Which of the following is true for Perosis?
The tendon of the gastrocnemius slips off
Osteomalacia is?
None of the above (defective bone mineralization)
Which of the following statements is true for Osteoporosis?
There is a severe rarefaction in the spongy structure 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 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 the 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 of spinal cord
Which of the following is a congenital bone development disorder?
Osteogenesis imperfecta
Osteodystrophia fibrosa frequently occurs in?
Facial bones/Ribs/Vertebrea/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 can hydrocephaly 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 its 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
What happens in EDS?
Serofibrinous inflammation of the trachea and macrobronchi (suffocation)
Cause of death in uricosis?
Acidosis and HF due to hyperkalaemia
What species can get chicken infectious anaemia?
Only chicken
Infectious laryngotracheitis die?
Not because of viraemia
Infectious laryngotracheitis first starts in?
Conjunctive and airways
Pathogen of Arizonosis?
Salmonella arizonae
What is the quail disease?
Ulcerative enteritis caused by Cl. colinum
What age for turkey haemorrhagic enteritis?
4-11 weeks
What species and if young or adult in trichomonosis?
Young pigeon (symptoms), older (carriers)
Usual effect of septicaemia?
Haemorrhages and inflammation
Pathogens of gangerous dermatitis?
Staph. areus, Cl. perf A and Cl. septicum
What is cellulitis?
Inflammation of SC tissue caused by E. coli
What is another name for hydropericardium?
Angora disease
Mycoplasmaemia means?
Large amount of mycoplasmas in the blood
What is malabsorption?
Imperfect or incomplete absorption due to destruction of enterocytes
Which virus causes proventriculitis lesions?
Caused by the virulent strain of infectious bursitis
Chronic fowl cholera?
Caused by Pasteurella multocida
Species susceptible to riemerellosis?
Goslings and ducklings
What lesion is seen in the proventriculus after Newcastle disease infection?
Necrosis and anastomas of glands
What is the most common primary organ lesion for tuberculosis?
Intestines
What causes haemorrhagic tracheitis?
Herpesviridae-Alphaherpesvirinae-Infections laryngotracheitis virus (ILTV)
When does the airchamber appear, when is it formed in the egg?
Day 5
Where is the egg-shell pigment in the oviduct?
Uterus (vagina-gland in the transition. Protoporfirin)
How can you differentiate Coli granulosa from tuberculosis?
Stain 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 digected in the first couple of weeks via ductus vitello intestinalis
Clostridium botulinum?
Toxins ingested. Botulism proliferates, produces toxins - goes to medulla and cause fatal motor paralysis
What does the intestines look like in malabsorption?
Greyish, dilated, undigested food appear, degeneration of villi
What type of hepatocytes?
Immature (duck viral hepatitis, young)
What causes uricosis in day old chick?
Vit. A deficiency and/or mycotoxins - causes degeneration in the kidney during hatching
Pathological findings in Derzy’s disease?
Hydropericardium, rounded heart
What part of the skeleton is affected by spondylosistenis (skeletal disease in turkey)?
6th thoracic vertebra. Deformity which cause spinal cord compression and paralysis
Thickness of epiphyseal cartilage in some bird spp?
1-3mm
What affected organ causes black head disease?
Turkey; Liver - black spots
Osteothesaurisomosis is?
Physiological accumulation of Ca in bone or eggshell
Derzy’s disease caused by?
Parvovirus
Differences between duck and chicken baby?
Duck has elongated beak, longer than chicken and webbed feet
Cause of Mushy Chick disease?
Non-infectious: inadequate nutrition in layer, bad egg handling, problems during hatching
Infectious: salmonella, e. coli
Pathology of Mushy chick disease?
decrease BW, inflamed yolk sac, omphalitis, open naveL
Pathogen of embryonic death in the first trimester?
Mycoplasma iowae
Clinical signs of Derzy’s disease?
Opisthotonus, loss of feather 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 in?
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 proventriculitis?
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?
Septicaemia
Ca deposit in long bones?
Osteothesaurisomosis
Who has spotted egg?
Turkey (alternatives were; chicken, duck, goose)
What keeps the yolk in the centrum of egg?
Chalazae
When is fatty infiltration of the liver pathological in young birds?
3 weeks (20 days)
Causative agent of Arizonosis?
Salmonella
Why does pseudomonas aeruginosa cause in the egg?
Mixed content
Picture: egg without eggshell/thin shell
Decreased mineralization
What is cellulitis?
Inflammation of SC
Why does pododermatitis often occur due to diarrhea?
Spoiled bedding
Picture of Egg
Exicosis
Which strain causes death in ND?
Velogenic
Agent of coryza?
Avibacterium avium
The different name for hydropericardium ascites?
Increased pulmonary arterial pressure disease
Lesions in Derzy’s?
Serofibrinous fluid in cavities
Lesions in proventriculus in ND?
In acute cases, annular haemorrhages
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 anaemia?
Chicken
Aortic rupture occurs?
Turkey - malnutrition
Haemorrhagic syndrome caused by?
Alternaria toxins (tenuazonic acid)
What young birds can be detected by the colour 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 thirds of trachea
Osteomyelosclerosis is?
Another name for osteothesaurisomosis
Erysipelas causes?
Enlarged spleen (hyperaemic)
Infectious laryngeal tracheitis causes?
No viraemia
Haemorrhagic tracheitis caused by?
ILT
Infectious corzya can infect chicken and?
Pheasant, guinea fowl
Which pathogens 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?
Resp. epithelium
Infectious bursitis susceptibility?
Up to 4 months of age
Lesion caused by very virulent strain in infectious bursitis?
Necrotic-haemorrhagic bursitis
Pathognomic lesion of duck plague?
Multiple haemorrhages, oedema in the SC CT
The chronic respiratory disease complex (CRD) of poultry may be caused by:
M. gallisepticum
