中国畜牧杂志2017,Vol.53Issue(7):107-112,6.DOI:10.19556/j.0258-7033.2017-07-107
光照时间和强度互作对黄羽肉鸡生长性能和免疫功能的影响
The Interaction Effect of Photoperiod and Light Intensity on Growth Performance and Immune Function of Broilers
摘要
Abstract
This study was conducted to evaluate the interaction effect of photoperiod and light intensity on the growth performance and immunity of broilers.A total of eight hundred and forty,Lingnan yellow-feathered broilers at age of 1 days were randomly allocated into 4 groups with 3 replicates per group and 70 chicks replicate.The treatments consisted of 2 photoperiod (constant lighting(CL,24L:0D)and intermittent lighting (INL,3D:1L))and exposure to 2 light intensities (10 Lx and 30 Lx).The trial was split into starter (1~21 d) and finisher (22~50 d) phases.The results showed as follows:Compared with CL,INL significantly increased the FI during 1~21 d,and FI,ADG during 22~50 d,the F/G of broilers was lower as well.Intermittent lighting significantly enhanced the index of spleen and bursa of fabricius (g/kg of BW) at 21 d and spleen and thymus index at 50 d,as well as the IgM concentration in serum (P<0.05).There was no significant effect of light intensity on growth performance and the index of immunity.There was no interaction effect between photoperiod and light intensity as well.In conclusion,3D:1L and 10 Lx can not only improve growth performance and the immunity of broilers,but also save power.关键词
光照时间/光照强度/黄羽肉鸡/生长性能/免疫功能Key words
Photoperiod/Light intensity/Lingnan Yellow broiler/Growth performance/Immune function分类
农业科技引用本文复制引用
王倩,郑兰,王江水,郭天宇,占秀安..光照时间和强度互作对黄羽肉鸡生长性能和免疫功能的影响[J].中国畜牧杂志,2017,53(7):107-112,6.基金项目
国家重点研发计划(2016YFD05005) (2016YFD05005)
国家现代农业产业技术体系(CARS-42-G19) (CARS-42-G19)