13. Guinea Pig Bacterial Diseases

Question 1

Where is Bordetella harbored?

Answer 1

Upper respiratory tract

Question 2

4 clinical syndromes of Bordetella bronchiseptica

Answer 2

1. Subclinical
2. Enzootic seasonal syndrome - nasal discharge, dyspnea
3. Epizootic outbreak - pneumonia and septicemia
4. Abortion and stillbirth

Question 3

Histopathology of Bordetella

Answer 3

Acute to chronic, suppurative bronchopneumonia

Question 4

Tx of Bordetella

Answer 4

Sulfa drugs
Tetracycline
Chloramphenicol

Question 5

Streptococcosis causes which syndromes?

Answer 5

Bronchopneumonia and sepsis (Strep pneumoniae)
Cervical lymphadenitis (Strep equi)

Question 6

Morphology of stretcoccus pneumoniae

Answer 6

Diplococci

Question 7

Where is streptococus equi zooepidemicus harbored?

Answer 7

nasopharynx and conjunctiva

Question 8

Strep pneumonia vs. Strep equi - which causes disease more often?

Answer 8

Strep equi

Question 9

C/S of Strep equi

Answer 9

Enlarged lymph nodes
Otitis media
Panophthalmitis
Septicemia

Question 10

Tx of Strep equi

Answer 10

Drainage or removal of abscesses

Question 11

Etiology of streptobacillosis

Answer 11

Streptobacillus moniliformis

Question 12

Streptobacillosis causes which dz in GPs?

Answer 12

Cervical lymphadenitis, SQ abscesses

Question 13

Pathology of streptobacillosis

Answer 13

Cervical abscesses

Necrotizing or grnaulomatous pneumonia

Question 14

Tx for Streptobacillosis

Answer 14

Lance, drain, flush, abx

Question 15

Bumblefoot etiology

Answer 15

Staph aureus

Question 16

Exfoliative dermatitis etiology

Answer 16

Staph aureus

Question 17

Most common serovars of Salmonella

Answer 17

S. typhimurium, S. enteritidis

Question 18

Salmonella transmission is caused by what?

Answer 18

Fecal contamination of food
Contaminated greens, water
Presence of carriers

Question 19

Salmonella enters through what route?

Answer 19

Mucosae

Question 20

Most common syndrome of salmonellosis

Answer 20

Septicemia

Question 21

Which Yersinia species causes systemic infection and is zoonotic?

Answer 21

Yersinia pseudotuberculosis

Question 22

Which Yersinia species causes enteritis?

Answer 22

Yersinia enterocolitica

Question 23

C/S of Y pseudotuberculosis

Answer 23

Septicemia, pseudotuberculosis, mesenteric lymphadenitis, diarrhea, emaciation, death

Question 24

Which Clostridial sp causes abx-induced enteritis?

Answer 24

Clostridium dificile

Question 25

Which Clostridial sp causes enteric dysbiosis in germ-free GPs?

Answer 25

Clostridium perfringens

Question 26

Which Clostridial sp causes Tyzzers?

Answer 26

Clostridium piliforme

Question 27

Which abx should not be used in GPs and hamsters?

Answer 27

Abx that target mostly gram-positives (Penicillin, ampicillin, streptomycin, clindamycin, lincomycin, etc)

Question 28

Pathology of Abx-induced enteritis

Answer 28

Hemorrhagic typhlitis

Question 29

C/S of abx-induced enteritis

Answer 29

Diarrhea, anorexia, large abdomen

Question 30

Can Tyzzers lesions be found in the heart in GPs?

Answer 30

No

Question 31

Staining pattern of C. piliforme

Answer 31

Warthin-Starry

Question 32

Distribution of Tyzzer’s lesions

Answer 32

LI and liver

Question 33

E. coli infection is associated with what conditions?

Answer 33

Poor husbandry, crowding, high humidity

Question 34

Pathology of E. coli infection

Answer 34

Distended intestines, peritoneal effusion, splenomegaly, white liver foci

Question 35

Etiology of bacterial mastitis (4)

Answer 35

E. coli
Klebsiella
Strep zooepidemicus
Proteus

Question 36

Etiology of Guinea Pig Inclusion Conjunctivitis

Answer 36

Chlamydophila caviae