Abstract
Differences in milk productivity between groups of Black Pied first-calf heifers depending on housing method are determined. Seasonal changes in the indices of immunoglobulin classes G and M are established. The characteristics of daughters of bulls of different origin with respect to the investigated immunoglobulin classes are revealed.
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Original Russian Text © M.A. Eremina, I.Yu. Ezdakova, N.A. Popov, V.L. Liepa, 2013, published in Doklady Rossiiskoi Akademii Sel’skokhozyaistvennykh Nauk, 2013, No. 2, pp. 46–48.
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Eremina, M.A., Ezdakova, I.Y., Popov, N.A. et al. Level of main immunoglobulin classes in blood serum of first-calf heifers with different methods of housing and origin. Russ. Agricult. Sci. 39, 268–270 (2013). https://doi.org/10.3103/S1068367413030075
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DOI: https://doi.org/10.3103/S1068367413030075