(Little Giant) The 9-Quart Hook Over Trough is ideal for goats, sheep, llamas, and alpacas. When feeding multiple animals together, the narrow design and metal grid help minimize pushing and fighting. Made of tough, impact-resistant polyethylene. 9-Quart Hook Over Trough mounts on any 2" wide board or on wire livestock panels. 37.75"L x 8.44"W x 4.72"H.