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美国一家养鱼场经过试验证明,在鱼的配合饲料中加入一定量的高粱,可加快鱼的生长速度和增加产量,使用的高粱要先磨成粉,添加量以50％为宜。据
A fish farm in the United States has been proved through experiments that adding a certain amount of sorghum to the fish feed can speed up the growth of fish and increase the yield of the sorghum. according to