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brevirostris species.This paper focuses on parasites of the genus Eimeria in rabbits kept in two backyard farms – from Poland (herd A) and Ukraine (herd B). The concentration McMaster technique and sporulation was applied to determine the level of infection, as well as to identify the species composition. The Eimeria sp. oocysts were present in all collected samples (prevalence = 100%), and four to nine coccidian species were identified in the herd A and B, respectively. Eimeria media was the most common species, and the presence of the most pathogenic E. intestinalis and E. flavescens was observed in both studied rabbitries. The results obtained suggest that coccidiosis may cause a serious risk for rabbits kept in backyard farms, therefore prevention guidelines in relation to the backyard breeding are crucial to be developed.Ixodes ricinus and Dermacentor reticulatus are widely distributed tick species in Europe. The main hosts for immature stadia of these ticks are small rodents, mostly the genera Apodemus and Microtus, whereas for adult specimens – wild ungulates. These species of ticks are also found on companion and breeding animals including dairy cows. Researches were conducted in the eastern Poland from 2013 to 2014. During consecutive days bodies of cows grazing on the pasture were surveyed and all ticks were collected. Simultaneously ticks were collected from plants with flagging method. Significant preponderance of ornate cow ticks over bean castor ticks infesting cows was observed. The most frequent spot of the tick location on cows’ bodies was neck. Statistically a significant impact of air temperature and humidity on the risk of tick’s attacks on cattle grazing in open countryside and lack of difference between number of ticks collected from animals and plants had been confirmed. Dairy cows could be considered as one of the preferred hosts for adult specimens of D. reticulatus. Grazing of dairy cows in the area of ticks’ occurrence causes risk of tick infestation and possible tick-borne pathogen transmission and progression of vector-borne disease. In human case TBE (tick-borne encephalitis) could be transmitted by ingestion of infected milk.Fasciolosis is considered as an ongoing neglected zoonotic disease in tropical regions of the world, relating to notable financial and public health issues. The current systematic review and meta-analysis was planned to determine the status of fasciolosis among domestic ruminants, including cattle, buffalo, goat, and sheep at the industrial slaughterhouses in Iran, between the years 2000 and 2016. Eight databases, four English and four Persian, were searched. Our findings demonstrated that 2.6% of all inspected livers of slaughtered ruminants were infected with Fasciola spp. during 2000–2016. The mean prevalence of fasciolosis for cattle, buffalo, goat, and sheep was 21%, 4.2%, 2%, and 2.4%, respectively. Additionally, most studies were performed on cattle 25 (39.6%), sheep 24 (38 %), and goat 12 (19%), respectively, and just 2 (3.1%) studies were performed on buffalo. The prevalence of animal fasciolosis has significantly decreased among domestic ruminants in Iran except for cattle. In addition, the prevalence of this disease in Northern and Western regions of the country has remained at hypo-endemic level. The results present updated gathered information on the epidemiology of fasciolosis in domestic ruminants in Iran, and will expand the screening strategies to improve health and reduce economic impacts among farm animals.The representatives of genus Acanthamoeba are widespread in the environment. The presence of freeliving Acanthamoeba sp. in such mineral deposits as bentonite was shown for the first time. Identification of isolated amoeba was conducted according to morphological features of trophozoites and cysts, as well as using sequencing of gene 18S RNA (amplifier GTSA.B1). The obtained data showed that isolated amoebae belong to the genotype T4 and II morphological group (cyst size less then 18 μm). For its growth, ”bentonite” amoebae are intensively used bacteria of the genus Cellulosimicrobium sp. as a food substrate.The aim of this study was identification features of cultivation representatives of genus Acanthamoeba isolated from bentonite using Cellulosimicrobium sp. as a bacteria-feeders. Identification of isolated bacteria was conducted by morphological, cultural and molecular-genetic methods. The cultivation of free-living „bentonite” amoeba on the lawn of Cellulosimicrobium sp. have gained significant advantages than using Escherichia coli as a bacteriafeeders was shown. “Bentonite” amoeba form crateroid plaques, which fit to the quantitative characteristic materials which contains amoeba, during deep co-cultivation Acanthamoeba sp. and Cellulosimicrobium sp. on 1% glucose meet-peptone agar.Resistance of strongylids in domestic horses to benzimidazole anthelmintics (BZ) has been detected worldwide; however, information on the presence of BZ-resistance in wild equids has not been published to date. The purpose of this study was to analyze the manifestations of the BZ resistance in strongylids in domestic and wild equids kept in the Askania Nova Biosphere Reserve, Ukraine. Four species of equids domestic horses and Shetland ponies (Equus caballus), donkeys (E. asinus), plains zebras (E. burchelli) and Grévy’s zebras (E. grevyi) kept under semi-free conditions were examined using the Fecal Egg Count Reduction Test (FECRT) in order to detect the presence of resistance to the BZ anthelmintics. Veliparib Analysis of long-term data (2009–2019) revealed a decrease in the efficacy of BZ drugs against strongylids in these four species of equids from 97.6% in 2009 to less then 75% in 2019. The efficacy of anthelmintic treatments was low in all species of equids in plains zebras – 69.4%, Grévy’s zebras – 72.7%, horses – 66.4%, ponies – 61.1% and donkeys – 45.2%. Ten species of cyathostomins (Cyathostomum catinatum, Cylicocyclus nassatus, C. ashworthi, C. leptostomus, Cylicostephanus calicatus, C. goldi, C. longibursatus, C. minutus, Coronocyclus labiatus, C. labratus) were found after horse deworming with albendazole. Our results are the first detection of BZ-resistance in strongylids of wild equids kept under semi-free conditions in the Reserve.