flake
n.— «A flake of hay refers to as section approximately 2 to 3 inches wide.» —by North American Limousin Foundation Feed a Winner May 22, 2003. (source: Double-Tongued Dictionary)
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...