Why do rabbits like carrots? Where did it come from?

This cartoon originated in bugs bunny in 1940. The painters shaped this wild rabbit into a bohemian hooligan, and the carrot in his hand was more like a cigar, posing as a human being, which was very funny. Then, from cartoon short films to feature films, rabbits regard carrots as their symbolic food. The story that Tutu loves carrots has been passed down to this day.