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N eoplastic diseases of the haematopoietic system (haemoblastosis) represent a large group of diseases of various aetiology and pathogenesis common in almost all mammalian species. With a number of haemoblastoses, the aetiopathogenic role of viruses has been proven, mainly from the families Retroviridae and Herpesviridae (Ciminale et al., 2014;Gazon et al., 2012;Shannon et al., 2017).A specifc case of haemoblastosis is leukaemia, a malig-

Summary This study identified helminthic species among wild boars (Sus scrofa) in Primorsky Krai, Russia. In total, 66 fecal samples were taken from wild boars and examined using the floatation-sedimentation method to identify helminths eggs and protozoan cysts. Age and sex were estimated for each host animal investigated. The helminthic fauna of the wild boars examined involved six parasite genera, but 4 are helminths and 2 are protozoans: the nematodes Metastrongylus spp., Trichuris suis, Capillaria sp. and Ascaris suum; and the protozoan parasites Eimeria sp. and Cystoisospora suis. The most prevalent parasite was Metastrongylus spp. (13.6 %) followed by Trichuris suis (7.6 %). The other parasites found were Eimeria sp. (3 %), Ascaris suum (3 %), Capillaria sp. (1.5 %) and Cystoisospora suis (1.5 %). Not found positive correlation between the host’s age and sex and the parasite prevalence. This was the first detailed study on helminths infections among wild boars in Primorsky Krai.