Agrarian
Bulletin
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)

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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 № 10 (152) 2016

Биология и биотехнологии

Исаева А.Г. кандидат биологических наук, доцент Уральский научно-исследовательский ветеринарный институт Россельхозакадемии

Кривоногова А. С. кандидат биологических наук, доцент Уральский государственный аграрный университет

Суздальцева М. аспирант Уральский научно-исследовательский ветеринарный институт

Моисеева К. В. аспирант Уральский государственный аграрный университет

УДК:619:618:636.2

ASSESSMENT OF XENOBIOTIC CLEARANCE IN PRODUCTIVE ANIMALS UPON ITS ALIMENTARY INTAKE

 Distribution and accumulating of xenobiotics in the environment exertsadverse impact on the biotic component of ecosystems which is especiallyimportant in case of the animals and plants included in a trophic chain of man.The research purpose was to carry out the analysis of content of heavy metalsand radionuclides in the diet of productive cows in a conditionally clean zoneand a zone with the increased background content of zinc, copper, iron, lead,cadmium and low-level radiation environmental pollution, and also to studyinterrelation between alimentary receipt of xenobiotics in an organism andtheir clearance through urine and excrements. Productive cows of Holstein breed2–3 lactations on three dairy and commodity farms located in zone VURS (2) andin the conditional and net zone (1) remote from sources of anthropogenic issueon distance more than 200 km were chosen as the object for the research. Weanalysed the content of metal pollutant and radionuclides of strontium-90,caesium-137 and lead-210 in components of a daily diet and forage mix forcattle in the zone with intensive industrial and low-level radiation pollutionand in the conditionally clean zone. The analysis of manure and urine ofanimals on content of anthropogenic pollutant was carried out. It wasestablished that alimentary receipt in an organism of metal pollutant andradionuclides 90Sr and 137Cs in the quantities which are on the upper bound orexceeding MDU correlates with the level of clearance of these xenobioticsthrough excrements and urine. In the zone of anthropogenic pollution content ofpollutant in manure of animals significantly exceeds a similar indicator in theconditionally clean zone.


Keywords:

Keywords: feeding animals, xenobiotics, radionuclides, heavy metals, clearance.


References:

References

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