General information

Common eye diseases in chickens


Diseases of chickens in which only one eye is affected are difficult to diagnose. Therefore, poultry farmers, as well as uninformed veterinarians, have difficulty in determining the cause of the disease and prescribing treatment. It is known that both eyes are rarely affected simultaneously. It is necessary to take measures, without waiting for a disease of the second. This article will tell farmers and amateur breeders what to do if the hen has one eye closed and how to treat the disease. Distinguish eye diseases in chickens of infectious or non-infectious etiology.

Non-contagious diseases

The diseases of non-infectious chickens include the following pathologies:

The cause of the development of tumors is difficult to establish. If the eye is swollen in one individual, it is likely to be prone to such pathologists. The bird owner has a choice - culling, or surgery to remove the growth. If several individuals are sick, review the diet, enrich it with vitamins. With a massive eye injury, an infectious disease is suspected, and they turn to a veterinarian.


Symptoms of anomaly are dry eyes and the development of a tumor on it. The main cause of the disease is avitaminosis. Treatment consists in the use of plant greens or vitamin preparations and premix.

Chicken injures the eye during a fight, reckless walk around the paddock, barbed vegetation or a cluttered chicken coop. Visually, pathology is detected by redness, prolapse of the third century, inflammation of the conjunctiva. Treatment consists of washing the patient's eye with antiseptic drops, or applying an antiphlogistic ointment — hydrocortisone, prednisolone, or tetracycline. If the chicken is of pedigree value, call the veterinarian.

Ammonia blindness

It is the result of lack of ventilation, irregular cleaning litter, dampness, inadequate feeding. The owner can feel the effect of ammonia on himself - at the entrance to the coop there is a peculiar smell, pain in the eyes. The disease can be massive. Treatment is the elimination of the cause of the disease, followed by instillation of the eyes or treatment with an antiseptic ointment.

Infectious diseases

If the closure of one eye becomes widespread, accompanied by additional symptoms, we are talking about the infectious nature of the disease. Often the pathology extends to the second organ of vision. Preventing a massive death is associated with a veterinarian's call, qualified diagnosis, treatment prescriptions, or other disease control measures. Among the most common diseases in which one eye closes, the following are distinguished:

The causative agent is a lumpy wand. Sick young. Adult chickens, poultry of other species become the distributors of the infection. Concomitant factors are poor housing and feeding conditions. The disease affects the majority of the livestock and is characterized by the following additional symptoms:

  • sneezing
  • lacrimation
  • sinusitis (owl head),
  • exhaustion
  • lameness,
  • blanching comb.

The treatment is started by bringing the parameters of maintenance and nutrition in line with the recommended standards. Eyes and nose are washed with solutions of Furacilin or Tetracycline. Reorganize monochloride with iodine.

The bird is fed with antibiotics.

Marek's disease

Viral mass disease, characterized by damage to the organs of vision and paralysis of the legs. Sick young and laying hens. The characteristic additional symptoms are the following:

  • Dangling tail, paws, lameness, paralysis.
  • The iris becomes gray, the pupil is deformed.
  • Bird vilifies.
  • Oviposition ceases.
  • The comb dries, turns pale.

The disease is treatable with the help of the medical antiviral drug Acyclovir at home, with a dubious result. On large farms, livestock is replaced. Preventing the disease is a vaccination of day-old chickens.


It occurs in chickens called pullorosis. It is characterized by high mortality. Additional symptoms are listed below:

  • drowsiness,
  • power failure
  • diarrhea,
  • lameness,
  • exudate glues eyelids.

In the layers, the following additional symptoms are observed:

  • blue ridge
  • shell deformation,
  • drowsiness,
  • drop in egg production
  • diarrhea.

For the treatment of chicken paratyphoid use the following antimicrobial agents:

  • Fluoroquinolones - Kolmik E, Baytril, Enrofloxacin.
  • Complex drugs that combine antimicrobial agents of different groups - Dolink, Eriprim, Avidox, Tromexin.


The disease is caused by virulent species of E. coli, infects young and weakened layers.

In addition to compliance with sanitary and hygienic requirements, need to vaccinate birds.

What are hens laying hens and how to treat them

Consider the most typical diseases of laying hens at home.

A bird cannot lay an egg. This phenomenon is common in young laying hens. The hen begins to toss around the chicken coop, its scallop turns bright red. If she was not helped, she would die.

Lack of egg shell. The disease is viral. There is a loss of coordination, drowsiness, and systematic egg-laying without a shell. Carbon tetrachloride (5 mg per 1 bird) is used for treatment.

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Ovarian inflammation. With a sharp fall or blow, eggs can develop incorrectly: 2 yolks in 1 shell, irregular egg shape, thin shell. Often the yolks begin to rot inside. Such a bird will die.

Cloacitis is a common bowel disorder. 2-3 cm in the rectum begins the inflammatory process. If the disease is exacerbated, then the feathered yolk peritonitis.

The hen begins to behave less actively, weakens, and egg-laying also disappears. In the bird, around the cloaca is released a liquid with salts that pollute the feathers.

Pesto lesions are cleared of impurities and then treated with iodine or any bactericidal ointment.

Frostbite paws, scallops are dangerous because the bird may lose the sensitivity of the limbs. If the legs are frozen in chicken, take animal fat, rub the frozen parts, and then grease with iodine. Replacing fish oil can act snow.

Chick Disease: Symptoms and Treatment

For chickens heat is of paramount importance. If you notice that they have begun to gather in small groups, it means that they are freezing.

When freezing begins, health problems in babies begin: diarrhea, inflammation of the kidneys, swelling of the liver, snot dripping from the beak and much more.

Heating is required especially in the dark, as they move during the daytime, due to which they can maintain optimum body temperature.

Chickens indiscriminately can peck anything, and comes across on their way is not always edible. Therefore, their feeding should occur strictly in feeders. If they are poisoned, feeding is prohibited until the goiter is devastated. Chicks offered water with potassium permanganate (5 g per 1 liter of water).

Diseases of the respiratory system

If the hen house is bad the room is ventilated, the inflammation of the trachea, larynx, bronchi chicks guaranteed. They die from choking. Therefore, fresh air and the absence of drafts are also an important criterion in the care of future chickens.

Stomach blocking in chickens

Toddlers are illegible in feeding, with proklyuv they come across objects that can not be digested by their digestive system and occurs gastric blockage.

Pullorosis occurs up to 2 weeks of age. Chicks are removed from the main herd, very weak, they sit with their eyes closed. Breathing them hard, wings lowered, and die.

Pasteurellosis occurs at the age of 2-3 months. Foamed mucus appears from the beak, the temperature rises, feathers are tousled, the scallop turns blue. Chicks get sick in the cold season.

Coccidiosis occurs at the age of 15-45 days. In the epithelium of the intestine get the simplest socialists. As soon as the chicken was born, it is necessary to give 2.5 mg of furazolidone per chick together with feed.

When the chickens are 3 weeks old, this course is repeated again in 5 mg for 7 days. It is also recommended to add coccidin, etazol or osarsol to the feed.

In a chicken coop, the humidity should be at an optimum level, and all floorings should be dry and clean.

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