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BacT RUSVM Summer 15 > E. coli bovines canines felines > Flashcards

E. coli bovines canines felines Flashcards

1
Q

What are the E. coli diseases in Bovines

A

ETEC
EPEC and EHEC
septicemia

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2
Q

Calfs

A

ETEC

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3
Q

Calfs older than one week E. coli?

A

EPEC & EHEC

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4
Q

Neonate calfs that didn’t get their mothers colostrum?

A

Septicemia

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5
Q

Virulence Factors of ETEC Bovine

A 
Fimbrial
F5 (most common)
F41 (freq w/ F5)
F17- role unclear
CS31A- role unclear- DIARRHEA OLDER ANIMALS

Toxins
Sub type A & B

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6
Q

Pathogenesis ETEC Bovine

A

Oral uptake
Multiplication
Enterotoxin Production
(Secondary septicemia)

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7
Q

What causes ETEC in cows?

A

Colostrum- too little too late too few in antibodies

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8
Q

Dx of ETEC in Bovines

A

Elisa

Culture + Virulence factors (agglutination or PCR)

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9
Q

Tx of ETEC in bovines?

A

Separate ill animals
Hydration
Antibiotics
NSAIDS

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10
Q

Bovine ETEC milking farm Tx

A

Hygiene- separate calfs from cows.

Colostrum- of multi parts animals

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11
Q 
EHEC and EPEC bovine
Genes
Age of illness
signs
zoonotic?
therapy?
A 
EPEC- eae
EHEC-eae + VT
1-8wks
muccoid diarrhea +/- Blood large intestine
Zoonotic (O157:H7)
Antibiotics

Only one slide of info on Dz

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12
Q

Mastitis bovines E. coli details?

A

No virulence factors known

DDx: Gram+/Gram-
Gram- w/ fever
Freq lost udder quarter

Prevention: hygine
Tx: systemic Antibiotics

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13
Q

E. coli septicemia virulence factors for bovines

A 
Serum resistance
Iron uptake systems
endotoxin
capsule
Adhesion factors (P, F17, Afae-VIII, CS31A)
CNF1, CNF2toxins
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14
Q

Septicemia bovines hyperaccute?

A

Acute mortality

Shock

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15
Q

Acute septicemia bovines

A

General symptoms

Fast mortality

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16
Q

Slower Septicemia with organ localization?

A

Poly arthritis, pneumonia, pleuritis, menigo-encephalitis

17
Q

Dx: Septicemia Bovines

A

Clinically (age, signs, colostrum: low gamma globulins in serum)
Isolation + PCR for virulence genes

18
Q

Tx: Septicemia Bovine

A

NSAID (Shock)
antibiotics
Gamma globulins (plasma from older animals

19
Q

Prevention of septicemia in cows

20
Q

E. coli in Dogs

A

ETEC, EPEC, VTEC, EIEC: both in clinically healthy as well as diarrheic K9s
Freq found w/ other pathogens (Parvo, C. perfringens, parasites)

21
Q

E. coli puppies

A

CNF1 E. coli- diarrhea and septicemia

22
Q

Cystitis Canine E. coli
Fimbria
Serotypes
Hemolytic pattern?

A

Type 1, F12, F13
O2, O4, O6, O83
50% alpha-hemolytic

23
Q

Cystitis in cats due to E. coli

A

not common cats have high urine osmolarity

24
Q

Pyometra K9 E. coli

A

Same strains as cystitis

25
Q

Whats the most important BacT disease in Broilers and Layers?

A

E. coli

Facultative pathogen

26
Q

E. coli serotypes in poultry and birds?

A

O1, O2, O78

27
Q

Clinical appearance of E. coli in Avian species

A

Neonatal- Colibacillosis
Respiratory- Clibacillosis & septicemia
Pertonitis- Layers

28
Q

Dx: E. coli avian

A

Pathological lesions

Isolation from different internal organs (Liver, spleen, lung)

29
Q

DDx: E. coli avian

A

Yolk rest infection (omphalitis)
Salmonella, staph, proteus, clostridia, pseudomonos, enterococcus

Acute sepsis
Pasteurella, salmonella, strep, erysipelothrix

Coligranuloma
TB, tumor, chronic blackhead syndrom (turkey)

Airsaculitis
CRD, NDV, IB, ORT, aspergillosis

30
Q

Tx: E. coli birds

A

Very difficult

Antibiotics

31
Q

Prevention

A

Hygiene
stress
tempurature
Vaccine (Poulvac) for breeding stock

32
Q

Scabby hip/ necrotic dermatitis in broilers?

A

E. coli O78, O2
Difficult to diagnose (Feathers)
Found at slaughter
prevent by lowering animal density

33
Q

RPEC

A

Rabbit pathogenic E. coli

34
Q

Dx of RPEC

A

clinical symptoms

Isolation and subtyping (necessary)

35
Q

Tx of RPEC

A

antibiotics

BacT RUSVM Summer 15 (20 decks)

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