
There are several reasons why a chicken might pluck out its own or another chicken's feathers. The most common cause is a behavioural issue, such as boredom, stress, or aggression. Chickens may also pluck feathers due to dietary deficiencies, particularly a lack of protein. In addition, external parasites like mites and lice can cause chickens to over-preen and pluck their feathers. Finally, some chickens may pluck feathers due to injuries, curiosity, or genetics. To prevent feather plucking, it is important to provide chickens with adequate space, enrichment, and a well-balanced diet.
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What You'll Learn

Boredom and lack of space
Boredom and a lack of space are two of the main reasons why chickens pluck out their feathers. Chickens that are confined to a coop and run daily are more likely to pluck out their feathers out of boredom and curiosity than free-range chickens. Free-range chickens rarely experience boredom, but when bad weather prevents them from roaming freely, boredom-busting activities can be offered. For example, hanging treats or fresh greens around their run can help keep hens distracted and busy.
Chickens that are kept on a restricted feeding program may become bored in between feedings, which can lead to feather plucking. In addition, chickens that are kept in an enclosed run may not have the option to simply run away from other aggressive hens, which can lead to feather pecking and distress.
Space is one of the keys to happy, healthy chickens. Overcrowding can lead to aggression and feather plucking. As a guide, a chicken should be allowed 1 to 2 sq ft in their house with 7-8 inches of perch space to roost on. If chickens are confined to a small space, they may get on each other's nerves, and limited space means limited pecking opportunities.
Chickens that have been re-homed from battery cages often have poor feathering due to being locked in a confined space for long periods.
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Dietary deficiencies
Chickens require a well-balanced diet rich in protein, vitamins, and minerals. An unbalanced diet can result in behavioural problems such as excessive picking at their own preen gland, the feathers around it, and the feathers of other birds.
Feathers are made up mostly of protein, so a diet deficient in protein can lead to feather pulling and eating. Hens require a lot of protein to produce feathers (and eggs). If a hen is not getting enough protein, she may begin eating eggs or feathers to compensate. Commercial feeds are designed to have plenty of protein for hens, although different brands can vary. You could consider switching to a higher-protein feed (e.g. 18% instead of 16%) or offering high-protein supplements like live or freeze-dried mealworms.
However, other dietary issues could be the problem—it's not all about protein! Methionine and cysteine, for example, are amino acids necessary for feather growth, so a deficiency in these can cause the same feather-picking behaviour as a deficiency in protein. A dietary deficiency of sodium or phosphorus can also cause chickens to engage in feather pecking.
A lack of certain essential nutrients can lead to poor feather quality and feather loss. For instance, a salt deficiency is a rare dietary deficiency that can cause a chicken to peck at the feathers around the preen gland or overuse the preen gland, which is located on the back near the base of the tail.
Feeding chickens too many treats, snacks, or kitchen scraps can interfere with their daily nutritional requirements, causing aggression and problem-picking behaviours.
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External parasites
Chickens with external parasites will constantly preen themselves to try to get rid of the pests. As a result, their feathers can become weak and fall out. In addition to feather loss, other signs of external parasites include a whitish powder around the perch sockets and cracks in the woodwork, tiny blood spots on eggshells, and clusters of parasite eggs at the base of the feathers that look like granulated sugar.
To prevent and control external parasites, regular vigilance and observation of the flock are essential. It is recommended to check chickens for parasites once a month and treat them accordingly. Providing dust bathing areas with loose sand or dirt, or adding wood ash and diatomaceous earth (DE) to existing dust bathing areas, can help prevent lice and other external parasites. However, it is important to note that food-grade diatomaceous earth should not be used with backyard chickens as it can be hazardous to their health.
In addition to external parasites, other factors that can contribute to feather loss in chickens include molting, nutritional deficiencies, stress, boredom, and reproductive behavior.
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Pecking order and bullying
Chickens have a social hierarchy, or "pecking order", within their flock. This is often established and maintained through occasional pecking, with the \"top hen\" pecking at other chickens, and the lowest bird being pecked at the most. This pecking behaviour can sometimes turn into feather pecking, or feather plucking, where a chicken will pull out another chicken's feathers. This can be distressing for the bird and may draw blood, leading to cannibalism.
Feather pecking is a form of bullying and can become a habit for individual chickens or even the whole flock. Chickens may also peck at other chickens' feathers out of curiosity, or if they have nothing else to peck at. Chickens with different appearances, ages, or sizes are often targeted for feather pecking.
To prevent feather pecking, it is important to provide chickens with a balanced diet that meets their nutritional needs, as well as sufficient space, stimulation, and daylight. It is also crucial to properly integrate new chickens into the flock to avoid bullying. If feather pecking occurs, the bully chicken should be separated from the flock until it learns to behave.
In some cases, feather plucking may be caused by nutritional deficiencies, stress, or external parasites such as mites or lice. It is important to rule out these potential causes and address any underlying issues.
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Moulting
On average, moulting takes 7-8 weeks from start to finish, but it can range from 4 to 12 weeks or more. During moulting, it is important to keep stress to a minimum and avoid making any significant changes to the chicken's environment or routine.
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Frequently asked questions
There are several reasons why your chicken might be plucking out its own ass feathers. One reason could be a fungal infection called vent gleet, caused by mouldy feed or an infection. Another reason could be external parasites such as mites or lice. These parasites can cause itching and burning sensations, leading to over-preening. Additionally, your chicken might be experiencing stress due to various factors, which can result in feather plucking.
Feather pecking is a common behaviour in chickens, where they pull out the feathers of other chickens. This can be due to a bully trying to establish dominance or enforce the pecking order. Chickens might also peck at each other due to boredom, lack of space, or dietary deficiencies, particularly protein.
To prevent your chicken from plucking its own feathers, you should address any potential causes such as external parasites, stress, or dietary deficiencies. Provide your chicken with sufficient space, entertainment, and a well-balanced diet. If the issue is caused by a fungal infection, follow the treatment plan recommended by a veterinarian or a chicken care specialist.










































