flake
n.— «A flake of hay is about 20 lbs so each cow would get about a 1â„4 of a flake.» —“Feeding” by School of Veterinary Medicine in University of Wisconsin-Madison SVM Dairy Teaching Herd—Employee Training Sept. 18, 2003. (source: Double-Tongued Dictionary)
Further reading
Among ham radio enthusiasts, the word Elmer has become an affectionate term for an experienced ham radio operator who mentors a novice. It’s also used as a verb: Elmering someone means helping a new ham. The term was coined in a 1971 magazine...
To describe something tiny or insignificant compared with something vast, you might reach for phrases like a drop in the ocean or a drop in the bucket. In Mandarin, there’s an equally picturesque phrase that translates as nine cows, one hair, 九 牛 一...
When hay gets baled, it gets compacted by a little arm. When you cut the baling wire around that bale, it separates into ‘flakes’, where a flake is the amount of hay in one compaction.
You then might feed a horse a couple flakes of hay.