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RUSVM Bacteriology > E. Coli > Flashcards

Flashcards in E. Coli Deck (84)
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31

ETEC in Pigs - Treatment

Hydration
Antimicrobial

32

ETEC in Pigs - Prevention

Keep infection pressure low and maternal immunity high
Proper Hygiene
Vaccination
Selection of receptor free piglets

33

VTEC in Pigs - Symptoms

EDEMA - Swollen eyelids, hoarse voice, CNS symptoms
Anorexia

34

VTEC in Pigs - Virulence

F 4,18
St2e

35

VTEC in Pigs - Epidemiology

Sow to piglet
Weaning --> stress, changes in intestinal flora, maternal immunity

36

VTEC in Pigs - Pathogenesis

Excretion --> infection pressure increases --> contamination of other piglets

37

VTEC in Pigs - Toxin

Hyper acute - enterorrhagia
Acute - permeability blood vessels edema
Slower - intravascular coagulation
Endotoxins - Shock and acute mortality

38

VTEC in Pigs - Diagnosis

Clinical signs
Pathologic findings
Bacteriology
Virulence factors

39

VTEC in Pigs - Treatment

Reduce stress, Feed composition, Flora adaptation
Not yet affected - antimicrobial therapy

40

VTEC in Pigs - Prevention

Reduce stress
Feed composition
Adaptation of flora - probiotics, vaccination
Receptor negative animals

41

EPEC in Pigs

Rare
Diarrhea at weaning
Diagnosis - Isolation + PCR

42

UTI in Pigs - Predisposing Factors

Hygiene
Water intake
Obstipation
Age
Individual

43

UTI in Pigs - Symptoms

Anorexia
Hematuria
Vaginal exudate
General Malaise

44

UTI in Pigs - Diagnosis

Bacteriology

45

UTI in Pigs - Treatment

Culling
Antibiotics

46

MMA of PPDS in Pigs - Etiology

Heredity
Hormonal
Feed
Infectious agents

47

MMA

Metritis Mastitis Agalactiae

48

PPDS

Post Partum Dysgalactiae Syndrome

49

ETEC in Bovine - Symptoms

Diarrhea
Dehydration

50

ETEC in Bovine - Target

Less than 3 days old

51

ETEC in Bovine - Virulence

F 5,41,17 CS31A
STa,b

52

ETEC in Bovine - Pathogenesis

Orap uptake --> XXX intestine --> enterotoxin production --> secondary septicemia
Immunity/infection pressure imbalance

53

ETEC in Bovine - Diagnosis

ELISA
Culture + Virulence factor

54

ETEC in Bovine - Therapy

Separate sick animals
Provide hydration
Antibiotics
NSAIDs

55

ETEC in Bovine - Prevention

Hygiene - separate calves from mothers
Antibiotics

56

EHEC and EPEC (eae) in Bovine - Target

1-8 week old

57

EHEC and EPEC in Bovine - Symptoms

Mucoid diarrhea +/- blood
Mainly in large intestine

58

EHEC in Bovine Zoonotic?

Yes

59

Septicemia in Bovine - Virulence

Serum resistance
Iron uptake systems
Capsule
F17, CS31A, CNF1 and CNF2

60

Septicemia in Bovine - Pathogenesis

Bacteria PO --> lymph tissue of head, throat, intestine
Umbilical cord --> septicemia colostrum