Past qs 1 Flashcards
Which of the following is true for Perosis?
The tendon of the gastrocnemius slips off
Osteomalacia is..?
None of the above (true definition: defective bone mineralization)
Which of the following statements is true for osteoporosis?
There is a severe rarefication in the spongy texture of the bone
What does amyelia mean?
Congenital lack of spinal cord
Which of the following is classified by osteoclast hyperfunction?
Osteodystrophia fibrosa
Perosis develops due to?
Mn(Manganese) deficiency
What is the cause of the ossification disorder observed in newborn piglets?
Congenital rickets
In which of the following does optic nerve compression frequently occur?
Vit A deficiency
During osteothesaurismosis..
There is no deformation in the tubular bones
Which of the following conditions is characteristic for the bones of an unused limb?
Osteoporosis
Which is true for osteodystrophia fibrosa?
In animals it is usually a secondary pathological process
What does poliomyelitis mean?
Inflammation of GM (grey matter) of spinal cord
Which of the following is a congenital bone development disorder?
Osteogenesis imperfecta
Osteodystropha frequently occurs in?
Facial bones/ ribs / vertebrae/ long tubular bones
Which of the following changes can be observed in case of myositis chronica eosinophilica?
Eosinophil granulocyte inflammation of the masticatory muscles
Which of the following leads to osteopetrosis in birds?
Retrovirus
Which histopathological change is characteristic for infectious spongiform encephalopathy?
Formation of amyloid plaques due to neuronal degeneration
What age an hydrocephalus develop?
Any age
What does panostetitis stand for?
Simultaneous inflammation of the bone and periosteum
In which of the following is there a decreased osteoid formation?
Calcium deficiency
Which endocrine organ has a major role in the ossification process?
Parathyroid
Which of the following changes is characteristic for rickets?
All of them (uncalcificated cartilage and osteoid tissue in growing zone/ CT in the metaphysis/ deformation of the bones)
Which of the following is correct in case of koves disease?
It is caused by Cl. Septicum and affects the swine
Arthrosis can be defined as?
Regressive changes in the joint cartilage
Which virus cause proventricular lesions?
Caused by the virulent strain of infectious bursitis
What is the most common primary organ lesion for tuberculosis?
Intestines
What causes hemorrhagic tracheitis?
Herpesviridae-Alphaherpesvirinae- Infectious laryngotracheitis virus (ILTV)
When does the air chamber appear, when is it formed in the egg?
Day 5
Where is the eggshell pigmented in the oviduct?
Uterus (vagina-gland in the transition, protoporphyrin)
How can you differentiate Coli granules from tuberculosis?
Stain the bacteria, ZN Coli granulosa
Who has crop milk?
Pigeon, dove
Mortality/morbidity in PEMS and PEC?
Up to 100% (turkey)
What happens to the yolk sac (through what opening is it absorbed?)
Normally absorbed the day before hatching via navel (20-21st day) then it is digested in the first couple of weeks via ductus vitello intestinalis
What does Clostridium botulinum do?
Toxins by ingestion. Botulism proliferates, produces toxins - goes to medulla and cause fatal motor paralysis
What does the intestines look like in malabsorption?
Grayish, dilated, undigested food appear, degeneration of villi
What type of hepatocytes? (Picture?)
Immature (duck viral hepatitis, young)
What causes uricosis in day old chickens?
Vit A deficiency and/or mycotoxins - cause degeneration in the kidney during hatching
Pathological findings in Derzy’s disease?
Hydropericardium, rounded heart
What part of skeleton is affected by spondylosistenis (skeletal disease of turkey)
6th thoracic vertebra, deformity which causes spinal cord compression and paralysis
Thickness of epiphyseal cartilage in some bird species?
1-3 mm
What affected organ causes black head disease?
Turkey; liver - black spots (Histomonas meleagridis)
Osteothesaurismosis is?
Physiological accumulation of Ca in bone or eggshell
Derzy’s disease caused by?
Parvovirus
Differences between duck and chicken baby bird?
Duck has elongated beak, longer than chicken. Duck has swim feet
Cause of “mushy chick disease”?
