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Item DESCRIPTION OF THE NEMATODE DIROFILARIA REPENS (NEMATODA, ONCHOCERCIDAE) PARASITIC IN DOGS IN UKRAINE(2023) Євстаф’єва, Валентина Олександрівна; Yevstafieva, V. O.; Мельничук, Віталій Васильович; Melnychuk, V. V.; Кравченко, Сергій Олександрович; Kravchenko, S. O.; Киричко, Олена Борисівна; Kyrychko, O. B.; Дмитренко, Надія Іванівна; Dmytrenko, N. I.; Сизоненко, Наталія Миколаївна; Syzonenko, N. M.; Опара, Надія Миколаївна; Opara, N. M.Dirofi lariasis is a zoonotic disease of domestic and wild carnivorous animals and humans. Subcutaneous migration of the parasite Dirofi laria repens Railliet & Henry, 1911 can lead to the local swellings with changeable localization. In humans, this parasite can cause the damage of lungs, male genitalia, and eyes. Th e range of D. repens is constantly spreading to new areas, and, considering the zoonotic potential of this parasite, it is important to widen the existing data concerning the morphology of D. repens. Present study provides the morphometric description of nematodes D. repens, obtained from subcutaneous tissue of dogs in Ukraine. Th e aim of this study was to make an accent on the key features for performing the identifi cation of parasites of this species. For males, 27 morphometric traits were identifi ed, characterising the total size of the body and the esophagus, the thickness of the cuticle in the region of the mouth opening, the localisation of the nerve ring and the cloaca, the morphological structure and metric parameters of the spicules, and the length of the tail. For females, 18 morphometric traits were identifi ed that, in addition to the common parameters, characterise cuticle thickness in the region of the vulva, localisation of the vulva and anus, body width in the regions of the anus and vulva, and tail length. Th is report widens the existing data on the morphological and metric characteristics of nematodes D. repensItem Differential characters of fleas of the genus Ctenocephalides (Siphonaptera, Pulicidae) obtained from dogs(2021-05) Yevstafieva, V. O.; Євстаф’єва, Валентина Олександрівна ; Горб, К.О.; Melnychuk, V. V.; Мельничук, Віталій Васильович ; Горб, Олег ОлександровичItem Differential species characters of Baruscapillaria anserisand B. obsignatanematodes obtained from the domestic goose(Regulatory Mechanism in Biosystems, 2018) Yevstafieva, V. O. ; Євстаф’єва, Валентина Олександрівна; Yeresko, V.I.; Pishchalenko, M. A.; Nagorna, L. V.; Піщаленко, Марина АнатоліївнаThe study presents species composition and abundance of nematodes of the family Capillariidae (Nematoda, Trichocephalida), parasitizing the domestic goose (Anser anser dom. Linnaeus, 1758) in Poltava region, Ukraine. Morphological specifics of adult specimens of collected helminths are examined and new data is obtained for species identification of Capillariidae considering their metric parameters. The pathogens of capillariasis in geese are represented by two species, Baruscapillaria anseris (Madsen, 1945) Moravec, 1982 and B. obsignata(Madsen, 1945) Moravec, 1982 with the former predominant. Prevalence of infection by B. anserisin domestic fowl was up to 46.8%, the abundance index reached 17.9 specimens.Item Ectoparasites Ctenocephalides (Siphonaptera, Pulicidae) in the composition of mixed infestations in domestic dogs from Poltava, Ukraine(2020-07) Yevstafieva, V. O.; Євстаф’єва, Валентина Олександрівна ; Горб, К.; Melnychuk, V. V.; Мельничук, Віталій Васильович ; Бахур, Т.; Фещенко, Д.Item Effect of temperature on the survival rates of the embryonic states of development of Trichuris skrjabini nematodes parasitizing sheep(2023-06) Yevstafieva, V. O.; Євстаф’єва, Валентина Олександрівна ; Petrenko, M. O.; Петренко, Максим Олександрович ; Melnychuk, V. V.; Мельничук, Віталій Васильович ; Vakulenko, Y. V.; Вакуленко, Юлія Валентинівна; Бахур-Каваляускене Т.