Diseases

Question 1

Big knee is synonymous to which disease

Answer 1

Carprine arthritis encephalitis

Question 2

In CAE, which age group mostly presents with encephalitis

Answer 2

Kids usually less than 6months

Question 3

Which target organs are usually affected by the CAE virus

Answer 3

Mammary gland viral mastitis
Lungs progressive pnuemonia
Tendon sheaths joints arthritis
Nervous tissue nuerological signs

Question 4

How is CAE transmitted

Answer 4

Drinking infected milk as a kid or adult
Secretions(saliva respiratory, blood, semen)
Blood on instrunents

Question 5

Is CAE a zoonosis

Answer 5

Yes

Question 6

Name any three neurological diseases in goats

Answer 6

CAE
Polioencephalomalacia
Listeriosis
CAE

Question 7

What is the nutritional cause of polioencephalomalacia

Answer 7

Low thiamine

Or high sulfur

Question 8

Fast growing Sheep with dorsomedial strabismus, cortical blindness, opisthotonus. Responded well to vitamin B1 therapy

Answer 8

PEM

Question 9

Treatment for PEM

Answer 9

Thiamine 10-20mg/kg tid
Reduce cerebral oedema by giving Dexa 1-2mg/kg, mannitol
Seizures diazepam
Supportive - transfuse, correct diet

Question 10

What is the last sign to dissappear in treatment of PEM

Answer 10

Blindness

Question 11

What are the nutritional toxicities or deficiencies can cause signs in PEM

Answer 11

Thiamine deficiency
Sulfur toxicosis
Water deprivation
Lead toxicosis
Sodium toxicity

Question 12

What plants can give rise to a high Sulfur content

Answer 12

Alfafa
Brackenfern
Lambsquarter

Question 13

What are the differentials for Cerebrocortical necrosis (PEM) in sheep

Answer 13

Listeriosis
Pregnancy toxemia
Type D clostridial enterotoxemia

Question 14

Which type of feed contributes to low thiamine

Roughage vs grain

Answer 14

Grain. Roughage promotes rumen microbial activity which produces thiamine

Question 15

How do u you diagnose PEM

Answer 15

Measure levels of thiamine
Sulfur content in diet, water
Necropsy-laminar cortical necrosis in the brain

Question 16

What are the two types of caseous lymphadenitis

Answer 16

External form

Internal form

Question 17

Typical signs of the internal form

Answer 17

Affects internal Lymphnodes and the viscera hence there is poor weight gain and ill thrift

Question 18

What is the other name for listeriosis

Answer 18

Circling disease

Question 19

Which part of the brain is affected in listeriosis

Answer 19

Brainstem

Question 20

Which nerve is affected in listeriosis

Answer 20

Trigeminal nerve

Question 21

Which function sensory or motor is affected in the trigeminal nerve

Answer 21

Both

Question 22

What signs do you see when the motor and sensory functions of CN V is affected in listeriosis

Answer 22

Assymetric sensory loss on the face

Weak jaw closure (Food in the mouth)

Question 23

What are the clinical manifestations of listeriosis

Answer 23

Encephalitis
Abortion
Septicemia

Question 24

What is most clinical form of listeria in ruminants

Answer 24

Encephalitis

Question 25

Monogastric animals have which clinical form of listeria

Answer 25

Septicemia

Question 26

Clinically differentiate Listeriosis from pregnancy toxemia in ewes and Ketosis in cattle

Answer 26

Ear and facial paralysis is only seen in listeriosis

Question 27

How do you confirm listeriosis

Answer 27

Only by isolation of listeria from brain or aborted placenta and fetus

Question 28

Why is Listeriosis not routinely diagnosed by serology

Answer 28

Many healthy animals have high titres of listeria

Question 29

What is the drug of choice in listeriosis

Answer 29

High dose penicillin IM daily 1-2weeks

Question 30

What other drugs of choice are effective in listeria

Answer 30

Ceftiofur, erythromycin, trimethoprim/sulphonamide

Question 31

Why does spoiled silage likely to Harbour listeria

Answer 31

High pH favors listeria

Question 32

What is the cause of equine protozoal myelitis

Answer 32

Sarcosystis nuerona