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Delayed-feathering in chickens is a genetically determined delay in the first weeks of feather growing, which occurs normally among the chicks of many chicken breeds and no longer manifests itself once the chicken completes adult plumage . The difference between fast normal feather development and delayed-feathering can be recognized in one-day ...
Feather pecking. Feather pecking amongst laying hens. In the lower right of the picture, the white hen has lost her tail feathers and the brown hen has been feather pecked on the thigh and wing. Feather pecking is a behavioural problem that occurs most frequently amongst domestic hens reared for egg production, [1][2] although it does occur in ...
Chicken hypnotism. A chicken can be hypnotized, or put into a trance, with its head down near the ground, by drawing a line along the ground with a stick or a finger, starting at the beak and extending straight outward in front of the chicken. If the chicken is hypnotized in this manner, it will continue to stare at the line and remain immobile ...
Forced molting typically involves the removal of food and/or water from poultry for an extended period of time to reinvigorate egg-laying. Forced molting, sometimes known as induced molting, is the practice by some poultry industries of artificially provoking a flock to molt simultaneously, typically by withdrawing food for 7–14 days and sometimes also withdrawing water for an extended period.
Mortalities, due mainly to cannibalism, can be up to 15% in egg-laying flocks housed in aviaries, [11] straw yards, [12] and free-range systems. [13] Because egg-laying strains of chickens can be kept in smaller group sizes in cage systems, cannibalism is reduced, [ 10 ] leading to a lowered trend in mortality as compared to non-cage systems.
Infectious coryza in chickens. Infectious coryza is a serious bacterial disease of chickens that affects the respiratory system, and it is manifested by inflammation of the area below the eye, nasal discharge, and sneezing. [1][2] The disease is found all over the world, causing high economic losses, which are due to stumping off and reduction ...
August 9, 2024 at 4:47 PM. Whether you live in the sticks or a gated community in the suburbs, chances are you’ve got chickens on the brain. You’re not alone—more than 12 million Americans ...
Blinders (poultry) Blinders, also known as peepers, are devices fitted to, or through, the beaks of poultry to block their forward vision and assist in the control of feather pecking, cannibalism and sometimes egg-eating. A patent for the devices was filed as early as 1935. [1] They are used primarily for game birds, pheasant and quail, but ...