I heard something to do with Nitrogen and …cow farts(?) I am really unsure of this and would like to learn more.
Answer -
4 Parts
- Ethical reason for consuming animals
- Methane produced by cows are a harmful greenhouse gas which is contributing to our current climate crisis
- Health Reasons - there is convincing evidence that processed meats cause cancer
- it takes a lot more calories of plant food to produce the calories we would consume from the meat.
Details about the answers are in the comments
Fair enough, it seems like it is waste from soybean oil most of the time. However, it does make me wonder why such an enormous amount of soy is cultivated. >75% is used for animal feed (and oil, indeed). (source). I wonder if it’s a similar situation as with corn in the US and the resulting use of HFCS.