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Lameness (LHW) > Non-infectious causes of lameness - cattle > Flashcards

Non-infectious causes of lameness - cattle Flashcards

1
Q

What is the primary cause of claw horn disruption lesions?

A

Movement of 3rd phalanx within the claw capsule

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2
Q

Movement of the 3rd phalanx within the claw capsule causes claw horn disruption lesions. Name some risk factors/causes for this movement

A 
Hormonal changes
Parturition
Management/flooring
Thin digital cushion (low BCS)
Claw horn overgrowth
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3
Q

What are sole haemorrhages or bruising?

A

Contusion of corium

Due to pressure from pedal bone

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4
Q

What is the treatment for sole haemorrhages or bruising?

A

Trimming
Block unaffected claw
NSAIDs

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5
Q

What are sole ulcers?

A

Trauma or contusion of corium

WIth disrupted sole and exposed corium

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6
Q

How are sole ulcers treated?

A

Trimming
Block unaffected claw
NSAIDs

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7
Q

What can cause white line disease, lesions or abcessations?

A

Separation of white line
Stones/manure
Unequal forces on feet - claw overload
Associated with corium contusions

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8
Q

How are white line diseases/lesions/abscesses treated?

A

Trimming
Block unaffected claw
NSAIDs

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9
Q

How are axial wall cracks or fissures treated?

A

Remove detached horn and granulation tissue

Block unaffected claw

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10
Q

What are cockscrew claws? What is the likely cause?

A

Dorsal edge of claw wall deviates from straight line

Hereditary

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11
Q

Deep digital sepsis can be due to untreated Foul in the Foot, ulcers, abscesses or puncture wounds. It causes extreme pain. How can it be treated?

A

Amputation
Arthrodesis
Euthanasia

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12
Q

What are retroarticular abscesses?

A

Abscesses above the heel bulb

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13
Q

Retroarticular abscesses cause pain and extensive swelling on one claw. How should it be treated?

A

Surgery

Digital amputation

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14
Q

What can cause interdigital hyperplasia?

A

Chronic skin irritation (DD, IDD)

Or hereditary

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15
Q

Should interdigital hyperplasia be treated?

A

Can be surgically removed - only if painful

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16
Q

What causes toe ulcers or necrosis?

A

Over-trimming or overwearing of sole

Can lead to osteomyelitis or pathological fractures

17
Q

How are toe ulcers/necrosis treated?

A

Trimming
Block unaffected claw
(May require partial or full digital amputation)

18
Q

Vertical wall cracks or sand cracks may not be painful but can lead to exposed corium and granulation tissue. How should they be treated?

A

Trimming
Block unaffected claw
Stabilise hoof wall

Lameness (LHW) (6 decks)

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