Brucella

Question 1

______ causes abortion in cattle and undulant fever in humans

Answer 1

Brucella abortus

Question 2

______ stimulates Brucella abortus growth

Answer 2

erythritol

Question 3

______ bison in yellowstone/elk near the park are some of the last reservoirs of this organism

Answer 3

Brucella abortus

Question 4

______ is edemic to the middle east in cattle, goats, horses and camels

Answer 4

Brucella abortus

Question 5

______ and ______ are the two routes of infection of Brucella abortus

Answer 5

ingestion of contaiminated food/water

skin/mucous membrane penetration

Question 6

T/F B. abortus localizes in the placenta of fetus in the cow causing abortion, in bulls is causes epididymitis and orchitis and leads to infertilty

Answer 6

True

Question 7

______ is a sugar present in the placenta and testis

Answer 7

Erythritol

Question 8

______ replaced Strain 19 vaccination in calves, because it is modified live it should not be given to bull calves

Answer 8

RB51

Question 9

______ and ______ are the two tests for Brucella abortus

Answer 9

Card test- screening

Ring Test- test the milk

Question 10

What are the 3 parts to State-Fed control program of B. abortus?

Answer 10

Blood test cattle,

Elimination of positives

Calf hood immunation

Question 11

T/F Calves are less susceptible to Brucella abortus infection

Answer 11

True

Question 12

______ is the cause of malta fever, human cases have occurred in mexican immigrants who have consumed unpasturized goat milk

Answer 12

Brucella melitensis

Question 13

______ causes disease in goats similar to Brucella abortus in cattle, but goats have no or very mild clinical signs, disease usally not evident until humans become infected

Answer 13

Brucella melitensis

Question 14

______ causes sterility, still born piglets, weak piglets, and focal abcessation of organs, infection of bone may lead to spondylosisor lameness

Answer 14

Brucella suis

Question 15

______ is common in reindeer in Alaska and Canada

Answer 15

Brucella suis?- hand written in my notebook double check this

Question 16

______ to detect Brucella suis can be used on a herd basis since swine do not respond w/ reliable humoral response

Answer 16

Agglutination test

Question 17

______ is the cause of contagious epididymitis in rams, may cause abortion and decreased fertility in ewes

Answer 17

Brucella ovis

Question 18

______ is required by Brucella ovis for growth

Answer 18

CO2

Question 19

T/F Brucella ovis growth is stimualted by erythritol

Answer 19

False, it is not

Question 20

______ and ______ are absent in B. ovis and B. canis, causing both species to be rough

Answer 20

A and M antigen

Question 21

______ causes persistent bacteremia, generalized lymphandenitis, splenitis, embryonic deaths, and late term abortions in dogs

Answer 21

Brucella canis

Question 22

T/F Brucella canis is not sexually transmitted

Answer 22

FALSE

Question 23

______ is used to detect Brucella canis in dogs

Answer 23

RSAT- rapid slide agglutination test

Question 24

______ and ______ are isolated from a number of marine mammals they apparently cause abortion in sim of the species

Answer 24

B. pinnipediae- seals, sealions, whales

and B. cetaceae0- whales