MT3- Streptococcus Flashcards

1
Q

Steptococcus dysgalactiae and streptococcus agalactiae can cause mastitis in cows

A

T

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2
Q

The capsule is a virulence factor of Streptococcus equi

A

T

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3
Q

Streptococcus can be divided according to their antigens.

A

T

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4
Q

Streptococcus are epiphytes

A

T

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5
Q

Streptococcus are obligate aerobic

A

F

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6
Q

Steptococcus suis can cause encephalitis of humans

A

T

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7
Q

Streptococcus suis can cause generalised septicemia in 1-4 week old piglets

A

F * 5-10 (32) weeks of age

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8
Q

Diarrhoea is a frequent clinical sign of streptococcosis of pigs

A

F

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9
Q

Iron deficiency can predispose to porcine streptococcosis

A

T

  • Overcrowding, iron deficiency
  • Trauma (distal limbs, tooth clipping, castration).
  • PRRS, PVC-2
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10
Q

Porcine streptococcosis can be prevented with inactivated vaccines

A

T

prevented:

  • hygiene
  • vaccine (inactive)
  • good food quality
  • prevent predisposed factors
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11
Q

Porcine streptococcosis is treated with penicillins

A

T

Antibiotics (penicillin, erythromycin, tetracycline)

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12
Q

Arthritis is a frequent clinical sign of streptococcosis of pigs

A

T

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13
Q

Generalised porcine streptococcosis can mainly be seen in piglets till 5 weeks of age

A

F

5-10 (32) weeks of age

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14
Q

Purulent meningo-encephalitis can be a postmortem lesion of porcine streptococcosis

A

T

Pathology:
* Anaemia, haemorrhages
* Spleen hyperplasia
* Liver abscesses, pneumonia
* Polyserositis
* Purulent meningitis

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15
Q

Calcium deficiency can predispose suckling piglets to streptococcosis

A

F

iron deficiency

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16
Q

Neurological signs are frequent in the case of porcine streptococcosis.

A

T

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17
Q

Abscesses in the liver frequently seen in the case of porcine streptococcosis

A

T

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18
Q

Streptococcus suis is the main agent of porcine streptococcosis

A

T

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19
Q

Porcine streptococcosis is more frequent among adult animals than among young piglets.

A

F

usually : 5-10 (32) weeks of age
adult: rarely

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20
Q

Streptococcus pyogenes is the main agent of porcine streptococcosis

A

F

  • S. suis
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21
Q

Streptococcosis of pigs can be seen generally among fattening pig

A

F

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22
Q

Streptococcus in swine can be caused by S. suis serotype II

A

T

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23
Q

Streptococcus in swine can cause acute purulent encephalomyelitis

A

T

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24
Q

All ages are susceptible in case of S. suis

A

T

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25
Q

S. porcinus can cause disease and is an epiphyte

A

T

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26
Q

S. porcinus is a contagious disease

A

T

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27
Q

Streptococcus equi subsp. Equi can sometimes cause arthritis

A

T

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28
Q

Streptococcus equi subsp. Equi is a zoonotic agent

A

F

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29
Q

Strangles can be diagnosed by staining abscess content

A

T

diagnosis:
* Clinical history, clinical symptoms, pathology
* Smear, bacterial culture, PCR
* Specific antibody detection

30
Q

Colic can be a clinical sign of strangles

A

T

colic in young foals

31
Q

In endemic studs strangles is generally seen in horses that are older than 6 months

A

T

32
Q

The agent of strangles is carried on the tonsils of most horses

A

F

  • Lesions in nasal, and pharyngeal cavity
33
Q

Strangles is mainly seen in foals till the age of 4 months of age

A

F

  • Young foals (1/2-2 years)
34
Q

The agent of strangles is spreading very fast among horses

A

T

35
Q

Recovered animals carry the agent of strangles for a certain time

A

T

36
Q

Horses with strangles are treated with penicillin

A

T

therapy:

  • Penicillin, cephalosporin, macrolides
    *Surgical treatment, disinfection
    *Isolation, allowed to rest, prevent predisposing factors
37
Q

The mortality of strangles is high

A

F

Mortality max. 5%

38
Q

The toxin of the agent is responsible for the lesions of strangles

A

F

39
Q

Abscessation of the lymph nodes is a clinical sign of strangles

A

T

older foals: abscess in LN

40
Q

Carriers of agent of strangles can detected with PCR

A

T

Diagnosis:
* Clinical signs , pathology
* Smear, bacterial culture, PCR
* Specific antibody detection

41
Q

In endemic studs strangles is generally seen in horses that are older than 6 months.

