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4 饲粮VD3添加水平对黄羽肉种鸡蛋品质的影响

Table 4 Effects of dietary VD3 supplemental level on egg quality 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 蛋形指数 Egg shape index 1.33 1.32 1.33 1.34 1.33 1.34 0.01 0.695 0.377 0.672 蛋壳强度Shell strength, kgf 3.48b 3.69ab 3.88a 3.59ab 3.89a 3.46b 0.08 0.012 0.147 0.035 蛋壳厚度Shell thickness (μm) 0.306b 0.320ab 0.322a 0.320ab 0.319ab 0.317ab 0.01 0.049 0.162 0.008 蛋壳比例Shell rate (%) 8.51 8.63 8.54 8.65 8.54 8.59 0.08 0.920 0.765 0.959 蛋黄色泽 Yolk color 7.46 7.21 7.17 7.28 6.92 6.85 0.33 0.112 0.048 0.122 蛋白高度Albumen height (mm) 3.82 3.43 3.85 4.08 4.10 4.15 0.23 0.569 0.697 0.910 哈氏单位Haugh unit 53.85 57.23 53.40 56.83 56.14 58.00 2.22 0.637 0.415 0.712