Sudden Death in Ruminants Flashcards

1
Q

What needs to be ruled out before investigating in a cow that has died suddenly?

A

Anthrax

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2
Q

If there are no other clinical signs and a cow is found having died suddenly then who needs to be contacted?

A

APHA - government veterinary service

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3
Q

What is the first question we should ask when presented with a “sudden death”?

A

Was it really a sudden death?

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4
Q

What does sudden death usually mean?

A

Found dead

Died since last inspection

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5
Q

What are some examples of true sudden deaths?

A

Accidents
Trauma
Lightning strike
Overwhelming septicaemia

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6
Q

What is one of the first things that should be done when an animal is found dead?

A

Move animals off the pasture immediately

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7
Q

What should be looked at first before assessing the animal in sudden death?

A
Environment - Walk perimeter and look in ditches
Poisonous plants
Ask about changes
Look for hedge/plant cuttings
Burnt out cars
Feed
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8
Q

What four things should be asked about when taking a history of farm animals with sudden death?

A

Number/groups/fields/ages
Progression of signs
Vaccination and worming history
Management

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9
Q

What should be done on a distant examination when presented with sudden death?

A

Assess rest of herd
Remove clearly sick or affected individuals
Do a closer examination of these animals

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10
Q

What is absolutely important with sudden death animals?

A

Post mortem examination

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11
Q

What is a good idea to do with post mortems instead of carrying them out yourself?

A

Send them off to the VLA

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12
Q

What do post-mortems allow?

A

On the spot diagnosis

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13
Q

What do you need to ensure you’ve done before leaving the farm with sudden cases?

A

Discuss actions

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14
Q

What do you need to ensure you do later on in sudden death cases?

A

Report lab results

Follow-up

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15
Q

What are the six main causes of sudden death?

A
Infectious
Toxicity
Metabolic disease
Nutritional
Other
Ditching
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16
Q

What shouldn’t we assume if a poison is present?

A

All animals were exposed to it

17
Q

What needs to be checked with infectious causes of sudden death?

A

Standard vaccination protocols have been followed

18
Q

What predisposes animals to sudden death from infectious causes?

A

Good nutrition
High stocking density
Flooding

19
Q

How can infectious causes of sudden death by diagnosed?

A

History
Clinical signs noted
Changes in mucous membrane colour
PME

20
Q

What is not available for clostridial vaccination in goats?

A

Vaccination protocol

21
Q

What are two main causes of infectious anaemia caused sudden death?

A

Haemonchus

Fasciola

22
Q

How can toxicity caused sudden death be diagnosed?

A

History - access to plants, all deaths in same field
Search of field
PME - leaves iqn rumen

23
Q

What are “Dead Men’s Fingers”?

A

Tubers of Water Hemlock Dropwort

Usually exposed after clearing ditches or heavy rain

24
Q

What is the major problem with toxicity in feeds?

A

Will rapidly affect all animals within the herd

25
Q

What three things can mineral toxicity be caused by?

A

Iatrogenic - over supplementation
Animals fed wrong type of feed
Error at feed manufacturer

26
Q

What would alert you to grass staggers?

A
Wet weather
Cold weather
Lush pastures
No magnesium supplementation
High levels of potassium on pasture
27
Q

What can be caused by Vitamin B1 deficiency?

A

Cerebro-cortical necrosis

28
Q

What three things can cause sudden death with a change in GIT function?

A

Acidosis
Bloat
Gut torsion

29
Q

What are the two places where sudden death occurs having been caused by deficiency of essential nutrients?

A

Intrinsic - change in micro flora
CCN
Extrinsic - water deprivation

30
Q

Why can water being turned off with a group of pigs be a major problem?

A
Extended time without water
Water turned back on
Drink loads
Salt poisoning
Brain oedema
Death