Researchers at the University of Exeter, in England, fed one group of young roaches a well balanced diet of high protein fish food and oatmeal.

• 来自英国艾克斯特大学的研究人员做了实验，他们给一组蟑螂喂食燕麦和一些高蛋白的鱼类食物，给它们健康均衡的饮食。