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为探讨复合矿物质添加剂对蛋鸡生产性能及蛋品质的影响,将11 200只29周龄海兰褐蛋鸡随机分为2组,每组8个重复,每个重复700只鸡。试验组在基础日粮中添加0.25%复合矿物质,对照组饲喂基础日粮。定期采集生产性能数据和测定蛋品质。结果显示,日粮中添加0.25%复合矿物质后,蛋鸡产蛋率下降幅度变缓,死淘率下降,蛋黄颜色和蛋壳颜色显著加深(P<0.05)。研究结果为无抗养殖的促生长添加剂选择提供了参考。
To investigate the effect of composite mineral additives on the performance and egg quality of laying hens, 11 200 Highland brown hen, 29 weeks old, were randomly divided into 2 groups with 8 replicates in each group and 700 chickens per replicate. The experimental group added 0.25% composite minerals to the basal diet, and the control group fed the basal diet. Regular collection of performance data and determination of egg quality. The results showed that the rate of laying hens decreased slowly, the rate of death increased, and the color of egg yolk and egg shell significantly deepened (P <0.05) after adding 0.25% composite mineral into diet. The results provide a reference for selection of growth-promoting additive without anti-culture.