Lameness Flashcards

1
Q

What is the 5-point plan for reducing lameness in a flock?

A
  1. Vaccinate with Footvax 2X year
  2. Treat lame sheep quickly
  3. Biosecurity
  4. Hygiene
  5. Cull chronically lame sheep
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2
Q

What sedative and local is used for claw amputation (disarticulation between P1 and P2)?

A

Xylazine sedative

Procaine local

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3
Q

What pathogens cause CODD in sheep?

A

Treponemes

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4
Q

What are the grades of CODD in sheep?

A
Grade 1 - coronary band lesion only
Grade 2- <50% of horn capsule separated
Grade 3 - >50% horn capsule separated
Grade 4 - healing but active lesion present
Grade 5 - healed
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5
Q

How is CODD treated?

A

Long acting amoxicillin
Or macrolides
(May require repeat treatment)

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6
Q

What pathogen causes interdigial dermatitis (AKA scald or grade 1 footrot)?

A
Dichelobacter nodosus
(Skin must be damaged - wet weather, long plants etc)
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7
Q

How is interdigital dermatitis/scald/grade 1 footrot treated?

A

Topical oxytetracycline spray
Formalin/zinc footbaths
DO NOT TRIM

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8
Q

What pathogen/s are involved with footrot?

A

Dichelobacter nodosus + Fusobacterium necrophorum

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9
Q

How is footrot treated?

A

Injectable, long acting antibiotics (oxytetracycline, amoxicillin

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10
Q

How is footrot prevented?

A

Footvax 2X year

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11
Q

Some sheep are prone to interdigital fibroma due to breed. Are antibiotics required to treat this?

A

No - only if secondary infection

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12
Q

Pedal joint abscesses are a consequence of white line disease. What are the treatment options?

A

Flush and antibiotics
Digital amputation
Euthanasia

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13
Q

Toe granulomas are due to over-trimming or chronic foot disease. How are they treated?

A

Remove granulation tissue and cauterise with disbudding iron
(Under regional anaesthesia)

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14
Q

How is soil balling (balls of soil between toes) treated?

A

Remove

Topical oxytetracycline spray

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15
Q

Does white line disease or shelly hoof cause lameness?

A

No - unless sensitive tissue affected

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16
Q

How are white line abscesses treated?

A

Pare/trim out area of separation and lance abscess

No medication needed as no infection - just separation from wall

17
Q

Name 2 pathogens that can cause joint ill in lambs

A

Erysipelothrix rhusiopathiae
Strep dysgalactiae
(Tickborne)

18
Q

Post-dipping lameness is a swelling above the coronary band that progresses to other joints. What pathogen is involved with post-dipping lameness?

A

Erysipelothrix rhusiopathiae

19
Q

What is the treatment for post-dipping lameness?

A

Penicillin

Clean dipper tank

20
Q

What is ‘strawberry foot’ and what pathogen causes it?

A

Proliferative scab lesions on distal limbs

Dermatophilus

21
Q

How is Strawberry Foot (Dermatophilus) treated?

A

Topical antibiotics

Move to dry area