Standlee Premium Products Flock Fresh is an excellent choice for all-natural, absorbent, and biodegradable bedding for chickens and other poultry. Flock Fresh is made by chopping wheat or barley straw into approximately 4’ pieces and blending it with zeolite and alfalfa leaves. Scientifically, formulated, Flock Fresh creates a comfortable and dry roosting area while reducing ammonia odors.