Cant breed pigs.

Put the summary of the bug you're having here
If we try to breed a pig it won't happen.
What I expected to happen was...:
I wanted the pig to breed properly and it just won't work.

What actually happened was...:
If we try to breed the pig with a carrot or a potato it won't go into love mode and it won't breed.

Steps to Reproduce:
1:Find a couple of pigs.
2.Try to breed them with a potato or carrot.
3. They won't go into love mode or they won't breed.