Commercial Layer · Cage System
Isa Brown — 300 to 320 Eggs Per Year
The Isa Brown is the world's most productive egg-laying breed. Developed in France, it is the standard bird used in commercial egg farms across Kenya and globally. Under good management — battery cage, automatic water, layers mash, and 14–16 hours of controlled light — an Isa Brown hen produces 300 to 320 eggs per year. That is nearly one egg per day for her entire laying life of roughly 72–80 weeks. The eggs are large and brown with excellent shell strength. She is not hardy, she is not a forager — she is a precision machine that rewards correct management with exceptional output. Run the numbers: 128 hens at 300 eggs each is 38,400 eggs per year. At KShs 15 per egg wholesale, that is KShs 576,000 from a single A-type battery cage. The cage pays for itself many times over.
300–320 eggs per year — highest production of any breed
Starts laying at 18–20 weeks
Requires battery cage and controlled lighting
Layers mash 16–18% protein + 3.5% calcium throughout lay
14–16 hours light per day via timer — non-negotiable