pasteurella, mannheimia, histophilus, haemophilus- GI & resp infections

Question 1

what bacteria are in the pasteurellaceae family?

Answer 1

pasturella
mannheimia
haemophilus
histophilus

Question 2

describe the pasteurellaceae family
gram stain
motilily
spores
oxygen
catalase
nutrition

Answer 2

gram - rods or coccobacilli
non-motile
non-sporing
facultative anaerobes
catalase +
fastidious

Question 3

what type of test would you need to order for suspected bacteria of Pasteurellaceae family? (aerobic, anaerbic, or both)

Answer 3

only anaerobic b/c facultative anaerobes

Question 4

what is the cause of the disease pasteurellosis?

Answer 4

infection by pasteurella bacteria

Question 5

what are the major pathogens of pasteurellosis?

Answer 5

-pasteurella multocida
-buiberstenia trehalosi
-mannheimaia haemollyticum

Question 6

where are the bacteria involved with pasteurellosis found?

Answer 6

oral and resp tracts-
mucous membranes

Question 7

what are endogenous infections?

Answer 7

already present in the body but previously asymptomatic

Question 8

what are exogenous infections ?

Answer 8

infection form the non-commensal enter a host, originates outside of the organism

Question 9

what is the portal of entry for pasteurellosis?

Answer 9

via respiratory tract
SQ infections- animal bites

Question 10

what pasteurellosis infections are zoonotic?

Answer 10

pasteurella multocida

Question 11

what disease does pasteurella multocida cause in ruminants, swine, and lab animals?

Answer 11

pneumonia: severe fibrinous broncho and pleuropneumonia

Question 12

what species does pasteurella multocida affect?

Answer 12

wide range

Question 13

what disease does pasteurella multocida cause in chickens and turkeys?

Answer 13

fowl cholera
-contagious and affects wide range of birds

Question 14

what disease does pasteurella multocida cause in dogs and cats?

Answer 14

cough
lung abscesses
fever
shortness of breath
bite wound infections

Question 15

what disease does pasteurella multocida cause in cattle

Answer 15

hemorrhagic septicemia and mastitis

Question 16

how does hemorrhagic septicemia present?

Answer 16

Question 17

what bacteria are involved in bovine respiratory disease?

Answer 17

pastoral multocida
mannheimia haemolytica
histophilus somni

Question 18

what are the clinical signs of BRD?

Answer 18

Question 19

what is the treatment and control of BRD?

Answer 19

Question 20

what are the clinical signs of fowl cholera

Answer 20

-swollen wattles
-joint filled fibropurulent exudates

Question 21

how does pneumonia caused by pasteurella multocida present?

Answer 21

Question 22

how does atrophic rhinitis caused by P. multocida present?

Answer 22

Question 23

what does fowl cholera present as?

Answer 23

acute septicemia- fatal

Question 24

treatment for atrophic rhinintis in pigs

Answer 24

Question 25

what are the clinical manifestations of snuffles in rabbits

Answer 25

Question 26

treatment for snuffles in rabbits

Answer 26

enrofloxacin

Question 27

what type of environment precipitates sniffles in rabbits?

Answer 27

stress
-chilling (immunosuppresent), transport
-poor ventilation, high levels of ammonia

Question 28

what are risk factors of P. multocida

Answer 28

Question 29

what are the virulence factors of P. multocida

Answer 29

Question 30

what disease does manheimia haemolytica cause in cattle?

Answer 30

pneumonia
pneumonic pasteurellosis (shipping fever)

Question 31

what disease does manheimia haemolytica cause in sheep?

Answer 31

pneumonia
septicemia
mastitis

Question 32

what disease does mannheimia varigena disease cause in pigs and cattle

Answer 32

pigs- septicemia, enteritis, pneumonia

cattle- septicemia, pneumonia, mastitis

Question 33

what are the virulence factors of mannheimia haemolytica

Answer 33

Question 34

what does histophulis somni cause in cattle

Answer 34

infectious thromboembolic meningeocephalitis- septicemia with infarct in the cerebellum

Question 35

what does histophilus somni cause in sheep

Answer 35

commensal of genital tract and causes epididymitis and orchitis in rams
-may also cause pneumonia, mastitis, meningitis, and septicemia

Question 36

what are the clinical manifestations of histophilus somni

Answer 36

Question 37

diagnosis od H. somni

Answer 37

Question 38

how is glasser’s disease transmitted in pigs?

Answer 38

piglets acquire from sow shortly after birth
-direct contact or aerosol droplets

Question 39

what can cause the generation of glasser’s disease in pigs?

Answer 39

stressful environment - generates disease in 2-4 wk old piglets

Question 40

what is the cause of glasser’s disease?

Answer 40

histophilus parasuis

Question 41

how is glasser’s disease characterized

Answer 41

Question 42

clinical signs of glasser’s disease

Answer 42

Question 43

Dx of glasser’s disease

Answer 43

Question 44

what is the treatment for glasser’s disease

Answer 44

administer antimicrobials early in disease
-tetracyclines, penicillins; potentiated sulfonamides

Question 45

what is the cause of infectious coryza in poultry?

Answer 45

avibacterium paragllinarium

Question 46

how does coryza present poultry and in chickens?

Answer 46

Question 47

clinical signs of infectious coryza- antemortem and postmortem

Answer 47

*air sacculitis

Question 48

treatment for infectious coryza

Answer 48

Question 49

if you want to diagnosis a disease postmortem and you suspect pneumonia, what part of the body are you going to send out?

Answer 49

portion of pneumonic lung

Question 50

if you want to diagnose a disease postmortem and you suspect septicemia what part of the body are you going to send out?

Answer 50

pieces of liver, spleen, kidney, and lymph nodes