Effect of supplementing layer hen diet with
2018-12-1 · Laying hens in the control group were given a corn-soybean-basal diet in mash form without phytogenic additives. The remaining three groups were given the same basal diet supplemented with an additional 0.5% (5 kg/t) of fennel seeds in powder form (T1), black cumin seeds in powder form (T2) or hot red pepper (T3).
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