1·While the number of small fish is on the rise, the little swimmers are also being increasingly sought after for use as fishmeal in human-run fisheries, Christensen said.
虽然小型鱼类的数量正在上涨,人类有渐渐开始捕捉这些小鱼作为鱼粉等食物,克里斯坦森教授说。
2·The provision of undegradable protein(fishmeal or protected soya)to the diet of lactating dairy cows is not the best method to raise the protein content in milk and the milk yield.
给产奶牛补加过瘤胃蛋白质如鱼粉和保护的大豆饼粕对提高乳蛋白含量和乳产量并不是最好的方法。
3·While salmon in the wild eat a variety of things in the ocean farm raised ones eat a high fat feed made of other fish ground into fishmeal and as a result eat even more of those toxins.
研究人员认为,养殖业者将其他鱼类磨成的高脂肪鱼粉,拿来当成饲料,而野生大麻哈鱼吃的则是大海中的浮游生物,这导致人工养殖大麻哈鱼吃下比野生大麻哈鱼多出好几倍的污染物。