Free‐range system and supplementation of 25‐hydroxicholecalciferol increases the performance and serum vitamin levels in mixed‐parity sows von Panisson, Josiane C., Oliveira, Nathália C., Sá‐Fortes, Cristina M., Passos, Adsos A., Silva, Claudia C., Araújo, Wagner A. G., Lopes, Idael M. G., Costa, Gleison M. S., Ataíde, Iara Q., Silva, Bruno A. N.

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