When night arrives all animals will despawn. This doesn't just happen during the night so when making farms it it close to impossible because once you leave the chunk that the animal is in it despawns. This has happened on pretty much all of my minecraft worlds.
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[Mod] OcelotOnesie
migrated
Thank you for your report!
We're actually already tracking this issue at MCPE-21416, so I will resolve and link this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
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