EXOTIC DISEASES

Question 1

Neurological disorder affecting cattle

Answer 1

BOVINE SPONGIFORM ENCEPHALOPATHY

Question 2

misfolded proteins

Answer 2

Prions

Question 3

in cases of BOVINE SPONGIFORM ENCEPHALOPATHY, CS signs is observable only when

Answer 3

mature (2-8 yrs)

Question 4

T/F: PH doesn’t have an official BSE risk status

Answer 4

T

Question 5

case fatality rate of Bovine Spongiform Encephalopathy

Answer 5

100%

Question 6

incubation period of Bovine Spongiform Encephalopathy

Answer 6

2-8 yrs

Question 7

in cases of Bovine Spongiform Encephalopathy, risk is greatest in ____

Answer 7

first 6 months of life

Question 8

MOT of Bovine Spongiform Encephalopathy

Answer 8

ingestion,
Foodborne exposure to prions

Question 9

infective tissues to cattle in cases of Bovine Spongiform Encephalopathy (hint: BSR)

Answer 9

brain,
spinal cord,
retina

Question 10

4 clinical exam tests to determine Bovine Spongiform Encephalopathy

Answer 10

a) bang test
b) flash test
c) clipboard test
d) stick test

Question 11

prions replicate in ___

Answer 11

peyer’s patches

Question 12

Gold standard for surveillance programs for BSE

Answer 12

Immunohistochemistry

Question 13

causative agent of Enzootic abortion of ewes

Answer 13

Chlamydophila abortus

Question 14

major source of infection of Enzootic abortion of ewes

Answer 14

vaginal discharge,
placenta, and
aborted fetus

Question 15

2 MOT of Enzootic abortion of ewes

Answer 15

Ingestion organisms,
aerosols

Question 16

infections of Enzootic abortion of ewes activates only during ____ and _____

Answer 16

pregnancy and parturition

Question 17

what phase of pregnancy does abortion occur in cases of Enzootic abortion of ewes

Answer 17

late pregnancy

Question 18

clinical signs of Enzootic abortion of ewes are more severe in what animal species

Answer 18

sheep

Question 19

persistent infection of Enzootic abortion of ewes occurs in the ____

Answer 19

reproductive tract

Question 20

causative agent of Johne’s disease

Answer 20

mycobacterium avium

Question 21

Johne’s disease is widespread in what continent

Answer 21

Europe

Question 22

incidence of Johne’s disease is high in ____

Answer 22

intensive systems

Question 23

Johne’s disease is primarily spread/shed via ___

Answer 23

feces

Question 24

infection of Johne’s disease is (acute VS chronic)

Answer 24

chronic

Question 25

Primary route of transmission of Johne’s disease

Answer 25

nursing

Question 26

Occurs from an animal that has been infected by Johne’s disease for a long time

Answer 26

Intrauterine infection

Question 27

2 Other routes of transmission of Johne’s disease

Answer 27

vectors s (oriental cockroaches, earthworms, adult dipterans, ovine trichostrongylid larvae), Amitraz dips

Question 28

age of animals at risk of Johne’s disease

Answer 28

under 30 days of age

Question 29

Johne’s disease is associated with ____ disease in humans

Answer 29

Crohn's disease

Question 30

Most pathogenic viral dz of small ruminants

Answer 30

NAIROBI SHEEP DISEASE

Question 31

Nairobi sheep disease is transmitted by ___

Answer 31

ticks

Question 32

Nairobi sheep disease endemicity

Answer 32

East & Central Africa

Question 33

antibodies of Nairobi sheep disease have been detected in

Answer 33

Southern & Northeastern Africa, Sri Lanka

Question 34

variant of Nairobi Sheep disease virus in Asia

Answer 34

Ganjam virus

Question 35

2 vectors of Nairobi sheep disease

Answer 35

Brown ear tick/ Rhipicephalus appendiculatus, Bont tick/ Amblyomma variegatum

Question 36

main organ affected by Nairobi sheep disease

Answer 36

Abomasum

Question 37

3 specimens for diagnosis of Nairobi sheep disease

Answer 37

blood, mesenteric LN, spleen

Question 38

Q fever is associated with what organism

Answer 38

Coxiella burnetii

Question 39

3 main reservoirs of Q fever

Answer 39

cattle, sheep, goat

Question 40

2 transmissions of q fever

Answer 40

1. sylvatic 2. domestic cycle

Question 41

main MOT of q fever in humans

Answer 41

inhalation

Question 42

transmission of q fever occurs during ___

Answer 42

parturition