伊莎粉家禽界优良品种,死淘率极低,抗病力强,料蛋比低、产蛋率极高、维持时间长,蛋壳强度高的优势,深受家禽界的青睐和厚爱,商品代为白色,羽色一致、蛋色一致是该品种所特有。
成活率
18-60周龄.............................................................95.4%
18-72周龄................................................................94%
耗料
产蛋期日耗料(g).............................................110-115克
料蛋比(21-74周)......................................................2.1:1
体重
12周龄(kg)....................................................1.01-1.05
20周龄...............................................................1.66-1.74
32-72周龄............................................................1.9-2.01
产蛋期
50%产蛋率周龄....................................................20-21周
高峰产蛋周龄(94.5-95%)......................................25-28周
90%产蛋率的周龄数(94.5-95%).................................22周
入舍产蛋数
18-60周龄(枚)...................................................242-255
18-72周龄(枚)....................................................308-316
蛋重
28周龄蛋重(g)............................................................60
40周龄蛋重(g).......................................................62-63
60周龄蛋重(g).......................................................64-65
72周龄蛋重(g).......................................................65-66
蛋品质量
32周龄时 66-72周龄时
哈氏单位...........................86.5—87.55 78.5—81.5
比重...............................1.088—1.089 1.080—1.086
羽毛颜色
白色