A

T

42
Q

Carriers of agent of strangles can detected with bacterium culture.

A

T

Diagnosis:
* Clinical signs , pathology
* Smear, bacterial culture, PCR
* Specific antibody detection

43
Q

Haemorrhagic diarrhoea can be a clinical sign of strangles

A

F

44
Q

Strangles is caused by Staphylococcus aureus subsp. aureus

A

F

S. equi subsp. equi (S. equi
subsp. zooepidemicus)

45
Q

The morbidity of strangles is high, but the mortality is low

A

T

morbidity (100%)
Mortality max. 5%

46
Q

Abscesses are the typical clinical signs of strangles

A

T

47
Q

The causative agent of strangles is Streptococcus equi subsp. equi

A

T

48
Q

The causative agent of strangles has to be introduced in the herd

A

T

introduced into the herd by recovered horses (carriers)

49
Q

Strangles is treated with polymyxins

A

F

therapy:

  • Penicillin, cephalosporin, macrolides
    *Surgical treatment, disinfection
    *Isolation, allowed to rest, prevent predisposing factors
50
Q

Strangles can be successfully treated with penicillin

A

T

therapy:

  • Penicillin, cephalosporin, macrolides
    *Surgical treatment, disinfection
    *Isolation, allowed to rest, prevent predisposing factors
51
Q

When abscesses develop in strangles, the prognosis is poor.

A

F

52
Q

The causative agent of strangles is obligate pathogen

A

T

53
Q

In strangles, morbidity is high

A

T

morbidity (100%)
Mortality max. 5%

54
Q

Fever is an important sign of strangles.

A

T

55
Q

Strangles has disappeared, due to extensive vaccination of the foals

A

F

*Vaccine: moderate protection only

56
Q

Mortality of strangles is high

A

F

morbidity (100%)
Mortality max. 5%

57
Q

Strangles disappeared because of widespread vaccination of the foals

A

F

*Vaccine: moderate protection only

58
Q

Carriage of the agent of strangles can be confirmed by isolation from the tonsils.

A

F

59
Q

Strangles has a morbidity of 100 %

A

T

morbidity (100%)
Mortality max. 5%

60
Q

Strangles pathogen is usually present on mucous membranes

A

F

61
Q

The causative agent of strangles are an epiphyte

A

F

62
Q

Prognosis of strangles is bad if an abscess rupture

A

F

63
Q

Strangles can be treated with penicillin

A

T

therapy:

  • Penicillin, cephalosporin, macrolides
    *Surgical treatment, disinfection
    *Isolation, allowed to rest, prevent predisposing factors
64
Q

For the occurrence of strangles, predisposing factors are needed.

A

T

  • Introduced into the herd
  • predisposed factors
65
Q

Strangles can be diagnosed by serology

A

T

Diagnosis:
* Clinical signs , pathology
* Smear, bacterial culture, PCR
* Specific antibody detection

66
Q

The causative agent of strangles is present in all horses

A

F

67
Q

Strangles is mainly seen in horses aged 6 months-1⁄2 years

A

T

  • Young foals (1/2-2 years)
  • Older foals (2-5 years)
68
Q

Penicillin is an effective antibiotic for the treatment of strangles

A

T

therapy:

  • Penicillin, cephalosporin, macrolides
    *Surgical treatment, disinfection
    *Isolation, allowed to rest, prevent predisposing factors
69
Q

The agent of strangles is carried by the majority of horses on the mucous membranes

A

F

70
Q

Diarrhoea is a typical sign of strangles

A

F

71
Q

Animals with strangles generally do not have fever

A

F

  • Fever is a imp clinical sign