Ovine

Question 1

What is another name for Border disease?

Answer 1

Hairy Shaker disease

Question 2

What reproductive signs do you see with Border disease?

Answer 2

• abortion
• mummification
• fetal resorption
• decreases pregnancy –> outbreaks of poor fertility

Question 3

What is a classic finding with Border disease?

Answer 3

underweight lamb with muscle tremors and hairy fleece

-undersized at birth

Question 4

What are pathological findings seen with Border disease?

Answer 4

1. cerebral cavitations
2. glial cell hyperplasia
3. demyelination of CNS white matter

Question 5

Dams and antibody titers

Answer 5

• infected dams have high antibody titers
  1. high levels=subsequent immunity
  2. low levels=possible persistent infection

Question 6

What is a common treatment for urinary calculi?

Answer 6

• urinary acidifiers

- lots of water and appropriate Ca:P

Question 7

What clinical signs do we see with copper toxicity?

Answer 7

• acute hemolytic anemia
• hemoglobinuria
• depression
• icterus

Question 8

When do sheep reach puberty?

Answer 8

5-7 months

Question 9

ORF

Answer 9

ZOONOTIC
-crusts at mucocutaneous junctions (eyes, ears, perineum, buccal mucosa)

• lameness
• wt loss in lambs; +/- gangrenous mastitis in ewes

Question 10

Do you vaccinate for orf?

Answer 10

If not present on farm, yes (MLV) but not if it is already present on the farm (isolate and cull)

Question 11

etiological agent for contagious mastitis in ruminants

Answer 11

Mycoplasma agalactiae
-interstital mastitis and atrophy/fibrosis; hot udder

dx: ELISA
tx: cull or segregate