A recent study comparing traditional lighting with gradient lighting demonstrated significant benefits to poultry flocks, including improved feed conversion ratio (FCR), enhanced welfare indicators and reduced stress levels.
New study shows brain size is smaller in commercially bred laying hens
When humans domesticate and breed an animal, they tend to select for a very specific trait. In laying hens, artificial selection for high egg production has led to hens that can produce 320 eggs a year. But could artificial selection have unintentionally altered hen brain morphology?