Equine Respiratory Flashcards

1
Q

Signs of equine influenza

A

Acute fever, cough, serous (clear) nasal discharge

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2
Q

Equine influenza incubation period

A

1-3 days

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3
Q

How long equine influenza vaccine lasts

A

Ab 6 months

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4
Q

2 strains of equine herpes virus

A

EVH 1 and EVH 4

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5
Q

Difference between EVH 1 and 4

A
EVH1= abortion, septicemia, neurologic (myeloencephalopathy) 
EVH4= rhinopneumonitis
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6
Q

What is myeloencephalopathy

A

Neurologic disease affecting spinal cord and brain

Hindlimb weakness, incoordination, limp tail, loss or bladder tone

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7
Q

What is Rhinopneumonitis

Signs

A

URI in young (usu <3 yrs)

Fever, depression, purulent discharge, cough

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8
Q

how is EVH spread

A

Inhalation or ingestion

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9
Q

How diagnose EVH

A

Ab titer or virus isolation

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10
Q

There are vaccines against all form of EVH accept for

A

Neurological form

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11
Q

What is equine influenza

A

Epizootic viral resp disease, primarily URI

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12
Q

Which EVH Strain is reproductive form

How does it affect young

A

EVH 1: can cause sudden abortion during late gestation or foal septicemia (virus affects foal in uterus, born weak, high fatality)

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13
Q

EVH 1 vaccine vs EVH 4 vaccine

A

EVH1: prevents abortion (give ya 5,7, and 9 months gestation) killed
EVH4: protects against respiratory form

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14
Q

COPD is also called

A

Heaves (chronic obstructive pulmonary disease)

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15
Q

What is heaves/ COPD (what causes it? )

A

Non-infectious resp disease, thought to be due to hypersensitivity + allergens

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16
Q

Which equine respiratory disease is known as a “disease of domestication”

A

Heaves/ COPD

17
Q

What causes heaves/COPD

A

Repeated exposure to dust / allergens like moldy hay

18
Q

Early signs of heaves

Progressive signs

A

Early: dry hacking cough, rales heard upon auscultation
RR and cough increase upon exercise (normal at rest)
Progresses: extreme rales, resp effort occurs even at rest, cough more frequent w spasms. Heave line may develop

19
Q

What a heave line looks like

A

Muscles develop around abdomen

20
Q

How to treat and prevent heaves

A

Remove allergen exposure asap
Also treat w antihistamines or bronchodilators
Feed dust free feeds, good ventilation

21
Q

What kind of disease is strangles

What it causes

A

Infectious and contagious respiratory disease

Causes URI and serious sequella (consequences ) may occur

22
Q

What causes strangles

A

Streptococcus equi ss equi

23
Q

Signs of strangles

A

Acute onset, fever, anorexia, thick mucopurulent discharge, soft/moist cough, swollen lymph nodes that break open

24
Q

Incubation time of strangles

A

3-6 days

25
Q

Possible sequella of strangles

A

Aspiration pneumonia, bastard strangles (spreads to other nodes within the body)

26
Q

How to treat strangles

A

Antibiotics and supportive care