter points of the Moscow Region. As a result of liver research from: 250 slaughter cattle from the Oryol region, 400 slaughter sheep from the Pallas district of the Volgograd region, 300 slaughter sheep from the Martynovskiy district of the Rostov region, it was found that cattle are infected with D. lanceatum, and sheep with F. hepatica. Cattle in the Oryol region were infected with D. lanceatum with extensive invasion (EI) = 9.2%, with an intensity of invasion (AI) = 6–293 specimens/cattle. And sheep from the Pallas district of the Volgograd region were infected with F. hepatica with EI = 1.75%, with AI = 3–27 specimens/sheep. The slaughter sheep from the Martynovskiy district of the Rostov region were infected with F. hepatica with EI = 5.3%, with AI = 9–51 specimens/sheep. Research results showed that farmers and managers of livestock farms in Oryol, Volgograd and Rostov regions need to conduct more thorough prevention and take measures against cattle dicroceliosis in Oryol and in Volgograd and Rostov regions against sheep fascioliasis.