Animania bug(?) - Goats turned into cows

[FirstFloop]

So while building my house, I put up a small fence (maybe 7x7) where I "stored" some Angora Goats. But now that I returned after building a farm elsewhere, I've found that all my goats have been replaced with cows! There is still exactly the same amount of males and females, and the females are still pregnant as far as I can tell. There is no way for the goats to escape or for other animals such as wolves to come into the enclosure. They have enough flowers, grass, and water, so they couldn't have starved either. Any ideas?

Edited February 14, 2018 by FirstFloop

[vpontin]

That's not the place to post mod problems, only issues with Minecraft Forge. For Animania go to its github (https://github.com/capnkirok/animania/issues) and create a ticket