水葫芦原产于南美洲,本为一种著名观尝植物。在湖北、湖南、江西及浙江等省均有驯化种存在。其繁殖力特别强,常可使河道梗塞。过去均未注意到它,更少利用它。近年来由于牲猪生产的发展和提倡用青粗饲料喂养,各地农民已有利用水葫芦的习惯,但是尚不够普遍。生产实践和试验研究证明:水葫芦是牲猪的好饲料,不同品种,不同阶 Water hyacinth native to South America, this is a famous concept plant. In Hubei, Hunan, Jiangxi and Zhejiang provinces have domesticated species exist. Its fertility is particularly strong, often can make the river infarction. Did not notice it in the past, use it less. In recent years, due to the development of pig production and the promotion of green roughage feeding, peasants in all parts of the country have used the habit of water hyacinth, but this is not yet widespread enough. Production practices and experimental studies have shown that: water hyacinth is a good feed for pigs, different varieties, different order