However, in the us, high-tech cannibalism - the use of performance-enhancing dairy feed whose protein comes from slaughterhouse waste, blood and manure to feed farm animals - still prevails.

然而，在美国，高科技同类互食—使用促进生长的乳牛饲料(饲料中的蛋白质来自屠宰厂废弃物、血液和粪便)来喂养农场动物—仍然盛行。

youdao

However, in the us, high-tech cannibalism - the use of performance-enhancing dairy feed __ 4 __ protein comes from slaughterhouse waste, blood and manure to feed farm animals - still prevails.

然而，在美国，高科技同类互食—使用促进生长的乳牛饲料(饲料中的蛋白质来自屠宰厂废弃物、血液和粪便)来喂养农场动物—仍然盛行。

youdao

Dr Joseph Adelegan from Nigeria has seen poverty first hand in Africa where he worked closely with villagers to convert slaughterhouse waste to gas they use for cooking.

CNN: Doha - round table highlights