Orthopedic Diseases of Pigs

Question 1

What are infectious ddx for lameness in pigs?

Answer 1

Strep suis, Erysipelas, Mycoplasma, H. parasuis

Question 2

Multiple fast growing, well muscled pigs 4-8mo present lame

Answer 2

OCD

Question 3

Defects in articular cartilage

Answer 3

OCD

Question 4

Where in a pig is OCD most common?

Answer 4

Medial femoral condyle, humeral condyle, humeral head, glenoid scapula, distal ulna

Question 5

How do you treat OCD in pigs?

Answer 5

Cull

Question 6

Does cross-breeding help eliminate OCD from a herd?

Answer 6

No

Question 7

What is the causative agent of Glasser’s disease?

Answer 7

Haemophilus parasuis

Question 8

What are clinical signs of Glasser’s disease (H. parasuis)?

Answer 8

Swollen painful joints, shifting leg lameness

Question 9

What non-ortho signs are assoc. w/Glasser’s disease (H. parasuis)?

Answer 9

Pneumonia, sometimes neuros signs

Question 10

What age of pigs are affected by H. parausis?

Answer 10

2wk-4mo

Question 11

What will you see on necropsy of a H. parasuis pig?

Answer 11

Fibrinopurulent pleuritis and peritonitis

Question 12

How do you treat Glasser’s disease (H. parasuis)?

Answer 12

Penicillin

Question 13

What other disease presents similar to Glasser’s but has a low mortality?

Answer 13

Mycoplama hyorhinis

Question 14

What are clinical signs of Mycoplasma hyorhinis?

Answer 14

Polyarthritis, polyserosities, fever, pneumonia

Question 15

What age of pigs are affected by Mycoplasma hyorhinis?

Answer 15

2-4mo