Poultry welfare focuses on providing a suitable environment and conditions that allow poultry birds to thrive, express natural behaviors, and experience positive well-being.

Maximizing egg production is a production goal, not a principle of poultry welfare. Welfare focuses on the well-being of the birds, not solely on maximizing productivity.

Behavioral freedom refers to the ability of poultry birds to engage in natural behaviors such as foraging, dust bathing, perching, and social interactions.

Aviary systems provide the most space and opportunities for hens to express natural behaviors, including perching, nesting, and dust bathing.

Beak trimming can lead to increased risk of feather pecking, reduced feed intake, impaired vocal communication, and potential pain and discomfort.

Neck snapping is not a recommended method of euthanasia for poultry birds as it can cause unnecessary pain and distress.

The overuse of antibiotics in poultry production can lead to increased risk of antibiotic resistance, reduced efficacy of antibiotics in human medicine, and negative impact on the environment.

Increased longevity is not a common welfare issue associated with intensive poultry production. In fact, intensive production systems often lead to shorter lifespans due to stress, disease, and poor welfare conditions.

Selective breeding involves the selection of breeding stock based on desired traits, such as egg production, growth rate, or disease resistance.

Improved feed efficiency is not a common welfare concern associated with genetic selection in poultry. In fact, genetic selection has been used to improve feed efficiency, which can have positive implications for welfare by reducing the amount of feed required to produce the same amount of product.

Environmental enrichment involves providing poultry birds with objects, structures, or activities that stimulate natural behaviors and promote psychological well-being.

Mirrors are not commonly used as a form of environmental enrichment for poultry birds.

Free-range systems allow poultry birds to access outdoor areas, providing opportunities for foraging, dust bathing, and other natural behaviors.

Free-range systems can actually increase the risk of disease outbreaks due to the potential for contact with wild birds and other animals.

The term 'no-antibiotics-ever' is used to describe poultry production systems that do not use antibiotics at any point in the bird's life.