Posted by Anjum Andrabi on September 2nd, 2008
Characteristic posture of a chicken with Marek's disease showing extension of one leg and retraction of the other
Unilateral enlargement of nerve of the sciatic plexus is characteristic of Marek's disease
Keratitis and conjunctivitis following exposure to high levels of atmospheric ammonia
Accumulation of purulent material in the infraorbital sinus is characteristic of coryza
Ocular discharge and swelling of nasal sinus associated with coryza. Differential diagnosis includes mycoplasmosis or laryngotracheitis
Acute onset of ocular discharge accompanied by high flock morbidity may denote infectious larngotracheitis, infectious bronchitis, coryza or mild avian influenza
'Swollen Head Syndrome' in broiler showing cellulitis of the face and head with symblepharon (closed eyes)
Broiler with swollen face and dyspnea due to laryngotracheitis
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Posted by Anjum Andrabi on September 2nd, 2008
Enlarged Bursa of Fabricius typical of acute infectious bursal disease. Note urate accumulation on vent plumage and enlarged kidneys
Characteristic subcutaneous and intramuscular hemorrhages associated with infectious bursal disease
Acute infectious bursal disease showing chicken with copious white diarrhea
Haemorrhage and transudate beneath the wing associated with transduative diathesis due to destruction of Vitamin E following oxidative rancidity
Chicks showing edema of intamandibular region due to transduative diathesis
Broiler chicks approximately 14-days old showing lateral recumbency associated with nutritional encephalomalacia
Hemorrhage within the cerebellum characteristic of nutritional enchepalomalacia due to Vitamin E deficiency
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Posted by Anjum Andrabi on September 1st, 2008
Advanced dermatitis of the feet (scaly leg) due to Knemidocoptes mutans infestation
Hyperkeratosis of the planter surface of the feet associated with pantothenic acid or biotin deficiency
The long bones of chicks with rickets can be bent without fracture
Vent peck and disembowelment in cage-housed hens can be avoided by careful beak trimming and control of light intensity
Enlarged yellow yolk sac, typical of omphalitis in a 3 day old chick
Grossly enlarged yolk sac of a chick showing red tinged contents associated with omphalitis
Regression of the ovary in a mature hen due to Salmonella pullorum infection
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