Increasing dietary vitamin D3 improves the walking ability and welfare status of broiler chickens reared at high stocking densities

Autor: Sun, Z.W., Yan, L., G, Y.Y., Zhao, J.P., Lin, H., Guo, Y.M.
Zdroj: In Poultry Science 1 December 2013 92(12):3071-3079
Databáze: ScienceDirect
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