| A | B |
| feed | a product eaten by animals that contains nutrients |
| digestible nutrient | the part of a feedstuff that can be digested |
| ration | the amount of feed an animal gets in 24 hours |
| protein | substance needed for maintenance & growth |
| carbohyrates | sugar, starch, and related substances |
| roughage | feedstuff low in energy and high in fiber |
| permanent pasture | grasses and legumes that live and grow for years |
| concentrate | afeedstuff high in energy and low in fiber |
| palatability | describes how well an animal like to eat it |
| scheduled feeding | providing feed at certain time of the day or night. |