Pathology Written 06/12/2017 Flashcards
How does the pneumomycosis often develop in birds?
Via aerogenous route
Which can cause proventriculitis?
Corona virus
Which of the following leads to osteopetrosis in birds?
Retrovirus (leukosis, sarcoma)
What is the causative agent of coryza?
Avibacterium paragallinarum
What is a lesion of Derzys disease?
Fluid in cavities, serofibrinous
What is haemorrhagic syndrome caused by?
Alternaria toxins (tenuazonic acid)
Which species can get infectious anaemia?
Chicken
What is the cause of aortic rupture in turkey?
Malnutrition
Acute Laryngeotracheitis causes?
Acute catarrhal inflammation
Cause of turkey rhinitis?
Mycoplasma gallisepticum
What does vitamin E deficiency cause?
Brain lesions (cerebral oedema, zenker necrosis, regressive changes in CNS/spinal cord, exudative diathesis in chickens
Staph. aureus causes?
All of the above (follicultisi/cellulitis/pododermatitis)
Mycoplasma synoviae?
Cause tenosynovitis and arthritis
Rimerelosis?
Causes exudative serositis
Green muscle/Oregon disease
Constitutional leson
What causes Angara disease?
Adenovirus (hydropericardium hepatitis syndrome)
What are the symptoms of Derzys disease?
Accumulation of exudate in body cavities
Campylobacter affects mainly?
Layer chickens
Age of group for infectious Coryza?
8-12 weeks
What causes caseous colitis?
All (rough feed/salmonella/intestinal spirochaetosis)
Cause of haemorrhagic enteritis in turkeys?
Adenovirus
What causes duck plaque?
Alphaherpes virus
Where is E. tenella in bird?
Caecum
What does mesogenic straing of Newcastle disease cause?
Viraemia and resp. lesions in young chicks, neural signs and decreased egg production in dults)
Laryngotracheitis cause?
Does NOT cause viraemia
What does viral enteritides cause?
All (malsecretion, maldigestion, malabsorption)
What age does necrotic enteritis in chicken?
2-5 weeks
Pox virus causes?
Bollinger bodies
What is osteomyosclerosis?
Another name for osteothesaurismosis
Avian influenza affects?
Lower third of trachea and macrobronchi
TRT and E. coli causes?
Swollen head
When does necrobiotic fatty infiltration of the liver affect birds?
12-14 weeks turkey
Peracute duck viral hepatitis causes?
Necrotic haemorrhagic liver dystrophy
Infectious bursitis can affect which age group?
Until 4 month of age (most susceptibility 3-6 weeks)
What causes epidemic tremor?
Virus
What does gizzerosine cause?
Ulceration of gizzard
Acute fowl typhoid causes?
Acute septic hyperaemic splenitis
Angara disease is caused by?
Adenovirus
Sudden death often occurs in?
Meat type birds
Which of the following could cause this lesion (picture of a joint)?
All (orthoreovirus/staph. aureus/M. synoviae)
Pneymomoycosis can metastatise?
Both (eye and brain)
Lack of vitamin B1 causes?
Degeneration of the myelin sheaths and Schwann cells
Hen paralysis?
Marek’s disease
Whats the cause of epidemic tremor?
Virus (picornavirus)