Chickens (avians) have many kinds of eye diseases. It is not an independent disease, but a manifestation and reaction of local symptoms of a certain disease. Lightness is red and swollen, tears, and secretions are increased. Severe erosions, ulcers, perforation of the cornea, and blindness should be observed. Differential diagnosis.
Eye-type Marek's disease (gray eye disease): The iris pigment disappears and turns grayish or blue-gray (normally greenish chestnut or orange); the pupil is narrow, the edges are uneven, jagged, the pupil disappears in severe cases, and finally blindness occurs.
Encephalomyelitis: The posterior eye surface presents with a layer of gray-white membranes that resemble cataracts, with bilateral blindness and multiple chicks.
Vitamin A deficiency: The exudates in the eyelids are milk-like or tofu-like, corneal turbid, and bilateral eyelids are more. Prevention: Cod liver oil supplementation.
Eye-type chicken pox: When the lesion occurs in the elbow of the eye, abscesses of the eye, the cheese-like substance of the suspect can be squeezed out, mostly unilaterally and chronically. Prevention: Use chickenpox nemesis.
Aspergillus ophthalmia: Chickens are susceptible to infection and occur frequently in warm and humid seasons. Kerosene-like globules formed under the nictitating membrane, with bulging eyes and central ulceration of the cornea. Control: no moldy feed, treatment with mold.
Mycoplasma (mycoplasma) disease: early tearing, and then the eye face swelling, redness of the conjunctiva, exudate from the viscosity to purulent, the lower sinus with cheese-like material, the lower eye face adhesion, eyeballs protruding, eyelid swelling. Prevention: Use the enemy.
Infectious rhinitis: spread from the upper respiratory tract to the eye, the head is significantly swollen, eye abscess, secretions gradually increased, from the slurry into purulent, pale yellow. Eyes face adhesion, edema, inflammation of the eye and blindness. Mostly unilateral eyes. Prevention: rhinitis grams, bacteria ball clear.
Laryngitis, Biography: Eyes are afraid of light, eyes closed, tears, red eyes, conjunctivitis, oval eyes, mostly bilateral eyes, leading to eye diseases caused by the biography, individual chickens are mostly unilateral symptoms are lighter. Prevention: Diphtheria anti-inflammatory powder.
Eye diseases caused by Arizona bacteria, streptococcus, and candida: Eye swelling, tears, conjunctiva, and inflammation of the cornea. Arizona fungus stalks, initial puffy eyes, eyes filled with white discharge, blindness in later stages of the eyes, liver disease, E. coli disease, schistosomiasis, can cause blindness in both eyes.
E. elegans Kimono flukes: Eye irritation. There are parasites in the eye. Prevention: Erythromycin eye ointment, ice boron powder, iodine glycerin, etc. are all effective.
Ammonia, hydrogen sulfide induced eye conjunctivitis, keratitis: prevention and control: chicken ventilation should be good, frequently changing litter, not limited to moldy feed.
Stimulation of the vaccine: The eye drops of the vaccine responded. The eyes were red and swollen, eyes closed, and tears did not flow out. They generally recovered after 7 days.
Diseases of chicken (avian) eyes are common symptoms of various diseases and should be differentially diagnosed. If it cannot be diagnosed at one time, it can be treated symptomatically to relieve symptoms. Such as 3% boric acid solution, once a day; coated anti-inflammatory drugs. Such as anti-inflammatory powder, chlortetracycline eye ointment, protein silver eye drops and so on. Chickens suffering from eye diseases are generally chronic and need to be supplemented with coloured liver oil during treatment.
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