Pig Lameness

Question 1

What are 3 most common lameness problems in neonates?

Answer 1

Foot lesions
Splay leg
Crushing (trauma)

Question 2

What are 5 most common lameness problems in suckling pigs?

Answer 2

Foot lesions
Joint ill
Knee erosion
Tenosynovitis
Trauma

Question 3

What are 5 most common lameness problems in weaners?

Answer 3

Infectious arthritis (Glasser's, strep suis, staph hyicus, myocplasma hyicus)
Trauma
Foot lesions
Neurological lameness
Ricketts

Question 4

What are 6 most common causes of lameness in Growers?

Answer 4

Fresh infectious arthritis (mycoplasma hyosynoviae)
Consequences of previous infectious arthritis
Bursitis
Trauma
Foot lesions
Neurological lameness

Question 5

What are 7 most common causes of lameness in Finishers?

Answer 5

Osteochondrosis dessicans
Mycoplasma hyosynoviae
Erysipelas
Bursitis
Trauma
Consequences of earlier lameness
Foot lesions

Question 6

What are the 6 major causes of lameness in adult pigs? [30-35% of culling]

Answer 6

Erysipelas
Osteochondrosis
Foot lesions
Trauma
Osteitis
Osteoarthritis

Question 7

What is the most common foot lesion of neonates?

What environmental factor can increase occurence of lesions?

Answer 7

Bruising
They have “cartilaginous slippers” at birth
bruising peaks @ 6-8 days, gone by 14

New flooring can increase foot lesions

Question 8

What is the most common foot lesion in suckling pigs?

Answer 8

Erosions of the sole

accompanies bruising as neonate

Question 9

What 2 bacteria cause joint ill in suckling pigs?

Answer 9

Streptococci suis type 1

E. coli (environmental)

Question 10

How do pigs get joint ill?

Answer 10

Get strep suis (1) or e. coli into open wound early in life (ex- through navel, teeth clipping, tail docking, injury)

Question 11

What is tenosynovitis?

Answer 11

Inflammation of the tendon sheath

Question 12

Name 4 causes of infectious arthritis in weaners

Answer 12

Glasser’s disease (h. parasuis), Strep. suis, Staph hyicus, Mycoplasma hyorhinis

Glasser’s and S. suis associated w/ fever and mortality

Question 13

What causes a fresh infection - of infectious arthritis in grower pigs?

Answer 13

Mycoplasma hyorhinis

Question 14

Describe mycoplasma hyorhinis infection in grower pigs, including Dx and Tx.

Answer 14

Oronasal infection @ 10-12 weeks
pigs limp or shift weight
clear yellowish joint fluid
Dx- Confirm by bacterial isolation or serology
Tx - tiamulin, lincomycin, tetracyclines, NSAIDs

Question 15

What is bursitis and in what age group of pigs does it begin to occur?

Answer 15

Growers
Very common!
arises when pigs are housed on solid floors or slats - new bone growth b/c constant pressure, and creates swelling.
can cause reduction in carcass yield

Question 16

What is OCD and what kind of pigs are at risk?

Answer 16

[osteochondrosis dessicans]
Incomplete ossification of growth plate cartilage.
Heavy, rapidly growing pigs at risk

Question 17

What are 4 common foot lesions in adults?

Answer 17

Laminitis
Footrot / bush foot
Overgrowth or deformity of claws
Erosive foot lesions

Question 18

How do you manage a lame sow?

Answer 18

ID cause of lameness
Determine if able to recover
Separate pen
Provide warmth and bedding, food, water w/in reach
Do not send to boar
Help stand up every now and again

Question 19

What do you call a fake noodle?

Answer 19

An impasta!!!!!