Institute of Animal Sciences Chinese Academy of Agricultural Sciences Key Laboratory of Animal(Poultry)Genetics Breeding and Reproduction Ministry of Agriculture and Rural Affairs Beijing 100193 ChinaCollege of Animal Science and Technology Northwest A&F University Yangling 712100 China;
Institute of Animal Sciences Chinese Academy of Agricultural Sciences Key Laboratory of Animal(Poultry)Genetics Breeding and Reproduction Ministry of Agriculture and Rural Affairs Beijing 100193 China;
Institute of Animal Sciences Chinese Academy of Agricultural Sciences Key Laboratory of Animal(Poultry)Genetics Breeding and Reproduction Ministry of Agriculture and Rural Affairs Beijing 100193 China;
Institute of Animal Sciences Chinese Academy of Agricultural Sciences Key Laboratory of Animal(Poultry)Genetics Breeding and Reproduction Ministry of Agriculture and Rural Affairs Beijing 100193 China;
Institute of Animal Sciences Chinese Academy of Agricultural Sciences Key Laboratory of Animal(Poultry)Genetics Breeding and Reproduction Ministry of Agriculture and Rural Affairs Beijing 100193 China;
Institute of Animal Sciences Chinese Academy of Agricultural Sciences Key Laboratory of Animal(Poultry)Genetics Breeding and Reproduction Ministry of Agriculture and Rural Affairs Beijing 100193 China;
Institute of Animal Sciences Chinese Academy of Agricultural Sciences Key Laboratory of Animal(Poultry)Genetics Breeding and Reproduction Ministry of Agriculture and Rural Affairs Beijing 100193 China;
Institute of Animal Sciences Chinese Academy of Agricultural Sciences Key Laboratory of Animal(Poultry)Genetics Breeding and Reproduction Ministry of Agriculture and Rural Affairs Beijing 100193 China;
Institute of Animal Sciences Chinese Academy of Agricultural Sciences Key Laboratory of Animal(Poultry)Genetics Breeding and Reproduction Ministry of Agriculture and Rural Affairs Beijing 100193 China;
Institute of Animal Sciences Chinese Academy of Agricultural Sciences Key Laboratory of Animal(Poultry)Genetics Breeding and Reproduction Ministry of Agriculture and Rural Affairs Beijing 100193 China;
Institute of Animal Sciences Chinese Academy of Agricultural Sciences Key Laboratory of Animal(Poultry)Genetics Breeding and Reproduction Ministry of Agriculture and Rural Affairs Beijing 100193 China;
Institute of Animal Sciences Chinese Academy of Agricultural Sciences Key Laboratory of Animal(Poultry)Genetics Breeding and Reproduction Ministry of Agriculture and Rural Affairs Beijing 100193 China;
Institute of Animal Sciences Chinese Academy of Agricultural Sciences Key Laboratory of Animal(Poultry)Genetics Breeding and Reproduction Ministry of Agriculture and Rural Affairs Beijing 100193 China;
Beijing DQY Agricultural Science and Technology Co. Ltd. Beijing 100094 China;
College of Animal Science and Technology Northwest A&F University Yangling 712100 China;
Institute of Animal Sciences Chinese Academy of Agricultural Sciences Key Laboratory of Animal(Poultry)Genetics Breeding and Reproduction Ministry of Agriculture and Rural Affairs Beijing 100193 China;
Circadian rhythm; Hatching time; Insulin-like growth factor 1; Melatonin; Monochromatic green light; Pineal gland;