Cannot milk a cow, get one bucket of milk in inventory. Try to milk again and you are forced to drink the milk and not able to collect for inventory.
MCPE-11712
Milking cows
Resolved
Duplicate
0
Laura Smith
(Unassigned)
Unconfirmed
Tablet - Android - Amazon Kindle Fire HD
0.13.0
Retrieved
You should use
Bucket, notMilk