Lameness in Cattle

Question 1

Where is lameness most common in cattle?

Answer 1

Distal fetlock 85-90% of the time

Question 2

Which limb is most commonly affected by lameness in cattle?

Answer 2

Hind limbs

Question 3

Which digit is usually the cause of lameness in cattle?

Answer 3

Lateral digit

Question 4

Ulcers and hemorrhage of the corium is caused by what?

Answer 4

Inflammation +/- compression by P3

Question 5

What is the most commonly isolated organism associated with digital toe necrosis?

Answer 5

Staph aureus

Question 6

Applied to healthy claw in order to reduce weight bearing on the abnormal claw

Answer 6

Hoof blocks

Question 7

What type of hoof blocks are preferred?

Answer 7

Oak (harwood)

Question 8

How long should a hoof block be retained on the foot?

Answer 8

4-6wk

Question 9

Sandcrack

Answer 9

Vertical hoof crack

Question 10

Which claw is most commonly cracked vertically?

Answer 10

Front lateral claw (80%)

Question 11

Painless fibrous mass between claws

Answer 11

Interdigital hyperplasia

Question 12

What bacteria causes dermatitis of a corn?

Answer 12

B. nodosus

Question 13

What breed of cow is most commonly affected by corns?

Answer 13

Herefords

Question 14

Are males or females more commonly affected by corns?

Answer 14

Males

Question 15

Solar surface faces axially and weightbearing is shifted to axial wall

Answer 15

Cork screw claw

Question 16

What are the most common causes of septic arthritis in cattle?

Answer 16

Trueperella pyogenes, E. coli

Question 17

If you only have one cow with polyarthritis, what might you suspect other than septic arthritis?

Answer 17

Endocarditis

Question 18

Congenital or genetic predisposition resulting in the inability to hold the stifle in extension

Answer 18

Patellar luxation

Question 19

How do you treat patellar luxation in a cow?

Answer 19

Sulcoplasty, tibial crest transposition, trochela implant