of the Urals

Russian Journal of Agricultural Research

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for Affairs of the Press, Television and Radio Broadcasting and Mass Communication Media.
Registration certificate: PI number 77-12831 on May 31, 2002
Subscription index in catalog «Russian Press» - 16356
ISSN 1997 - 4868 (Print)

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Journal is included in the list of VAK (from 25.09.2017), No. 291

ISSN 2307-0005 (Online)
Key title: Agrarnyj vestnik Urala (Online)
Abbreviated key title: Agrar. vestn. Urala (Online)

Аграрный вестник Урала № 01 (168) 2018

Биология и биотехнологии

Трухачев В. И. академик РАН, профессор Ставропольский государственный аграрный университет

Толоконников В. П. доктор ветеринарных наук, профессор Ставропольский государственный аграрный университет

Чепелева О. Д. аспирант Ставропольский государственный аграрный университет

УДК:УДК 636.5


 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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