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Avian Laryngotracheitis, Avian Diphtheria, Trach, Trake, Laryngo
|Mild Epizootic Form||Severe Epizootic Form|
|Associated Clinical Signs||Watery eyes - appears as tiny bubbles in the corner of eye.|
Swelling of infraorbital sinuses - appears as facial or eyelid swelling.
Nasal discharge - often persistent.
Difficulty breathing - gasping
Moist respiratory sounds - rales, gurgling, cawing or whistling noises when breathing.
Generalized sickness - unthriftness, ruffled feathers.
If adult laying hens - decreased egg production.
|Severe coughing - often involving blood-stained mucus that dries on nostrils, lower beak, possibly feathers. Sometimes it is found throughout the coop environment.|
Severe difficulty breathing - stretching necks upward, gulping for air, open-mouth breathing
|Disease Course||Most chickens recover in 10-14 days, but can take up to 30 days.||May take up to 45 days for chickens to fully recover. Survivors tend to have a lingering cough.|
|Mortality||Up to 2%||10 to 20%|
|Affected organs||Limited to the epithelium of the conjunctiva and infraorbital sinuses and sometimes congestion and edema.||Lesions may extend throughout the upper and lower respiratory tract and the ocular conjunctiva. The trachea and larynx are the most consistently affected areas, ranging from mild accumulation of mucus to varying amounts of inflammation, diptheritic mucoid or hemorrhagic casts, and necrosis. When really severe, hemorrhages may be present in the trachea, oral cavity, and nasal passages.|
|Report disease||In the United States, ILT is a reportable disease, meaning that if you suspect that your chicken has this disease, by law you need to report it to your veterinarian, or a state or federal veterinarian.|
|Therapy for conjunctivitis||Signs can often be relieved by applying a warm, damp facecloth to the eyes to help crustiness from forming.|
|Colloidal silver||Spray into chickens mouth, place a few drops in the chicken's mouth to swallow, or put a few drops on the chicken's nostrils for them to inhale||G Damerow|
|Apple cider vinegar||May help clear mucus from mouth and throat. Add 1 tablespoon of apple cider vinegar to each gallon of water (double dose if using hard water)||G Damerow|
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