Diseases Flashcards
(20 cards)
Discovered in 1976
Caused by adenovirus
Egg drop Syndrome
-Affected the reproductive organs of chickens
-Infection occurs at any age of lay
EDS
Failure to reach production targets + eggshell changes
EDS
Common among pet birds and poultry
Gout
High uric acid levels in blood
Gout
-Dysfunctional kidneys
-Decreased clearance of uric acid from blood
-Leads to urate deposition or urolithiasis
Gout
Gout syndromes
Visceral urate deposition
Articular urate deposition (less common)
Urate deposits in pericardium, peritoneum, and liver
capsule
Visceral Gout
-Secondary to urolithiasis in laying chickens
-Progressive obstruction of ureters by uroliths
Visceral Gout
Distended ureters
Visceral Gout
Urate deposits on synovial membrane in toes and wing
joints
Articular Gout
Reflects kidney damage
Urolithiasis
Urolith formation in the ureters of laying hens
Urolithiasis
Associated with multiple etiologies:
oHigh dietary calcium
oLow dietary phosphorus
oInfectious bronchitis virus infection
Urolithiasis
Urogenital Diseases in Poultry
1.Egg Drop Syndrome
2.Gout
3.Urolithiasis
4.Cloacal Prolapse
Post-Mortem Lesions:
-No specific lesions
-Slight atrophy of ovary and oviduct
EDS
Treatment and Prevention:
-NO TREATMENT
-Vaccination prior to lay
EDS
Egg drop at peak or failure to pick
-Drops 5 to 50% and lasts for 3-4 weeks
EDS
Rough, thin or soft-shelled egg, shell-less eggs
EDS
Diagnosis:
-History, lack of signs/lesions
-Isolation and identification of agent
-Serology, HI, SN, DID, ELISA
EDS
