1963•Rocznik nauk rolniczych. Seria B. ZootechnikaRequires access
Addition of vitamin B12 or Co to all-vegetable diets containing soya bean meal for meat pigs. 1. Influence on weight gain, feed utilisation, N retention and digestibility of the ration.
U. Grzeszczak-swietlikowska, F. Abgarowicz
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