І.; Titarenko, O. V.; Тітаренко, Олена Вікторівна ; Shaferivskyi, B. V.; Шаферівський, Богдан Сергійович ; Pishchalenko, M. A.; Піщаленко, Марина Анатоліївна ; Filonenko, S. V.; Філоненко, Сергій Васильович ; Sheiko, S. V.; Шейко, Сергій ВолодимировичThe prevention of the trichurosis of sheep requires understanding the terms of development of pathogens and their survival in the environment under the influence of abiotic factors. This study was conducted to determine the tolerance to a temperature factor of Trichuris skrjabini nematode eggs isolated from sheep. Trichuris eggs were obtained from the gonads of female nematodes in laboratory conditions and cultivated in a thermostat until the appearance of motile larvae in the eggs at the temperatures of 20°C, 25°C, and 30°C. It was determined that the time of formation of infectious eggs decreases with increasing temperature. The temperature of 25°С was found to be the most favorable for the development of T. skrjabini eggs in laboratory conditions, and 80.3% of eggs with motile larvae formed on the 54th day. Temperatures of 20°С and 30°С were less advantageous to the process of embryogenesis. The motile larvae develop in eggs in 63 days at 20°С and in 45 days at 30°С, and their respective survival rates are 77.0% and 75.3%. The obtained data increase the effectiveness of planning measures to prevent the trichurosis of sheep, taking into account the period of development of the pathogen depending on the temperature of the environmentItem Efficacy of treatment measures for rabbit passalurosis(2023) Хорольський, А. А.; Євстаф’єва, Валентина Олександрівна; Мельничук, Віталій Васильович; Yevstafieva, V. O.; Melnychuk, V. V.Helminthes of Passalurus ambiguus species are one of the most common parasites of the intestinal tract of domestic rabbits both on industrial rabbit farms and private farms. The most effective way to treat and prevent passalurosis in animals at present is the use of anti-helminthic preparations, where determining the degree of their anti-parasitic effect is a topical direction of research. This will make it possible to raise the effectiveness of maintaining well-being on rabbit farms and the animals’ timely recovery from this infestation. The purpose of the study was to establish the effectiveness of treatment measures for rabbit passalurosis. The research was carried out on a private farm that was unfavorable as to passalurosis and on the basis of the Laboratory of Parasitology of Poltava State Agrarian University. The therapeutic efficacy of Brovermectin 1 % solution (the active substance is ivermectin), Brovalzen powder (the active substance is albendazole), Albendazole 7.5 % suspension (the active substance is albendazole) was tested in case of rabbit spontaneous passalurosis. It was established that on the 7th day of treatment, the indicators of extense-effectiveness and intense-effectiveness were, respectively: of Brovermectin 1 % – 50.0 and 64.31 %, Brovalzen powder – 70.0 and 82.63 %, Albendazole 7.5 % suspension – 60.0 and 60.9 %. On the 14th day of treatment, Brovalzen powder and Albendazole 7.5 % suspension turned out the most effective preparations for rabbit passalurosis, where the indicators of their extense-effectiveness and intenseeffectiveness reached 100.0 %. A lower therapeutic effectiveness was registered when using Brovermectin 1 % solution, which was injected to diseased animals. Its extense-effectiveness and intense-effectiveness made 60.0 and 80.9 %, respectively. Moreover, the indicators of the intensity of passalurous invasion on the 7th and 14th day of treatment were at the level of 4.20±1.27 and 2.50±0.75 eggs, and the indicators of the prevalence of passalurous infection were 50.0 and 40.0 %, respectively. The obtained results of experimental studies allow recommend antihelminthic oral preparations of domestic production Brovalzen powder and Albendazole 7.5 % suspension for effective treatment and prevention of rabbit passalurosisItem Epizootological monitoring studies of chicken heterakosis spreading on the territory of Poltava region(2023) Євстаф’єва, Валентина Олександрівна; Омельченко, О. В.; Yevstafieva, V. O.; Omelchenko O. V.Poultry breeding is one of the most promising branches of agriculture. Serious losses to this industry are caused by invasion diseases, including chicken heterakosis, which is widespread throughout the world. Heterakises cause pathological changes in the caecum, where various forms of typhlitises and enterohepatitises