MT3- Streptococcus Flashcards
Steptococcus dysgalactiae and streptococcus agalactiae can cause mastitis in cows
T
The capsule is a virulence factor of Streptococcus equi
T
Streptococcus can be divided according to their antigens.
T
Streptococcus are epiphytes
T
Streptococcus are obligate aerobic
F
Steptococcus suis can cause encephalitis of humans
T
Streptococcus suis can cause generalised septicemia in 1-4 week old piglets
F * 5-10 (32) weeks of age
Diarrhoea is a frequent clinical sign of streptococcosis of pigs
F
Iron deficiency can predispose to porcine streptococcosis
T
- Overcrowding, iron deficiency
- Trauma (distal limbs, tooth clipping, castration).
- PRRS, PVC-2
Porcine streptococcosis can be prevented with inactivated vaccines
T
prevented:
- hygiene
- vaccine (inactive)
- good food quality
- prevent predisposed factors
Porcine streptococcosis is treated with penicillins
T
Antibiotics (penicillin, erythromycin, tetracycline)
Arthritis is a frequent clinical sign of streptococcosis of pigs
T
Generalised porcine streptococcosis can mainly be seen in piglets till 5 weeks of age
F
5-10 (32) weeks of age
Purulent meningo-encephalitis can be a postmortem lesion of porcine streptococcosis
T
Pathology:
* Anaemia, haemorrhages
* Spleen hyperplasia
* Liver abscesses, pneumonia
* Polyserositis
* Purulent meningitis
Calcium deficiency can predispose suckling piglets to streptococcosis
F
iron deficiency
Neurological signs are frequent in the case of porcine streptococcosis.
T
Abscesses in the liver frequently seen in the case of porcine streptococcosis
T
Streptococcus suis is the main agent of porcine streptococcosis
T
Porcine streptococcosis is more frequent among adult animals than among young piglets.
F
usually : 5-10 (32) weeks of age
adult: rarely
Streptococcus pyogenes is the main agent of porcine streptococcosis
F
- S. suis
Streptococcosis of pigs can be seen generally among fattening pig
F
Streptococcus in swine can be caused by S. suis serotype II
T
Streptococcus in swine can cause acute purulent encephalomyelitis
T
All ages are susceptible in case of S. suis
T
S. porcinus can cause disease and is an epiphyte
T
S. porcinus is a contagious disease
T
Streptococcus equi subsp. Equi can sometimes cause arthritis
T
Streptococcus equi subsp. Equi is a zoonotic agent
F