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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 ...
Morning: Let chickens out of their coop, giving access to the enclosed run. Give each a quick once-over, looking for bright eyes, red comb and wattles, steady gait, and shiny feathers—all signs ...
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 ...
Cannibalism in poultry. Cannibalism in poultry is the act of one individual of a poultry species consuming all or part of another individual of the same species as food. It commonly occurs in flocks of domestic hens reared for egg production, although it can also occur in domestic turkeys, pheasants and other poultry species. [1]
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.
Fowl cholera. Cock of a breeding flock with green diarrhea. Fowl cholera is also called avian cholera, avian pasteurellosis and avian hemorrhagic septicemia. [1] It is the most common pasteurellosis of poultry. As the causative agent is Pasteurella multocida, it is considered to be a zoonosis. Adult birds and old chickens are more susceptible.
Chickens in multiple-occupancy battery cages. Battery cages are a housing system used for various animal production methods, but primarily for egg-laying hens. The name arises from the arrangement of rows and columns of identical cages connected, in a unit, as in an artillery battery. Although the term is usually applied to poultry farming ...
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 ...