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Aglyulina A.R., Leutsky V.L. AGE AND SEASONAL VARIABILITY OF NONSPECIFIC DEFENSE FACTORS OF BULL CALVES’ ORGANISM WHICH ARE FROM ECOLOGICALLY HETEROGENEOUS AREAS OF ORENBURG REGION [№ 9 ' 2007] The influence of seasons, and also different ecological conditions on variability of factors of nonspecific defense of bull calves’ organism of different age groups (from birth till six-month) in comparison with control group from farms of Orenburg region. |
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Editor-in-chief |
Sergey Aleksandrovich MIROSHNIKOV |
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