Ruminant Dehorning And Declawing

Question 1

Epiceras

Answer 1

• the transition between skin and horn

Question 2

Germinal epithelium of horn bud is between ____ & _____

Answer 2

Cornified epithelium and dermis

Question 3

Dehorning is done

Answer 3

• Proximal to epiceras (Prevents re-growth)
• during 1st wk of life
• removal of germinal epithelium (horn bud)
• must block cornual n. and great auricular n. (Ring block)

Question 4

Location of cornual n. block

Answer 4

• ventral to temporal line halfway between horn and eye

Question 5

Methods of dehorning (4)

Answer 5

• caustic paste ( less than 8 weeks)
• hot-iron / heat cauterization
• knife
• wire and hand saw

Question 6

Why are claw amputations performed

Answer 6

Cows are prone to:

• sole abcess
• laminitis
• foot rot
• fractures
• penetration wounds

Question 7

Part of hindlimb mostly affected by disease/injuries

Answer 7

Lateral claw

Question 8

Distal interdigital ligament

Answer 8

Prevents splaying

Question 9

Regional retrograde anesthesia

Answer 9

• IV
• via dorsal metatarsal/metacarpal v.

Question 10

Amputation levels w/ wire saw

Answer 10

1: on joint of P1 and P2

2: proximal end of P2

3: distal end of P1