Table 2. Possible clinical signs for common nonrespiratory viral diseases of poultry. | ||||||||
Clinical Signs | Marek's disease | Lymphoid leukosis | Infectious bursal disease | Equine encephalitis | Avian encephalitis | Egg drop syndrome | Infectious tenosynovitis | |
Tenosynovitis | Septicemia form | |||||||
Reduced feed consumption | X | X | X | |||||
Labored breathing | X | |||||||
Weight loss/stunted growth | X | X | ||||||
Reduced water consumption | X | X | ||||||
Bluish-purple discoloration of the face | X | |||||||
Enlarged abdomen | X | |||||||
Lameness | X | X | ||||||
Swollen joints | X | |||||||
Twisted necks | X | |||||||
Paralysis | X | X | X | |||||
Inactive | X | |||||||
Tremors | X | |||||||
Incoordination | X | X | X | |||||
Blindness | X | |||||||
Paleness | X | |||||||
Pale scaly combs | X | |||||||
Greenish diarrhea | X | X | ||||||
Diarrhea (general) | X | X | ||||||
Watery droppings | X | |||||||
Thin-shelled eggs | X | |||||||
Shell-less eggs | X | |||||||
Reduced egg production | X | X | ||||||
Increased mortality | X | |||||||
Dullness | X | |||||||
Weakness | X | |||||||
Emaciation | X | |||||||
Helicopter wings | X | |||||||
Ruffled feathers | X | |||||||
Small comb | X |