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21 Cards in this Set

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Which of the following are NOT associated with nasal bots in sheep?
a) Oestrus ovis
b) major source of economic loss
c) pine tar
d) head shaking
e) common cause of death
b) major source of economic loss (probably not but it does cause wt loss and productivity loss)
e) common cause of death (80% morbidity; 0% mortality)
What is the cardinal sign of upper respiratory disease?
Hypercapnia!
Which of the following are NOT associated with upper respiratory tract neoplasia in small ruminants?
a) transmissible retrovirus
b) goats>sheep
c) malignant and affects ethmoids
d) high mortality once diagnosed
e) usually only older animals
b) goats>sheep (NO; SHEEP>GOATS)
c) malignant and affects ethmoids (NOT MALIGNANT; just expansive)
e) usually only older animals (CAN BE ANIMALS AS YOUNG AS 4 MOS)
What is a common cause of laryngeal inflammation in Texels and Southdowns? How is it treated?
Arcanobacterium pyogenes
Tx: Penicillin & NSAIDS; guarded prognosis unless treated early
Which two organisms are major causes of sudden death and pneumonia in sheep?
Mannheimia haemolytica
Pasteurella trehalosi
Choose the bacterial agent associated with pneumonia in each of the following:
- 6-9 month lambs
- Death in young lambs; pneumonia in older lambs
- Lambs fattened for slaughter
- Emerging pneumonia in goat kids in the US
- non-progressive, atypical pneumonia of lambs
P. trehalosi - 6-9 month lambs
M. haemolytica - Death in young lambs; pneumonia in older lambs
Mycoplasma - Lambs fattened for slaughter
M. mycoides mycoides - Emerging pneumonia in goat kids in the US
Mycoplasma - non-progressive, atypical pneumonia of lambs
Which agents are involved in non-progressive atypical pneumonia of lambs?
Mycoplasma
respiratory syncitial virus
PI-3
Adenovirus
What is an emerging goat pneumonia in the US?
Mycoplasma mycoides mycoides
Which are NOT true regarding M. mycoides mycoides pneumonia in goats?
a) Tylosin or tetracycline is effective treatment
b) Associated with chronic arthritis
c) most common manifestation is swollen joints, high fevers, and pneumonia
d) rarely causes death within the first 3 days
e) Only affects kids
a) Tylosin or tetracycline is effective treatment (RARELY effective)
d) rarely causes death within the first 3 days (NO, this occurs with the peracute and CNS syndromes)
e) Only affects kids (NO; also does)
How is M. mycoides mycoides prevented?
Biosecurity!
Culling kids w/swollen joints
Heat-treat milk/colostrum
Culture/monitoring milk tanks
Metaphylaxis
Choose M. mycoides mycoides or Mycoplasma F38:
- High morbidity/mortality
- NOT in US
- NO vaccine
- Only in goats
- Tylosin/Tetracycline effective
F38 - High morbidity/mortality
F38 - NOT in US
Mycoides - NO vaccine
F38 - Only in goats
F38 - Tylosin/Tetracycline effective
What are the 3 key species in small ruminant parasitic pneumonias?
Dictyocaulus filaria
Muellerius capillaris
Protostrongylus rufescens
Which parasitic pneumonia of sheep/goats is described:
- most common lungworm of sheep/goats
- Produce live larvae
- Associated w/snails in OR
- usu mild dz
- more pathogenic in sheep/goats
Muellerius capillaris - most common lungworm of sheep/goats
Dictyocaulus filaria - Produce live larvae
M. capillaris - Associated w/snails in OR
Protostrongylus rufescens - usu mild dz
M. capillaris - more pathogenic in sheep/goats
What causes caseous lymphadenitis in sheep/goats?
Corynebacterium pseudotuberculosis
Which of the following are NOT true regarding caseous lymphadenitis in sheep/goats:
a) bacterium requires skin defect to infect
b) treatment involves drainage and topical antibiotics
c) good immunity once lesions are drained
d) no serology for diagnosis
e) vaccine doesn't prevent new infections or assuage current ones
a) bacterium requires skin defect to infect (This is most common route but it can DIRECTLY penetrate skin and mucosa)
c) good immunity once lesions are drained (NO - high recurrence rate)
d) no serology for diagnosis (NO - serology or culture)
You listen to a sheep and hear "bubbly porridge". Of course, you immediately then wheelbarrow the sheep around, eliciting large volume of clear fluid from the nostrils. What gives?
Sheep Pulmonary Adenomatosis
Which of the following are NOT true regarding sheep pulmonary adenomatosis?
a) no cough
b) no fever
c) no appetite loss
d) no respiratory distress
e) nasal fluid is NOT invective
f) porridge is disgusting
d) no respiratory distress (SEVERE, PROGRESSIVE distress)
e) nasal fluid is NOT invective (HELLS YEAH IT IS!)
What are the common clinical signs of OPP?
Non-responsive pneumonia, weakness, dyspnea, emaciation
You see a ewe that has a hard udder after lambing and is falling behind when herd is moving...what are you thinking?
OPP! Ovine Progressive PNeumonia
Which are NOT consistent with OPP?
a) Retrovirus (Lentivirus)
b) Treatment is effective if caught early
c) DO NOT let lambs nurse from infected mothers
d) Wheelbarrow test is positive
e) Cannot infect goats
b) Treatment is effective if caught early (NO)
d) Wheelbarrow test is positive (NO; gotta do serology)
e) Cannot infect goats (NO; it CAN infect goats too)
Which of the following are NOT true about CAE?
a) Leukoencephalomyelitis w/pneumonia is most common form
b) AGID is gold standard
c) lifelong infxn; long incubation; no treatment
d) horizontal and vertical transmission
e) emerging dz in US
a) Leukoencephalomyelitis w/pneumonia is most common form (NO; Polysynovitis w/dry udder is most common)
e) emerging dz in US (NO; seroprevalence from 38 to 80% in US)