DCP % is highest for

Answer: Option A

DCP % is highest for Lucerne hay.
Lucerne hay, also known as alfalfa hay, is a highly nutritious forage that is commonly used as a feed for livestock such as horses, cattle, and goats. It is a prime quality hay that is the source of vitamins A, K, E, and helps boost your horse's protein and calcium levels.
DCP is Digestibilty Co-efficient x CP. Where CP represents crude protein content of the feed. Total Digestible Nutrients. It is a measure of apparent digestible energy, but it is expressed in units of weight or percent rather than energy per second.