Influence of environmental factors on the attack activity of bloodsucking black-flies
Journal Title: Бюлетень "Ветеринарна біотехнологія" - Year 2017, Vol 30, Issue
Abstract
Introduction. The black-flies in the Ukrainian Polissya often predominate in number among the other of bloodsucking insects, forming foci of different activity. When bitten secreted potent hemolytic toxin, they cause pathological phenomenas in different kinds of animals recognized as simuliidotoxicosis. Note the fact that black-flies are a threat as carriers many of pathogens of infectious and parasitic diseases also. The goal of the work. To study the main factors that affect the seasonal and daily activity of bloodsucking black-flies and nature simuliidotoxicosis appearance in the West Polissya of Ukraine.Materials and methods. Epizootic monitoring was conducted by retrospective analysis of veterinary statistics and summarizing the results of years of research conducted by a team of Laboratory of Parasitology of Research Station Epizootology of IVM of NAAS. Year-round supervision and collections of black-flies we conducted at fixed points and method of routing within Rivne and Volyn regions, exploring different types of watercourses. Results of research and discussion. The risk of disease depends on the availability of environmentally favorable conditions for mass breeding black-flies, where the number of larvae and pupae more than 100 individuals per 1dm2 aqueous substrate. The development of black-flies determined by environmental factors habitats leading role among which belongs temperature and water flow rate. There are two peaks of activity attack black-flies: spring (May) and summer (August). According to the classification daily rhythms insects, the daily activity of the bloodsucking black-flies can be attributed to short morning and evening type. Conclusions and prospects for further research. The main factors that determine the beginning of intensity the attack black-flies and its termination in the spring and early of summer periods is the temperature, in summer is lighting, in autumn, when increasing the number of days of cloudy weather, black-flies attack throughout the daylight hours.
Authors and Affiliations
Sergey Katyukha
Keywords
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- EP ID EP267297
- DOI 10.31073/vet_biotech30-10
- Views 110
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