DETECTION OF REPRESENTATIVES OF THE GENUS CRENOSOMA MOLIN, 1861 IN WILD AND SYNANTHROPIC VERTEBRATES

Abstract

Crenosomiasis is an invasive disease of carnivores caused by parasitizing in the bronchi and trachea of nematodes Crenosoma vulpis, C. taiga, C. petrowi from the genus Crenosoma Molin, 1861, family Crenosomatidae Schulz, 1951, and superfamily Metastrongyloidea Lane, 1917. We have studied vertebrates of wild fauna and synanthropic animals for parasitizing of helminths of the genus Crenosoma Molin, 1861 in the adult and larval stages. Wild vertebrates (jackals, foxes, wolves, wild boars) were delivered to us by hunters usually in autumn and winter. The studies were carried out using the method of complete and partial helminthological dissections per K. I. Skryabin. The obtained helminths were fixed as follows: trematodes in 70% alcohol, nematodes in Barbagallo fluid, and labeled. The total infection of animals with Crenosoma was 83.3%. Severe infection was detected in foxes (83.3%) and hedgehogs (100%). Among wild vertebrates, one specimen of Sus scrofa was examined by partial helminthological dissection, in whose lungs we identified nematode Crenosoma sp. for the first time in the Republic of Ingushetia. When analyzing the literature sources on the infection of wild boars with this type of helminth in Russia, no data were found. Crenosoma sp. has been recorded in the wild boar in Russia for the first time.