Earlier quoted context omitted.
Hopefully you don't have to be a Buddhist for that. Also I don't really see the advantage compared to sterilization.
Even though in certain Buddhist countries animals get slaughtered for food, taking lives of animals is a big thing in Buddhism. There is fundamentally no difference between animal consciousness and human in the buddhist view. But to take it to a human level: you dont see a difference in (chemical) castration of people with mental disability and killing them?
taking lives of animals is a big thing in Buddhism
How do explain (South) Korea and Japan that eat plenty of meat and have a Buddhist majority? Sri Lanka also has lots of Buddhists, and also eats lots of meat. This seems like nonsense to me.