For citations:
Zharikov Y.A., Kaneva L.A. Efficiency of crossing ewes of the Pechora breed with rams of the Ostfriesian breed in the conditions of Far North. Agricultural Science Euro-North-East. 2020;21(4):443-452. (In Russ.) https://doi.org/10.30766/2072-9081.2020.21.4.443-452
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