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Which pathogen is commonly associated with septicemia in piglets and may localize in joints, endocardium, and meninges?
EXPLANATION
General Systemic States
- Pathogenesis of Streptococcus suis in Swine:
- Streptococcus suis (particularly serotypes 1 and 2) is a major encapsulated zoonotic bacterial pathogen of pigs.
- In neonatal and weaned piglets, colonization of palatine tonsils is followed by bacteremia and acute septicemia.
- The pathogen crosses vascular barriers to localize in:
- Meninges: Suppurative meningitis, lateral recumbency, paddling leg movements.
- Synovial Joints: Polyarthritis and joint ill (swollen hocks and stifles).
- Endocardium: Vegetative valvular endocarditis.
- nalysis:
- (Streptococcus suis type 1): Correct pathogen responsible for this systemic syndrome.
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