Figure 7.4. Chewing behavior of steers (Experiment 7B) fed tall fescue and switchgrass hays of increasing maturity expressed as chews/min (⬛️), chews/gram dry matter (▲), chews/gram neutral detergent fiber (▢), chews/gram of in vitro dry matter disappearance (⚫️), chew/bolus ◯), and minutes of chewing activity/bolus (△).