Associated flow of coccidiosis in the mixinvasions of the digestive tract of pigs
AbstractOne of the reasons that inhibits the production of pig products is protozoal disease. Among them, the leading place is coccidiosis – eimerioses and isosporoses. The peculiarities of the course of pathogens of eimerioses and isosporoses in the composition of mixinvasions of the digestive canal are described. The co-authors of eimeria and isospores for the associative flow of coccidiosis have been identified. Coproscopic studies of pigs using flotation method have been carried out. The extensiveness of the invasion, as well as the morphological features of the oocysts of coccidiosis and eggs of helminthic pathogens, were taken into account. The results of the research revealed a significant spread of pigs coccidiosis in the Poltava region, with an average extensiveness of the invasion of 44.1 %, with a lower eimeriosis of 49.8 %, and an isosporosis of 8.3 %. Pigs' coccidioses predominantly occur in the mixinvasions of the digestive tract of pigs (73.2 %). Less commonly diagnosed with monoinvasions, caused by parasitism of Eimeria spp. (22.0 %), Isospora suis (2.9 %), and their association (1.9 %). The members of the coccidies were nematodes of the genus Oesophagostomum (Molin, 1861), the species Ascaris suum (Goeze, 1782), Trichuris suis (Schrank, 1788), and the simplest organisms of the species Balantidium suis (Stein, 1863), which run in the form of two-component to five-component associative invasions. In the conditions of pig farms of different forms of ownership in the territory of the Poltava region 12 species of mixinvasions were distinguished, where the causative agents of coccidiosis (Eimeria spp., Isospora suis) in animals are most often recorded in combination with two (58.0 %) and three (30.0 %) species of parasites. The association of coccidies in the four – (8.0 %) and five-component (4.0 %) mixinvasions rarely was established. The main sympathizers of coccidies in the pig's body were protozoa organisms of the species B. suis (EI – 19.5 %), nematodes of the species T. suis (EI – 13.8 %) and the genus Oesophagostomum (EI – 13.6 %). The obtained data on the associative flow of coccidiosis of pigs, the species composition of the compatriots of eimeries and isospores will allow to increase the efficiency of medical and preventive measures in the struggle against invasive animal diseases.
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