| 1 | All cow households fed corn stover as main forages. | |
| 2 | The reason are related to the extensive feeding and badroughage quality. | |
| 3 | To shatter this kind of forage depends mainly on cutting and rubbing. | |
| 4 | To raise pigs mainly with coarse fodder can reduce the cost of feed. | |
| 5 | Insoluble fiber, commonly called "roughage", promotes a healthy digestive tract. |