This standard specifies the basic conditions for measuring the production performance of laying hens, requirements for tested varieties, egg sampling, measurement quantity and repetition number, measurement items, measurement and statis ical methods, feeding and management conditions, feed requirements, record files, inspection reports, etc. . This standard is applicable to the inspection of laying hen breeds, supporting parent generations, and supporting commercial generations.
NY/T 2123-2012 Referenced Document
HJ/T 81 Technical standard of preventing pollution for livestock and poultry breeding
NY 5027 Pollution-free food, livestock and poultry drinking water quality
NY 5041 Veterinary Epidemic Prevention Guidelines for Pollution-free Food Laying Hens