Geneticists say economically important traits will improve as balanced selection efforts result in broilers and layers that perform well and have high welfare under a variety of management and nutritional regimens.In the developed world, the broiler and layer industries find themselves in an unusual situation. Performance measures for livability, growth rate, feed conversion, and carcass and slaughter yield have never been better for broilers, and the same is truefor persistency of lay, livability and feed conversion for layers. However, activist group activities and consumers in the developed world have a heightened interest in animal welfare and transparency, so poultry producers are being challenged to managetheir flocks so they are productive and presentable for a photo shoot throughout their lives.
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