Brucella, Francisella, Taylorella

Question 1

Brucella Characteristics

Answer 1

Non-motile
Coccobacilli
Obligate symbiotic and pathogenic
Facultative intracellular
REPORTABLE

Question 2

Brucella is spread mainly by

Answer 2

Females

Abortions - fetus, placenta have large amount of bacteria

Question 3

B. Abortus - Species and Cause

Answer 3

Cattle

Abortions

Question 4

B. Abortus - Pathogenesis

Answer 4

Mucosa/oral/skin –> lymph nodes –> target organ

Question 5

B. Abortus - Target Organs

Answer 5

Repro organs - uterus, fetus, udder
Articulations
Tendon sheaths
Synovial bursa

Question 6

B. Abortus - Virulence Factors

Answer 6

Cell Wall - Smooth colonies - increased virulence

Cell Wall - Rough colonies - less virulent - lacks O-polysaccharide

Question 7

B. Abortus - Vaccinations

Answer 7

Needed for humoral and cellular immunity

Question 8

B. Abortus - Diagnosis

Answer 8

ELISA
SAW/SAT
Rose bengal test

Question 9

B. Suis is resistnat in environment but can’t stand what

Answer 9

Sunlight

Question 10

B. Suis - Biovars (5)

Answer 10

1 - reservoir in hares
2 - hares
3- pigs (most pathogenic)
4 - reindeer and caribou
5 - mice (less pathogenic)

Question 11

B. Suis - Symptoms

Answer 11

Abortion, Orchitis, infertility
Arthritis
Tendovaginitis
Bursitis
Osteomyelitis

Question 12

B. Suis - Zoonotic? More or less pathogenic than Abortus?

Answer 12

Yes Zoonotic

More Pathogenic

Question 13

B. Suis - Acute Infection

Answer 13

Fluctuating body temp
Sweating and chills
Malaise
Joint Pain

Question 14

B. Suis - Chronic

Answer 14

Localization

Necrosis and pus

Question 15

B. Suis - Pathogenesis

Answer 15

Skin and mucous membranes

Question 16

B. Melitensis

Answer 16

Similar to Abortus but in sheep and goats

Zoonotic and more pathogenic

Question 17

B. Canis Characteristics

Answer 17

Does not have O antigen
Obligate parasitic
Zoonotic

Question 18

B. Canis Symptoms

Answer 18

NO FEVER
lymphadenitis
Late abortion
Vaginal discharge
Epididymitis
Scrotum dermatitis
Atrophia testicularis
STD

Question 19

Francisella Characteristics

Answer 19

Pleomorphic
non-motile
Obligate aerobic
Fast growth
REPORTABLE

Question 20

F. Tularensis - Reservoir

Answer 20

Infected lagomorphs
Rodents
Amoeba

Question 21

F. Tularensis - Transmission

Answer 21

Ticks, mozzie and flies
contaminated water
ingestion

Question 22

F. Tularensis - Virulence

Answer 22

Capsule

Endotoxin

Question 23

F. Tularensis - Pathogenesis

Answer 23

Primary pathogen of lagomorphs and rodents

Almost systemic – multi organ failure

Question 24

F. Tularensis - Symptoms in animal

Answer 24

Rarely seen

Liver, spleen, lungs

Question 25

F. Tularensis - Symptoms in People

Answer 25

``` Ulceroglandular lesions Conjunctivitis Pharyngitis Pneumonia Typhoid ```

Question 26

F. Tularensis - Diagnosis

Answer 26

BSL3 Serology PCR

Question 27

Taylorella Equingenitalis Characteristics

Answer 27

Non-motile Coccobacillus Facultative anaerobic REPORTABLE

Question 28

Taylorella Equingenitalis Effect in Males

Answer 28

None

Question 29

Taylorella Equingenitalis Effect in Females

Answer 29

``` CEM Acute suppurative Self limiting Temporarily sterile Highly contagious Become asymptomatic carriers ```

Question 30

Taylorella Equingenitalis Sampling in Stallion

Answer 30

Preputium Urethra Fossa Glandis Sinus urethralis

Question 31

Taylorella Equingenitalis Sampling in Mare

Answer 31

Fossa clitoridis | Sinus clitoridis