of the Urals

Russian Journal of Agricultural Research

The publication is registered by the Ministry of the Russian Federation
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)

The Journal is included in the list of the leading peer-reviewed scientific journals and publications, which should be published by the main results of theses for the degree of doctor and Ph.D.
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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 № 04 (158) 2017

Биология и биотехнологии

Тихонова Н. В. кандидат технических наук, доцент Уральская государственная академия ветеринарной медицины

Тихонов С. Л. доктор технических наук, доцент, проректор по научной работе, заведующий кафедрой Уральская государственная академия ветеринарной медицины

Приймак А. О. аспирант Южно-Уральский государственный аграрный университет



 To prevent deviations in meat formationin the course of autolysis in a diet of farm animals and birds, various feedadditives and antistress medicines are used. The problem of diagnostics of meatformation of meat with DFD and PSE-properties during lifetime of slaughteranimals and poultry for the purpose of decrease in his quantity is urgent formeat industry branch. One of the main reasons for formation of meat of henswith deviations in the course of autolysis is low resistance to stress. As aresult of the conducted complex researches the way of diagnostics of resistanceto stress of broilers consisting in determination of amount of glucose in bloodplasma in an alarm stage after influence a stress factor (intramuscular introductionto a small beard of 0.1 ml of 60 % of solution of turpentine) is developed. It isestablished that for the stress-induced chickens development of oxidizingstress (the maintenance of the half-yen bases in heptanew fraction of lipids 8.6% lower, diene congats – 7.2 %, ketodienes with the interfaced trienes is characteristic – 21.2 %,Schiff's basis is 20.0 higher, activity of catalase in plasma is 17,1 % lower,superoxide dismutases – by 18,7 %). Influence of stress-resistance in broilerson the duration of carcass storage has been investigated: from 0–2 ℃ andrelative humidity of 85 %. High activity of oxidizing processes at storage isnoted (number of samples of fat of stress-resistant broilers is 25,0 % higher;31,6 % and 45, 0%, acid number higher by 14,3 %; 28,0 % and 32,5 % after 3; 5 and 7 days of storage respectively. The coefficient of heatdiffusivity of meat of stress-resistant broilers is 7 % higher, the heatconductivity coefficient – by 15 %, experimental coefficient of specific heatis 6 % lower. The obtained data on resistance to stress of broilers confirmexpediency of precaution against the formation of meat with deviations in thecourse of the autolysis, and results of researches of meat with PSE propertiesallow to consider his characteristics by production of meat products.


stress, meat quality, meat products.


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