Feed additives for ducks - CHEUNG LING YUK
[0100] A biological feed additive comprising all four yeast cell components was prepared by mixing dried cells of each component with zeolite powder (less than 200 mesh) at a ratio of 1×10 9 yeast cells per gram of zeolite powder. For every 995 kg of basic feed, 5 kg of the yeast and zeolite powder mixture was added, yielding an additive that ...
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