clearneck

Clearneck refers to a condition, most commonly observed in poultry, where the feathers on the neck of a bird fail to grow or are absent. This can result in a bare or partially bare neck region, making the skin visible. The term is often used in specific contexts, such as when discussing certain breeds of chickens, where a naturally "clearneck" appearance is a breed characteristic.

The cause of a clearneck can be genetic, with some breeds intentionally bred for this trait. In other instances, it can be a result of environmental factors or external influences. For example, mites or other parasites can irritate the skin and lead to feather loss, potentially creating a clearneck appearance. Excessive preening by the bird or even by cage mates can also contribute to feather removal in this area. Nutritional deficiencies might also play a role in abnormal feather development.

From a practical standpoint, a clearneck can affect a bird's thermoregulation, making it more susceptible to cold weather. In commercial poultry farming, a clearneck may be observed as a result of intensive breeding practices or stress. The appearance itself is not typically indicative of disease unless accompanied by other symptoms such as skin lesions, inflammation, or behavioral changes. When the clearneck is a genetic trait, it is considered a normal characteristic of the breed.