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7 饲粮VD3添加水平对子代肉鸡生长性能与胫骨指标的影响

Table 7 Effects of dietary VD3 supplemental level on growth performance of yellow-feathered broiler progeny

项目 Items VD3添加水平 VD3 supplemental level (IU·kg-1) SEM P 0 800 1600 2400 3200 4000 VD3 线性 Linear 二次Quadratic 存活率 Survival rate (%) 91.67 94.17 90.83 91.67 93.33 93.33 0.83 0.133 0.444 0.551 体重 BW (g) 2429.64 2465.42 2463.23 2432.72 2466.74 2536.31 16.53 0.860 0.112 0.291 日均增重ADG (g) 38.57 39.21 39.05 38.57 39.21 40.32 0.42 0.712 0.145 0.252 料重比 Feed/weight 2.62 2.58 2.59 2.62 2.58 2.52 0.04 0.525 0.311 0.239