| 摘要 |
PURPOSE: Stock feed containing ammonium sulfate and sulfur except for conventional stock feed is provided which does not need heating of sulfur when used. CONSTITUTION: In the method for producing stock feed, 220g ammonium sulfate and 100g sulfur are mixed with 25kg conventional stock feed. The sulfur is used as raw material without heating and the ammonium sulfate as raw material has an effect on absorbing poisonous heat of sulfur contained the stock feed when fed to a duck.
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