Bact E2, IV

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HLW
ID:
69416
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Bact E2, IV
Updated:
2011-03-11 20:21:08
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Bact
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Description:
Bact E2, IV (Strep)
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  1. Stain and morphology of Strep:
    • G+
    • Cocci chains/pairs
  2. Two Classification systems for Strep
    • Hemolysis
    • Seriological
  3. Hemolytic Classifications:
    • a
    • b
    • g
  4. Serological Classifications:
    A, B, C, D, F, G
  5. B Hemolytic Strep include:
    S equi
  6. a Hemolytic Strep include:
    • S. uberis
    • S. pneumoniae
  7. G includes:
    S. Canis
  8. C includes:
    S Equi
  9. D includes:
    S suis
  10. SubSp of Strep Equi:
    • equi
    • Zooepidemicus
  11. Habitat:
    Commensal or obligate pathogens of skin
  12. Where can infection occur?
    • Exogenous
    • Endogenous
  13. Virulence factors of Strep
    • Hemolysin
    • Streptokinase
    • Hyaluronidase
  14. Zoonotic Sp of Strep:
    • S agalactiae
    • S dysgalactiae
    • S uberis
  15. S canis infects:
    • Dogs
    • Cats
  16. S suis infects
    pigs
  17. Sp of Strep that infects cattle:
    • S agalactiae
    • S dysgalactiae
    • S uberis
  18. S equi causes:
    Strangles
  19. Characteristics of S Canis Dz's:
    • Pyogenic
    • Septicemic
  20. S canis causes:
    • puppy strangles
    • Juvenile pyoderma
    • lymphadenitis
    • TSS
    • Septicemia in kittens
  21. S equi, subsp. equi causes:
    • pharyngitis
    • lymphadenitis
    • inhalation pneunomia
  22. Appearance of S equi on BA
    Mucoid B hemolytic olonies
  23. S equi is transmitted via
    Fomites
  24. Pathogenesis of S equi
    • Enters through mouth/nose
    • attaches to tonsillar crypt mucosa
    • -> LN
    • => Swelling/pus
    • Occlusion of Resp pathway
  25. How does S equi become highly infectious?
    Rupture of submandibular LN
  26. S suis causes
    Septicemia in piglets
  27. S porcinus causes
    Jowl Abscesses
  28. What causes chronic mastitis in cattle?
    S agalactiae
  29. What causes acute mastitis in cattle?
    • S dysgalactiae
    • S uberis
  30. What are the symptoms of Strangles(5)?
    • Fever
    • Nasal Discharge
    • Swollen head/neck LN
    • Cough
    • Difficulty Swallowing
  31. Chronic Strangles is called
    Bastard Strangles
  32. Symptoms of Bastard Strangles
    • Weight Loss
    • Dyspnea
    • Abscesses
  33. Tx for Strangles
    • Pen
    • Isolation
  34. S suis clinical Dz's (5):
    • Meningitis
    • Arthritis
    • Septicemia
    • Pneumonie
    • Endocarditis
  35. Dx for S suis:
    • Smear
    • Culture
    • Typing
  36. Tx for S Suis:
    • Pen
    • Ampicillin
  37. Prevention of S suis?
    • Reduce Stress
    • Vx w/ bacterins
  38. Which type of S suis is the most virulent?
    Type 2
  39. Which mastitis causing bacteria are CAMP+?
    S agalactiae
  40. Which mastitis causing bacteria are a hemolytic?
    • S dysgalactiae dysgalacticae
    • S uberis
  41. S agalactiae infects which anatomical locations?
    Exclusively mammary
  42. What anatomical Locations does S dysgalacticae dysgalacticae infect?
    • Mammary (acute)
    • Buccal Cavity
    • Genitalia
    • Skin of udder
  43. What anatomical Locations does S uberis infect?
    • Tonsils
    • Vagina
    • Feces
    • Mastitis
  44. Multipoint Mastitis Control Program:
    • 1. Clean/Dry environment
    • 2. Sanitizing/maint. of milking equip
    • 3. Aseptic teat care
    • 4. Dry-cow therapy
    • 5. Somatic Cell Count/Culling
  45. Drugs used to Tx Strep causing Mastitis:
    • Pen
    • Cloxacillin
    • (same for staph mastitis)
  46. Agent for Jowl abscesses in pigs?
    S porcinus
  47. S porcinus is AKA:
    • Streptococcal lymphadenitis
    • Strangles in hogs
  48. Drugs used to Tx S porcinus
    • Tetracyclines in feed at weaning
    • (Vx not effective)
  49. S _____ causes purpura and gangrenous changes in leg
    suis

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