The percentage of sheep and goats aged yearling, 2, 3, 4,5, 6, and over 6-year was 30.36, 20.91, 17.02, 12.53, 10.14, 6.53 and 2.51respectively, and the proportion of ram, ewe, wether was 4.17%: 86.55%: 8.98%respectively in the flocks examined.
英
美
- （2）羊群年龄结构：羔羊与1岁、2岁、3岁、4岁、5岁、6岁和大于6岁羊分别占羊只总数的30.；36%25、20
