More Cattle Lameness

Question 1

What is the more common location for digital dermatitis lesions though it can be seen in the interdigital space?

Answer 1

(On the heels)

Question 2

Animals in which stage of digital dermatitis are reservoirs?

Answer 2

(M4)

Question 3

Accumulation of several animals in which stage of digital dermatitis usually occurs at the beginning of an outbreak?

Answer 3

(M2 lesions)

Question 4

If a farm continues to cycle between having M2 and M4 digital dermatitis affecting their cows, what management practice should you examine?

Answer 4

(Foot bath management)

Question 5

What is the main causative agent of digital dermatitis, though there are unknown synergistic bacteria that are necessary for disease to occur?

Answer 5

(Treponema spp.)

Question 6

What antibiotic class is best for use against digital dermatitis?

Answer 6

(Tetracyclines, they work best on Treponema spp.)

Question 7

Beef cattle in what stage of production are most likely to be impacted by digital dermatitis?

Answer 7

(Feedlot)

Question 8

Why is digital dermatitis more difficult to treat in beef cattle cases?

Answer 8

(Do not have a set routine where they have an exact path the cows walk everyday to place a foot bath in)

Question 9

Corkscrew claw is a heritable disease but what other factor can also play a role?

Answer 9

(Nutrition → subclinical ketoacidosis or heavy, fast gain specifically)

Question 10

The lateral/medial (choose) claws on the hindlimbs and the lateral/medial (choose) claws on the forelimbs are typically corkscrew.

Answer 10

(Lateral claw on the hindlimbs and medial claw on the forelimbs)

Question 11

What lesions can occur secondarily to corkscrew claw?

Answer 11

(White line disease and sole ulceration +/- digital sepsis)

Question 12

Pair the following trace minerals with their function:

Zinc/biotin

A - Antioxidant and immunity, protects cell membranes
B - Joint structure and bone density
C - Hoof keratin formation
D - Synthesis/maintenance of ligaments, tendons, bone, and cartilage

Answer 12

C - Hoof keratin formation

Question 13

Pair the following trace minerals with their function:

Manganese

A - Antioxidant and immunity, protects cell membranes
B - Joint structure and bone density
C - Hoof keratin formation
D - Synthesis/maintenance of ligaments, tendons, bone, and cartilage

Answer 13

B - Joint structure and bone density

Question 14

Pair the following trace minerals with their function:

Copper

A - Antioxidant and immunity, protects cell membranes
B - Joint structure and bone density
C - Hoof keratin formation
D - Synthesis/maintenance of ligaments, tendons, bone, and cartilage

Answer 14

D - Synthesis/maintenance of ligaments, tendons, bone, and cartilage

Question 15

Pair the following trace minerals with their function:

Selenium

A - Antioxidant and immunity, protects cell membranes
B - Joint structure and bone density
C - Hoof keratin formation
D - Synthesis/maintenance of ligaments, tendons, bone, and cartilage

Answer 15

A - Antioxidant and immunity, protects cell membranes

Question 16

The toe length for a dairy cow should be how long?

Answer 16

(3 inches)

Question 17

You should dish out more of the sole on the lateral or medial claw in the forelimbs?

Answer 17

(Medial)

Question 18

You should dish out more of the sole on the lateral or medial claw in the hindlimbs?

Answer 18

(Lateral)