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Forensic exam > Animal diseases > Flashcards

Animal diseases Flashcards

1
Q

Diagnosis of Bovine Tuberculos

A
  • Veterinary institue= Bacteriology + Histopath
  • Disease= clinical signs, post mortem lesions, meat inspection, patho + isolation
  • Suspected of being diseased= + positive intradermal tuberculin test
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2
Q

Significanse of Bovine Tuberculos

A

1) State veterinary= compulsory eradication + prohibition of treatment and vaccination
2) Diseased or Infected= SLAUGHTER
3) Suspected of being diseased = official surveillance + movement restrictions
4) Free status= legal characteristics
5) Herd of orgin= significanse for the whole herd

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3
Q

Diagnosis of Bovine Brucellosis

A
  • Veterinary institute= Bacteriology + 2 serology
  • Samples
  • Seropositivity
  • Disease= clinical signs, post mortem, abortions, isolation
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4
Q

Significanse of Bovine Brucellois

A

1) State veterinary= compulsory eradication + prohibition of treatment and vaccination
2) Disease or infected = SLAUGHTER
3) Suspected of being diseased= offical surveillance + movement restrictions
4) Free status: legal characteristics
5) Herd of orgin= significanse for the whole herd

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5
Q

Orgin of Bovine Brucellosis

A
  • Thomson-rule= later in pregnancy infected, sooner abortion
  • Min 2.weeks
  • Positive serology= late pregnancy, 8.weeks
  • <7.months of preg, 3 weeks
  • Epizootic injury
  • Min 30days of quarantene
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6
Q

Diagnosis of Canine Parvo

A
  • Age
  • Clinical signs
  • Patho/ Histopath
  • Lab examinations/confirmation
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7
Q

Significanse of Canine Parvo

A

1) if animal dies–> always significant

2) if animal survives= justified expenses, treatment cost

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8
Q

Orgin of Canine parvo

A

Incubation period 2-4 days

  • 3 day= if disease and deat
  • 4day= typical pathological lesions, regeneration of enterocytes
  • 5day= disease within 2 days, in spite of treatment
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9
Q

Diagnosis of Canine Distemper

A
  • Clinical signs= resp,tract, mucous membranes, nervous system + skin
  • patho/ histpath
  • Antibodies/ virus antigens
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10
Q

Significance of Canine Distemper

A

1) Always significant if death occurs
2) Chronic changes
3) Loss of olfactory acuity
4) Hard pad disease–working dogs
5) Neurological signs= euthaniasia

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11
Q

Orgin of Canine Distemper

A

Incubation period: 3-7 days

  • AB 9. day
  • Virus ags- meningeal macrophages
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12
Q

Significance of Hip dysplasia

A

*X-ray diagnosis= age dependent

Breeding/ Working animals= all stages

Non breeding animals= if clinical manifestion

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13
Q

Cryptochoridism

A

1) Breeding animals= exclusion from breeding

2) Non breeding animals= neoplastic malformation

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14
Q

Significance of Teeth problems

A

1) Alter efficient dental function
2) Some cannot be treated
3) Risky, expensive treatment
4) Removal of tooth, surgery
5) Consequent GI disease

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15
Q

Primary GI disease horse

A

“Feeding accident”= gastric dilation + rupture

  • improper feeding
  • High intensity training after feeding
  • buyer= contributory negligence
  • first signs= within 24.hours
  • Caecal impaction= 1-2.weeks
  • -> 4.week= weight of free caeacum>4.5kg, dry mater >20kg, 2mm mucous wall
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16
Q

Significance of Primary GI disease

A

1) Death
2) Surgery, high risk
3) High veterinary costs, expensive

17
Q

Secondary GI disease horse

A
  • Chronic problems
  • Intraluminal= benzoars
  • Intramural= tumor
  • Extraluminal=lipoma
18
Q

Origin of secondary GI disease horse

A
  • Strangulation
  • Internal hernia
  • Enterolitis
  • Trichobenzoas
  • Sand eating?
  • Pregnancy??
19
Q

Significance og secondary GI disease

A

1) Death

2) Long lasting(chronic ) –> high veterinary costs

20
Q

Orgin of Iridocyclochoritditis

A
  • Chronic= 30days

- Acute= 2 days prior to primary disease (allergy 7-8 days)

21
Q

Significance of Iridocyclochoriditis

A

1) Blindness
2) Impaired vision
3) VISUAL ACUITY IS A LEGAL CHARACTERITIC

22
Q

Orgin of COPD

A
  • Clinical signs= min 2. weeks
  • Secound heart sound is split= min 6.week
  • exposure to: dust, moulds, fungi, pollen, air polluatants
  • resp tract infection
  • heriditayr predisposion
23
Q

Significance of COPD

A

1) Death
2) Altered ability to work–> always a significant effect of ability to work of a animal
3) check te intended purpose of the horse (should be written)

24
Q

Significance of Behavious problesm

A

1) Affect the purpose of use
2) Health damage
3) Dangerous to environment
4) Improvement is not possible, difficult, requires long time to fix

25
Q

Origin of Behaviour problems

A
  • History
  • Physical examination
  • Hypertrophied muscles, deformed hoof, teeth probl, scars
  • Repeat observation= use camera when you are not there to check if still occurs..
26
Q

Stereotypers of Behaviour

A
  1. Crib biting
  2. Wind suckling
  3. Health
    4: Waving–> joint problems
  4. Gastritis
  5. Gastric dilation, colic
  6. Teeth problems
27
Q

Origin of Swine erysipelas

A

Minimus incubation period= 24hours
-if above >7 days= cannot be orginated back before delivery

  • if below <7 days= examination of predisposing factors ( overcrowding, transport)
  • Endocarditis = min 3.weeks
28
Q

Significance of Swine erysipelas

A

1) Acute case = if death

2) Chronic case = Arthritis, skin necrosis, endocarditis

29
Q

Orgin of SMEDI

A

HERPES + PARVO
-Depends on time of infection

  • Infection around AI or before 70.days of pregnancy
  • Virus in foetus. 23-32
  • Death of foetus 5-70 days
  • Size of foetus 47—108mm on different dates
30
Q

Significance of SMEDI

A

1) Abortion

2) Decreased litter size

31
Q

Diagnosis of SMEDI

A

Usually in young gilts( maternal immunity until 8-9month) older is seropositive
*Clinical signs ( diff due to abortion) + Laboratory examination

  • Abortion of foeatus
  • Stillbirth
  • Mummification
  • Embryonic death
  • Less than 6.piglets
  • Infertility of sow

Forensic exam (2 decks)

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