develop, and at high prevalence of infection, especially in young animals, lead to their death. The causative agent of the disease, Heterakis gallinarum nematode, is a parasitic organism environmentally adapted to the climatic conditions of many geographical zones, which contributes to its wide spreading. The purpose of the research was to investigate chicken heterakosis spreading based on the results of analyzing the reporting documentation of the State Food and Consumer Service in Poltava region during 2018–2023. The conducted monitoring studies have established that in the conditions of the investigated region, the share of heterakosis among contagious poultry diseases makes 7.62 %. Infective poultry diseases account for 8.57 %. At the same time, the share of invasion diseases among poultry virulent pathology reaches 83.81 %. The share of heterakosis among poultry invasion diseases was at the level of 8.33 %, where the share of protozoases was the largest (67.71 %). Nematodoses accounted for a smaller share (18.75 %). Cestodiases were most rarely detected in poultry (5.21 %). Among the protozoan, nematodous and cestodous poultry diseases on the territory of Poltava region, eimeriosis made the largest percentage (67.71 %). Among nematodoses, the share of ascariasis was 16.67 %, capillariasis – 2.08 %. Among cestodoses, drepanidoteniosis was detected, the share of which made 5.21 %. Analyzing the indicators of the prevalence of heterakosis infection found on the territory of poultry farms in Poltava region, it was found that chickens’ infestation rate with heterakosis pathogen ranged from 0.06 to 0.19 % with an average value of 0.1 %. The highest indicators of the prevalence of heterakosis infection were detected in 2019–0.19 %. During 2020–2022, the infestation rates of poultry with heterakises gradually decreased from 0.12 to 0.06 %. The results of monitoring studies point to the relevance of further investigating the epizootological peculiarities of chicken heterakosis on the territory of certain regions of UkraineItem Forticept® innovative products’ effectiveness for complex udder hygiene(2020-12) Шевченко, А.Н.; Фещенко, Д.В.; Бахур, Т.І.; Згозинська, О.А.; Yevstafieva, V. O.; Євстаф’єва, Валентина Олександрівна ; Сашук, Р.Н.; Стравський, Є.С.; Антіпов, А.А.; Melnychuk, V. V.; Мельничук, Віталій ВасильовичItem Morphobiological analysis of Trichuris vulpis (Nematoda, Trichuridae), obtained from domestic dogs(2019) Yevstafieva, V. O. ; Євстаф’єва, Валентина Олександрівна; Kravchenko, S. O.; Gutyj, B.; Melnychuk, V. V. ; Мельничук, Віталій Васильович; Kovalenko, P. N.; Volovyk, L. B.; Воловик, Лариса Борисівна; Кравченко, Сергій ОлександровичItem Morphological characteristic of Skrjabinema ovis (Nematoda, Oxyuridae) obtained from domestic sheep(2020-10) Melnychuk, V. V.; Мельничук, Віталій Васильович ; Решетило, О.І.Item Morphological Characteristics of Dicrocoelium dendriticum (Digenea, Dicrocoeliidae), Parasitizing Three Host Species in the Central Regions of Ukraine O. V. Kruchynenko(2020) Kruchynenko, O. V.; Mykhailiutenko, S. M.; Klymenko, O. S.; Kanivets, N. S.; Korchan, L. M.; Кручиненко, Олег Вікторович; Корчан, Леонід Миколайович; Михайлютенко, Світлана Миколаївна; Канівець, Наталія СергіївнаItem Morphological Characteristics of Parasitic Nematodes Trichuris sylvilagi (Nematoda, Trichuridae)(2022-06) Yevstafieva, V. O.; Євстаф’єва, Валентина Олександрівна ; Стибель, В.; Melnychuk, V. V.; Мельничук, Віталій Васильович ; Нагорна, Л.; Dmytrenko, N. I.; Дмитренко, Надія Іванівна ; Titarenko, O. V.; Тітаренко, Олена Вікторівна ; Дубова, О.; Makarets, S.; Макарець, Світлана Володимирівна ; Filonenko, S. V.; Філоненко, Сергій Васильович; Pishchalenko, M. A.; Піщаленко, Марина Анатоліївна; Kone, M. S.; Коне, Мохамед Сумана ; Ilchenko, A.; Ільченко, Алла МихайлівнаItem Morphological identification of Nematodirus spathiger nematodes (Nematoda, Molineidae) obtained from the small intestine of sheep(2021-05) Melnychuk, V. V.; Мельничук, Віталій Васильович ; Yevstafieva, V. O.; Євстаф’єва, Валентина Олександрівна ; Pishchalenko, M. A. ; Піщаленко, Марина Анатоліївна; Решетило, О.; Антіпов, А.Item Morphological variation of Varroa destructor (Parasitiformes, Varroidae) in different seasons(2020-03) Yevstafieva, V. O.; Євстаф’єва, Валентина Олександрівна ; Залозна, Л.