noun
A trough or box for feeding livestock, especially horses and cattle. The word is straightforward and neutral.
馬に飼い葉桶から干し草を与えた。
I fed the horse hay from the manger.
牛舎の飼い葉桶に餌を入れる。
Put feed into the crib in the cowshed.
Compound of 飼い葉 (かいば, 'fodder, feed') and 桶 (おけ, 'bucket, tub').