Bovine musculoskeletal

Question 1

Clostridial Myositis (“Blackleg”) in cattle is

Answer 1

Common for feedlot
Clostridium chauvoei
Ingested, crosses GIT barrier into blood, deposited into skeletal tissue, lies dormant spontaneously sporulates

Question 2

Symptoms and signs of Clostridial Myositis (“Blackleg”) in cattle

Answer 2

Symptoms
Depression
Non-weightbearing lameness
Death
Crepitus when hide is pressed
Rapid decomposition
Muscle tissue
Black-red
Gas

Question 3

Clostridial Myositis (“Blackleg”) in cattle treatment and prevention

Answer 3

Treatment difficult
Prognosis grave
Prevention
Vaccination

Question 4

Septic Arthritis in cattle

Answer 4

Common in feedlot
Primary to trauma
Secondary to pneumonia
Mycoplasma bovis

Question 5

Septic Arthritis symptoms and diagnosis in cattle

Answer 5

Symptoms
Marked to non-weight bearing lameness
Joint swelling
Diagnosis
Culture (challenging)
PCR

Question 6

Treatment of septic arthritis in cattle

Answer 6

Antibiotic therapy
Limitations
Extra label use
Withdrawal times
Impaired antibiotic penetration
Inherent multidrug resistance

Question 7

Prognosis and prevention of septic arthritis in cattle

Answer 7

Prognosis
Poor
Prevention
Prophylactic antibiotics on arrival
Vaccination? (Mycoplasma bovis)

Question 8

Interdigital Phlegmon (“Foot Rot”) is most common in

Answer 8

Mostly cattle grazed at wet pasture/stubble fields
Beef cows
Breeding bulls

Question 9

Interdigital Phlegmon (“Foot Rot”) in cattle is caused by

Answer 9

Fusibacterium necrophorum
Mixed bacterial infections
Abrasions → cellulitis

Question 10

Symptoms of foot rot

Answer 10

Non-weight bearing lameness
Swollen distal limb
Between dew claws

Question 11

Treatment and prevention of foot rot in cattle

Answer 11

Treatment
Penicillin
Prognosis
Excellent
Prevention
Avoid grazing stubble fields/wet pasture
Foot baths