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Effects of different LEd light colors on growth performance and harmful gas emission of broilers breeding in a digital rearing chamber

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International Journal of Agricultural and Biological engineering 2022年第4期15卷 71-78页

作者： dengfei Jie Zhanxiang Zhang Jincheng He Yafang Zhou Guangyou Zhu College of Mechanical and electrical engineering Fujian Agriculture and Forestry UniversityFuzhou 350002China Fujian Key Laboratory of Agricultural information Sensoring Technology Fuzhou 350002China College of engineering Huazhong Agriculture UniversityWuhan 430070China

Refined management is an inevitable trend in the development of livestock *** acquisition of breeding environment parameters is beneficial to improve breeding efficiency while reducing environmental *** is an important breeding environmental factor during broiler *** this study,a short-term broiler breeding experiment was conducted with different light color illumination environments in a digital breeding chamber under lab *** to experimental results,the Red Light(RL)group was conducive to the growth of broilers at 30 d of age with low NH3 emission concentration;the Green Light(GL)group inhibited the broiler growth;the Yellow Light(YL)group showed the highest average emission concentration of NH3 and lowest daily average emission concentration of CO_(2).According to the analysis of moisture content,ph value,and C/N in the broiler manure,it can be concluded that the physical and chemical properties of broiler defecation quantities were different under various light color illuminations,resulting in the difference in broiler growth conditions and harmful gas *** study results could provide a research basis and ideas of reference to establish a relationship between LEd illumination information,broiler growth performance,and harmful gas emission.

关键词： broiler growth properties harmful gas ammonia illumination environment

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