Аграрный вестник Урала № 01 (168) 2018Биология и биотехнологии
PATHOLOGICAL PROJECTION OF THE FUNCTIONING OF THE PARASITIC SYSTEM WITH WOLFARTIOSIS OF SHEEP
Authorsdescribe pathologic features of functioning of parasitic system with wolfartiosisof sheep, as anindicator of the pathogenic nature of the impact of parasitic larvae W. magnifica on the host organism. Foundthat the functioning of the parasitic system in the obligate wolfartiosis is characterized by molecular-biochemicalrelationships, which are valid only in the preservation of parasites and their host’sproperties of living organisms in the time interval of existence of theparasitic system. The structure of spatial relations agents’ of wolfartiosis with the owner is characterized by larval parasitism.Larvae W. magnifica are not trueparasites because of their inability to breach the integrity of the skin of thehost and the inability to parasitize on intact skin. They are endoparasites andare classified as half-sunk in the tissue of the host. This method ofparasitism is called a transition; it is due to the relative youth ofevolutionary dipteran insects and their relatively recent transition toparasitism. Ontogeny leveling phases of W.magnifica continues 5–6 days. Parasites feed on tissues and blood of thehost. In the development of myiasis, the larvae secrete enzymes of the salivaryglands in the surrounding tissue of the host organism, where is theirhydrolytic effect. Histomorphological changes with wolfartiosis demonstrated: the formation of extensive destructiveprocess, edema surrounding tissue; disruption of the stroma and structuralelements; severe circulatory disorders, hyperemia, the formation of red bloodcell stasis, aggregation of red blood cells; perivascular hemorrhages, hydropicdegeneration of the cell elements, necrosis of the tissue; polymorphonuclearleukocyte infiltration of the affected organs and tissues; the presence ofblood vessels in the granulation tissue opening into the lumen of the wound.
Keywords: wolfartiosis, parasitic larvae, sheep, pathological changes, host organism.
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