М.; Назаренко, О.С.; Melnychuk, V. V.; Мельничук, Віталій Васильович ; Соболта, А.Г.Item Observations on the embryonic development of Trichuris sylvilagi (Nematoda, Trichuridae) under laboratory conditions(2021-08) Yevstafieva, V. O.; Євстаф’єва, Валентина Олександрівна ; Melnychuk, V. V.; Мельничук, Віталій Васильович ; Нагорна, Л.; Сибель, В.; Гутий, Б.; Яценко, І.; Petrenko, M. O.; Петренко, Максим Олександрович ; Нікіфорова, O.; Filonenko, S. V.; Філоненко, Сергій Васильович; Savenkova, O. O.; Савенкова, Олена Олександрівна ; Tahiltseva, Y. М.; Тагільцева, Яніна МихайлівнаItem Ovocidal action of glutaraldehyde and benzalkonium chloride mixture on Aonchotheca bovis (Nematoda, Capillariidae) embryogenesis(2020-08) Melnychuk, V. V.; Мельничук, Віталій Васильович ; Юськів, І.Д.; Піщаленко, Марина АнатоліївнаItem Pathogenetic relationship between kidney pathologies and the microcirculatory capillary layer in dogs under the influence of Babesia canis(2023-05) Дубова О.А.; Фещенко Д.В.; Yevstafieva, V. O.; Євстаф’єва, Валентина Олександрівна ; Melnychuk, V. V.; Мельничук, Віталій Васильович ; Дубовий А.А.With babesiosis in dogs, the capillary network is especially strongly affected due to the stimulation of the hemostasis system and the development of thrombus formation in the microvasculature. Acute renal failure and even death of animals are caused by shock phenomena and the syndrome of disseminated intravascular coagulation. Clinical, laboratory (hematological, biochemical, coagulometric, hemodynamic, enzyme immunoassay) methods of research were conducted. Dogs with babesiosis have fever, anemia, and hemoglobinuria, hematologically established anemia, systemic inflammation, thrombotic condition. Hemodynamic parameters determine the state of shock, which in dynamics becomes decompensated and irreversible. The appearance of poikilocytes in the blood of sick dogs indicates significant metabolic disorders in their body. The coagulogram reveals the syndrome of disseminated intravascular coagulation. Syndrome markers significantly changed with a trend to increase during nephropathy. In addition, uremia, hyperuricemia, hyperkalemia, hyponatremia, hyperphosphatemia, creatininemia were found in the sick dogs, which are reliable indicators and determine the development of an acute form of glomerulonephritis and progressive acute renal failure. According to the study of the general biochemical status in animals, hepatopathy in the form of acute hepatitis and pancreatitis, and general intoxication syndrome were established. In our findings: during acute spontaneous babesiosis, dogs developed nephropathy, which has two clinical stages: hemoglobinuria and oliguria/anuria. The pathogenetic basis for the development of glomerulonephritis and acute renal failure is the syndrome of disseminated intravascular coagulation in response to the influence of a pathogen, which causes shock, forming a vicious circle of shock. Under such conditions, renal failure increases and eventually leads to the death of the animal. The studied data will contribute to the expansion of the conceptual understanding of the pathogenesis of canine babesiosis and determine the leading role of complications in the development of kidney failure.Item Pathohistological changes in the intestine, lungs and liver of sheep with spontaneous strongyloidiasis(2021-08) Sorokova, S.; Yevstafieva, V. O.; Shchebentovska, O.; Barabolia, O. V.; Suprunenko, K. V.; Бараболя, Ольга Валеріївна; Євстаф’єва, Валентина ОлександрівнаItem Prevalence and co-infection of Baruscapillaria genus (Nematoda, Capillariidae) in domestic goose in Ukraine(2020-03) Yevstafieva, V. O.; Євстаф’єва, Валентина Олександрівна ; Єресько, В.І.; Melnychuk, V. V.; Мельничук, Віталій Васильович ; Бахур, Т.І.Item Prevalence of gastrointestinal helminths in ruminants in Ukraine: a 5-year meta-analysis(2021-10) Kruchynenko, O. V.; Mykhailiutenko, S. M.; Petrenko, M. O.; Kuzmenko, L. M.; Кузьменко, Лариса Михайлівна; Кручиненко, Олег Вікторович; Михайлютенко, Світлана Миколаївна; Петренко, Максим Олександрович