Ondersoek na die invloed van verskillende energiekonsentrasies op die benutbaarheid van protei enbronne deur die herkouer met spesiale verwysing na tegnieke vir protei enevaluasie | An investigation into the influence of different energy concentrations on the utilization of protein sources by ruminants with special reference to the technique of protein evaluation

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Библиографическая информация