The most expensive beef in the world is the type of beef coming from the Wagyu cows from Japan. 200 grams of a fillet cost in Europe more than 100 dollars.
世界上最贵牛肉是来自日本的日本和牛肉，在欧洲200克就要卖到100多美元。
2
Another type of tapeworm can infect beef.
另一种绦虫可以感染牛肉。
3
Methods: 1. The collagen solution used in the experiment was the soluble beef tendon collagen, with the main ingredient being type I collagen.