Caprine

Question 1

Malignant Catarrhal Fever

Answer 1

Herpes Virus 2
- Main carrier sheep
- lymphoproliferative
- fever, oral and nasal erosions, enlarged LN, centripetal corneal opacity

Question 2

Rumen acidosis

Answer 2

Gran overload
- Tachycardia
- depression, anorexia
- fluid filled rumen
- D+

Question 3

Blue Tongue

Answer 3

Blue tongue virus
- Non-contagious - spread via biting midges (Culicoides)
- edema of the ears and face
- loss of oral mucosa
- white streak in skeletal muscle
- Hemorrhage of LN and spleen

Question 4

Caprine arthritis encephalitis

Answer 4

Lentivirus goats only
- Leukoencephalomyelitis (2-6mo)
- Polysynovitis-arthritis (>6mo)
- Hard fibrous udder - decrease milk production (transmission through milk)

Question 5

Enzootic ataxia

Answer 5

Copper deficiency
- lambs and kids
- anemia, faded hairs, heart failure, swollen joints

Question 6

Swayback

Answer 6

Copper deficiency
- congenital disease
- progressive ascending paralysis - incoordination, muscle atrophy, weakness

Question 7

Thiamine deficiency

Answer 7

• Cortical blindness
• head pressing
• incoordination
• convulsions

Question 8

Border disease

Answer 8

Pestivirus
- related classical swing fever and bovine viral diarrhea
- infection before 80 day gestation
- Abortions, macerated/mummified fetus
- “Hairy shaker syndrome” - dome head, short limbs, thick trunk, fine wooly hair

Question 9

Pseudo rabies (sheep)

Answer 9

Carried by Swine
- Paresthesia (mad itch) at site of inoculation
- Neuro: Ataxia, proprioceptive deficits, circling, nystagmus

Question 10

Infectious Keratoconjunctivitis

Answer 10

Mycoplasma and/or Chlamydia
- Acute blindness
- conjunctivitis and keratitis
- topical oxytetracycline

Question 11

Ovine progressive pneumonia

Answer 11

Lentivirus sheep
- >4 year of age
- Wasting + respiratory distress
- mastitis
- Encephalitic form - ataxia, muscle tremors, circling, paralysis

Question 12

Mycoplasma mycoides

Answer 12

Affects kids 10-12 week old - transmitted via milk
- pyrexia, swollen and painful joints
- respiratory signs (pneumonia)
- CNS signs
- Fibrinopurulent polyarthritis
- Culling of all positive animals recommended

Question 13

Strawberry Footrot

Answer 13

Dermatophilus Congolensis
- Crusting lesions at coronary band
- “railroad” track cocci on cytology

Question 14

Johne’s disease

Answer 14

Mycobacterium avium paratuberculosis
- Chronic disease of the bowel - chronic wasting
- wt loss, D+, submandibular edema
- Thickened and corrugated ilium

Question 15

Mannhemimia haemolytica

Answer 15

Most common cause of bacterial pneumonia
- fever, depression, mucopurulent nasal discharge, coughing
- Fibropurulent pleuropneumonia

Question 16

Overeating disease

Answer 16

Clostridium perfengens type D
- High concentrate in diet
- Acute death
- wide spread intestinal necrosis
- pulpy kidney and brain
- glucosuria

Question 17

Infectious footrot

Answer 17

Dichelobacter nodosus extremely contagious
- Barbell shapped rods
- severe lameness
- malodourous exudate
- partial separation of hoof

Question 18

Copper toxicity

Answer 18

Sheep highly susceptible
- acute hemolytic crisis - acute death, icterus, depression, hemoglobinuria
- Gun metal kidney

Question 19

Nematode

Answer 19

Roundworm
- profuse D+
- Anorexia, wt loss, dull fleece
- Faecal float - 2-8 blastomeres
- Tx: Levamasole