快大型黄羽肉种鸡VD3需要量研究

王一冰,陈芳,苟钟勇,李龙,林厦菁,张盛,蒋守群

Requirement of Vitamin D3 on Fast-Growing Yellow-Feathered Breeder Hens

WANG YiBing,CHEN Fang,GOU ZhongYong,LI Long,LIN XiaJing,ZHANG Sheng,JIANG ShouQun

表3 饲粮VD3添加水平对黄羽肉种鸡产蛋性能的影响

Table 3 Effects of dietary VD3 supplemental level on performance of yellow-feathered breeder hens

项目 Items VD3添加水平 VD3 supplemental level (IU·kg-1) SEM P 0 800 1600 2400 3200 4000 ANOVA 线性 Linear 二次 Quadratic 产蛋率Laying rate (%) 53.77 58.02 56.77 56.75 56.55 57.46 0.94 0.071 0.059 0.111 平均蛋重Average egg weight (g) 61.70b 63.28a 62.73ab 61.98ab 62.31ab 62.53ab 0.29 0.024 0.840 0.855 日均产蛋重Average egg mass (g) 33.85 36.71 35.52 35.51 35.04 36.42 0.70 0.201 0.257 0.505 料蛋比 Feed/Egg mass 3.61 3.32 3.47 3.44 3.48 3.36 0.07 0.160 0.322 0.394 破蛋率Broken egg rate(%) 2.30 1.75 1.71 1.50 1.81 2.06 0.19 0.150 0.433 0.014 不合格蛋率Unqualified egg rate(%) 1.52 0.78 1.38 0.57 0.90 1.36 0.31 0.125 0.171 0.395 存活率 Survival rate(%) 99.17 100.00 98.33 100.00 100.00 100.00 0.57 0.186 0.772 0.530