飼い桶 is read as かいおけ (kaioke) and means manger.
かいおけ
kaioke
かいばおけ
manger
しいく
breeding
かう
to keep (a pet or other animal)
かいいぬ
pet dog
かいぬし
(pet) owner
しりょう
fodder
かいねこ
pet cat
しいくいん
caretaker (at a zoo or aquarium)
しいくじょう
breeding ground
しいくしつ
breeding facility (e.g. lab. animals)
かいば
かいいぬにてをかまれる
to be betrayed by a trusted follower