Warm-season grasses, also called C4, are the predominant forages for ruminant production in Florida. The C4 grasses grow well under high temperatures and generally cultivated between 25 N and 25 S of the equator. The C4 grasses are more efficient in fixing carbon dioxide than other grasses; however, they have a specialized thick-walled parenchyma bundle sheath around each vascular bundle, and m...