From April 18 to May 4, 1995. one experiment was conducted to evaluate the efficacy of arsanilic acid and Roxarsaiie (another arsenic supplement) lor growing pigs.
为验证阿散酸和洛克沙生用于生长猪的效果，于1995年4月18日至5月4日在开封进行试验。
From April 18 to May 4, 1995. one experiment was conducted to evaluate the efficacy of arsanilic acid and Roxarsaiie (another arsenic supplement) lor growing pigs.
为验证阿散酸和洛克沙生用于生长猪的效果，于1995年4月18日至5月4日在开封进行试验。
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