| 摘要 |
PURPOSE: A chicken feed composition containing angelica gigas nakai is provided to improve the egg laying rate of chicken by enhancing the water solubility of active ingredients in the angelica gigas nakai. CONSTITUTION: A chicken feed composition containing angelica gigas nakai includes angelica gigas nakai granules obtained by the following steps: crushing angelica gigas nakai at -196~30deg C into the diameter smaller than 10micrometers: and mixing the obtained angelica gigas nakai powder with a binder, and inserting the mixture into a co-rotating type twin screw extruder with a conveying screw and kneading blocks for extruding.
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