目的：研究饲粮铬源和铬水平对热应激肉仔鸡免疫功能的影响。

Objective: To investigate the effects of dietary Cr source and level on immune responses in heat stressed broilers.

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目的：研究饲粮铬源和铬水平对热应激肉仔鸡免疫功能的影响。

Objective: To investigate the effects of dietary Cr source and level on immune responses in heat stressed broilers.

youdao