采用种植阔叶牧草,结合利用甘薯藤、胡萝卜等农副产品的形式种草养猪。猪是单胃动物,对粗纤维的利用能力较低。种草养猪宜选用菊苣、串叶松香草、俄罗斯饲料菜、苦荬菜等阔叶牧草品种。前三者为多年生牧草,鲜草 The use of planted broad-leaved grass, combined with the use of sweet potato vine, carrots and other agricultural products in the form of grass pigs. Pigs are monogastric animals with low utilization of crude fiber. Breeding pigs should use chicory, clove leaf vanilla, Russia feed dishes, bitter larvae and other broadleaf forage species. The first three are perennial grass, fresh grass