144 broilers were used to shndy the effects of chromium picolinate on serum fat of broilers in high density stress.
在144只试验肉仔鸡日粮中添加5种水平的吡啶羧酸铬,另设一组对照组,研究吡啶羧酸铬对高密度应激下肉仔鸡血清脂类的影响。
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