10. Non-Enteric Bacterial Diseases

Question 1

Site of initial colonization by Pasteurella

Answer 1

Pharynx

Question 2

Where is Pasteurella harbored?

Answer 2

Upper respiratory tract, tympanic bullae

Question 3

Transmission of Pasteurella

Answer 3

Direct contact via oral and resp tract

Question 4

C/S of Pasteurella

Answer 4

Snuffles (atrophic rhinitis), otitis, conjunctivitis, bronchopneumonia, abscessation, genital tract infection (pyometra)

Question 5

Host response to Pasteurella is dependent on what?

Answer 5

Capsule antigens

Question 6

Dx of pasteurella

Answer 6

Serodiagnosis nd PCR

Question 7

Prevention of Pasteurella

Answer 7

Culling of infected animals, barrier housing, rederivation
Furazolidone or sulfaquinoxaline to diet
Tx with enrofloxacin and penicillin

Question 8

C/S of staphylococcosis

Answer 8

Abscesses, pododermatitis, pneumonia rhinitis, conjunctivitis, interdigital abscesses, mammary abscesses
“Blue breast”

Question 9

Staph compared to Pasteurella

Answer 9

Staph has higher presentation of abscesses, pododermatitis, mammary abscesses, mastitis

Question 10

Treponema species

Answer 10

paraluiscuniculi

Question 11

Transmission of treponema

Answer 11

Horizontal - Breeding

Vertical in some cases

Question 12

C/S of Treponema

Answer 12

Vulvar and preputial lesions

Autoinfection causes lesions in nose, eyelids, mouth

Question 13

Etiology of necrobacillosis

Answer 13

Fusobacterium necrophorum

Question 14

Schmorl’s disease

Answer 14

Infection of F. necrophorum of skin and S/C

Question 15

Toxin caused by F. necrophorum

Answer 15

leukotoxin

Question 16

Transmission of F. necrophorum

Answer 16

Fecal contamination of skin wounds

Question 17

C/S of F. necrophorum

Answer 17

Ulceration and caseous necrosis of skin and s/c tissues

Question 18

C/S of listeriosis

Answer 18

Death, anorexia, weight loss, abortion, vaginal discharge
Nonspecific neuro signs
Fetal maceration
Necrotizing acute suppurative metritis

Question 19

Tuberculosis etiology

Answer 19

Mycobacterium bovis. Also M. avium and tuberculosis

Question 20

Pathogenesis of Tuberculosis

Answer 20

Ingestion - inhalation -macrophages - granulomatous inflammation

Question 21

Tx of TB

Answer 21

None. Isoniazin and rifampin may be effective

Question 22

Transmission of francisella tularensis

Answer 22

Blood sucking arthropods

Question 23

Pathology of tularemia

Answer 23

Pinpoint spots on liver, splenomegaly, congested lungs

Question 24

Bordetella c/s in rabbits

Answer 24

Free of dz unless also infected with Pasteurella

Question 25

Pathology of Bordetella

Answer 25

Suppurative bronchopneumonia

Question 26

Pseudomonas c/s

Answer 26

Exudative moist dermatitis, inflammation, alopecia, ulceration

Question 27

Tx for pseudomonas

Answer 27

Clip, clean, SSD, pain meds

Question 28

Yersinia pathology

Answer 28

Focal caseation, necrosis of liver

Question 29

Transmission of yersinia

Answer 29

Ingestion of contaminated food/water

Question 30

CAR bacillus C/S

Answer 30

Rhinitis, asymptomatic

Question 31

CAR bacillus transmission

Answer 31

Aerosol