Although the parasite vaccine which are made by protoscolex,cyst liquid,cyst membrane,worm egg,oncosphere,adult worm and adult worm secretion have definite immunity protection,but it is difficult!

• 棘球蚴病基因工程重组抗原疫苗研究已取得突破性进展,实验室研究试验羊减囊率达到90%25以上,田间试验减囊率在80%25以上,在我国即将商品化应用。