Noninfectious: inadequate nutrition in layer, bad egg handling, problems during hatching. Infectious: salmonella, E. coli etc.
Pathology of mushy chick disease?
Decreased body weight, inflamed yolk sac, omphalitis, open navel
Pathogen of embryonic death in first trimester?
Mycoplasma iowae
Clinical signs of Derzy’s disease?
Opisthotonos, loss of feathers around eyes, abnormal movement
Where does the primary lesion of Runting stunting syndrome appear?
Intestines
Histomonosis appears mostly in which species?
Turkey
Where are the necrotic foci found in histomonosis?
Liver
Trichomonosis appears mostly in which species?
Young pigeon
Which bacteria does not cause gangrene?
P. Multocida
Bollinger bodies are seen in what disease?
Avian pox
Quail disease?
Ulcerative enteritis
What can cause proventricularis?
All (pox, adeno, corona)
Vector of borrelia?
Avian tick
Acute borreliosis in geese causes?
Diarrhea and emaciation
Chronic fowl cholera is caused by?
Less virulent strain of P. multocida
Aracuna gives?
Green eggs
Campylobacter jejuni main feature?
Septicemia
Ca deposit in long bones?
Osteothesaurisomosis
Who has spotted egg?
Turkey (alternatives were; chicken, duck, goose)
What keeps the yolk in the centrum of the egg?
Chalaze
When is fatty infiltration of the liver pathological in young birds?
3 weeks (20 days)
Causative agent of arizonosis?
Salmonella
Why does pododermatitis often occur due to diarrhea?
? To be continued
What is cellulitis?
Inflammation of subcutaneous CT
What does Pseudomonas aeruginosa cause in egg?
Mixed content
Picture: egg with eggshell/Thin shell. Why?
Decreased mineralization
Which strain causes death in ND?
Velogenic
Agent of coryza?
Avibacterium avium
The different name for hydropericaridum ascites?
Increased pulmonary arterial pressure disease
Lesions in Derzy’s?
Serofibrinous fluid in cavities
Susceptible age in Derzy’s?
1-4 weeks
Susceptible age for duck for Rimerelliosis?
2-8 weeks
Species susceptible for Rimerelliosis?
Goose, duck
Species that can get infectious anemia?
Chicken
Hemorrhagic syndrome caused by?
Alternaria toxins (tenuazonic acid)
What young birds can be detected by the color of their feet and beak?
Guinea fowl
Rupture of follicles (degradation of follicles) leads to?
Serositis
Young birds get mycosis by what route?
Inhalation
Infectious bronchitis starts where?
In lower third of trachea
Osteomyelosclerosis is?
Another name for osteothesaurisosmosis
Erysipelas causes?
A) Enlarged spleen
B) Never enlarged spleen
C) Necrosis of phallus
D) No lesions in chicken
A
Infectious coryza can infect chicken and?
Pheasant, guinea fowl
Which pathogen causes sinusitis in turkey?
M. gallisepticum
Picking on cloaca can lead to?
Bleeding out
Duck plague shed the virus?
Lifelong
Ornithobacterium is?
Facultative pathogen
Infectious bronchitis first replicate?
Respiratory epithelium
Infectious bursitis susceptibility?
Up to 4 months of age
Lesion caused by very virulent strain in infectious bursitis?
Necrotic-hemorrhagic bursitis
The chronic respiratory disease (CRD) of poultry may be caused by?
M. gallisepticum
What happens in EDS (egg drop syndrome)?
A drop in egg production, soft shelled, caused by Flavivirus
Which strain can cause death in ND (Newcastle disease)?
Velogenic
What is the causative agent of Coryza?
Avibacterium avium
Why does aortic rupture occur?
Genetic factors, females, 2-3 weeks of age
What is the causative agent of Arizonosis?
Salmonella arizonae
What is quail disease?
Ulcerative enteritis, caused by Clostridium collinum
Which species are affected by Trichomonosis?
Pigeons
What age are mostly affected by Trichomonosis?
Young squabs, adults are just carriers
Pathogen of gangrenous dermatitis?
C.septicum, C.perfringens and S. aureus
Causative agent for fowl cholera?
Pasteurella multocida