The thing is rooted within the genetics of contemporary hens that are laying which were bred to generally meet the requirements of industrial-scale egg manufacturing.
Meat chickens—broilers—have been souped up to get fat quickly, supplying the juicy cuts that are white-meat consumers need. But layers are only the contrary. Since additional weight detracts from egg manufacturing, leaner is deemed better, and people wild birds take more time to cultivate. Aid companies can’t justify providing hungry people who have layer-type chicks, which simply take considerably longer than broilers to achieve full weight—and when they are doing, continue to be slighter of framework.
The White Leghorn, the egg industry’s ubiquitous layer, is really a slim bird effective at producing around 325 eggs per year, nearly one per day—the variety of respected production the industry now demands. A year to put that into context, hens in 1960 laid just 150 eggs.
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