Brucellosis

Question 1

In what species doe the following transmission occur?
- Contact with organisms in vaginal discharges and infected products of conception (e.g., placenta, fetus, fetal fluids).
- Ingestion and transmission through mucous membranes are the major routes
- Can also enter the body via broken skin rarely.

Answer 1

Bovine

Question 2

In what species doe the following transmission occur?
- Penetrating mucosal epithelium, usually of the reproductive tract, after sexual or reproductive transmission

Answer 2

Sheep and Goats (Similar to cattle)

Question 3

In what species doe the following transmission occur?
- Penetrating mucosal epithelium, usually of the reproductive tract, after sexual or reproductive transmission
- Oral transmission by ingestion of infected products of conception

Answer 3

Canines

Question 4

What is the Pathogenesis of Brucellosis?

Answer 4

There is a tendency for the organisms to collect in the hemic-lymphatic organisms, reproductive organs (placenta, testes), mammary gland and vertebral bodies in some species

Question 5

To what specie does these clinical signs/pathology belong:
- Late-term abortions and abortion storms are also possible
- Epididymitis in bulls

Answer 5

Bovine

Question 6

To what specie does these clinical signs/pathology belong:
- Epididymitis in rams (Brucella ovis)
- Late term abortions (Brucella melitensis)

Answer 6

Ovine

Question 7

To what specie does these clinical signs/pathology belong:
Late-term abortions (Brucella melitensis)

Answer 7

Caprine

Question 8

To what specie does these clinical signs/pathology belong:
- Late-term abortion (43-59 days)
- Abortions can be intermittent and normal litters can be delivered between episodes of abortions

Answer 8

Canine Bitches

Question 9

To what specie does these clinical signs/pathology belong:
- Epididymitis
- Chronic infertility
- Abnormalities in spermatozoa

Answer 9

Canine Studs

Question 10

List some acceptable methods of testing for infection with Brucella spp?

Answer 10

• PCR
• Culture
• Serology
• Isolation of organism

Question 11

(T/F) A vaccine is available for bovine brucellosis

Answer 11

True
(none available for canines, only small ruminants, and bovine)

Question 12

(T/F) Brucella canis is not zoonotic

Answer 12

False

Question 13

(T/F) Canine brucellosis is easily treated with antibiotic therapy

Answer 13

False

Question 14

(T/F) A vaccine is available for canine brucellosis

Answer 14

False