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Improving broiler breeder performance
Improving broiler breeder performance
Rearing：8 hrs 10-20 lux（<10hrs)
Stimulate at 20-22 weeks
Shorter ? spread in age first egg
Longer ? less eggs
Delay 4 days/100 gr
Breeding: 30-60 lux
11-12 hrs is optimal, risk on early eggs
13-14 hr for floor system
7 lux is minimum
Step up
Avoid low frequency （stress）
Uniform light spread
Need for higher light intensity
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