聚合草，又名紫草根，是一种优质的饲料作物，俗称俄罗斯饲料菜。利用饲料菜喂猪，可以节省一大半粮食。种植一亩俄罗斯饲料菜，可以喂三十多头育肥猪或一百多头小猪。用配合饲料加聚合草喂猪，每斤猪的全部喂养成本不到一元钱。聚合草还可以饲喂鸡、鸭、鱼、兔、羊、牛，适口 Aggregated grass, also known as comfrey root, is a high-quality forage crops, commonly known as Russia’s food. Feeding pigs with food can save more than half of food. Planting a mu of Russian feed dishes, you can feed more than thirty fattening pigs or more than a hundred pigs. Pig feed with synthetic feed plus grass, pigs per kilogram of all feeding costs less than a dollar. Poly grass can also feed chickens, ducks, fish, rabbits, sheep, cattle, palatability