Past qs 2 Flashcards
Which virus can cause proventriculus lesions?
➔ Virulent strain of infectious bursitis
Which species are mostly affected by Histomonosis?
➔ Turkeys
Which bacteria does not cause gangrene?
➔ Pasteurella multocida
What is the main feature of Campylobacter jejuni?
➔ Septicaemia
What does acute borreliosis cause in geese?
➔ Diarrhea and emaciation
What does aracuna give?
➔ Green eggs
Why does pododermatitis often occur during diarrhea?
➔ uric acid of feces, (Exudation of skin (?))
What is the cause of Rickets?
➔ Vit. D and/or phosphorous and/or calcium deficiency
What causes rickets like osteopathies?
➔ Niacin deficiency in geese
When does rickets affect chickens?
➔ 5-6 weeks (3)
What does bacterial spondylitis in birds usually affect?
➔ 6th thoracic vertebrae
What does mycotic spondylitis in birds usually affect?
➔ Last cervical and first thoracic vertebrae
What does influenza virus cause in chicken?
➔ Microencephaly
What causes Crazy chicke disease?
➔ Vit.E deficiency
When does Crazy chicken disease manifest?
➔ 3-6 week old poultry
What is inflammation of the grey matter of the brain/spinal cord called?
➔ Polioencephalitis/ poliomyelitis
What is inflammation of the white matter of the brain/spinal cord called?
➔ Leukoencephalitis/ myelitis
White string on the follicle that breaks when egg is released…
➔ Stigma
Bulla ossea syrinx…
➔ Male mallard duck
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 hemorrhagic syndrome caused by?
➔ Alternaria toxins (tenuazonic acid)
Which species can get infectious anemia?
➔ Chicken
Acute laryngeotracheitis causes…
➔ acute catarrhal inflammation
Cause of turkey rhinitis
➔ mycoplasma gallisepticum
What does vitamin E deficiency cause?
➔ Brain lesions
Staph.aureus causes?
➔ All of the above (folliculitis / cellulitis / pododermatitis)
Mycoplasma synoviae…
➔ cause tenosynovitis and arthritis
Rimerelosis…
➔ causes exudative serositis
Green muscle/ Oregon disease…
➔ Constitutional lesion
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 group for infectious Coryza?
➔ 8-12 weeks
What causes caseous colitis?
➔ All (rough feed / salmonella / intestinal spirochaetosis)
Cause of hemorrhagic enteritis in turkeys?
➔ Adenovirus
What causes duck plaque?
➔ Alphaherpes virus
Where is E.tenella in bird?
➔ Cecum
What does mesogenic strain of Newcastle disease cause?
➔ Viraemia and resp.lesions in young chicks, neural signs (and decreased egg production)
in adults
Laryngotracheitis cause?
➔ Does NOT cause viraemia
What does viral enteritides cause?
➔ All (mal- secretion, -digestion, -absorption)
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 hemorrhagic liver dystrophy
Infectious bursitis can affect which age group?
➔ Untill 4 months 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 joint)
➔ All (orthoreovirus / staph.aureus / M.synoviae)
Pneymomycosis can metastatise…
➔ Eye + Brain
Lack of vitamin B1 causes…
➔ Degeneration of the myelin sheaths and Schwann cells
Hen paralysis…
➔ Marek’s disease
