Swine_Protozoa Flashcards
determine dz based on lesions, etc. (8 cards)
in swine is caused by B. trautmani and B. perroncitoi
Abortion is associated with febrile animals
Porcine babesiosis (Piroplasmosis, Texas fever, Red water, Tick fever)
judgment on carcass: babesiosis
Carcass of an animal showing generalized signs of infection, jaundice and inadequate bleeding
condemned
caused by: S. miescheriana, S. suihominis, and S. porcifelis
Sarcocystosis in pigs (Sarcosporidiosis)
judgment on carcass: Sarcocystosis
moderate to light infestations
lesions are removed and the carcass passed
caused by protozoon Toxoplasma gondii;
characterized with encephalitis, pneumonia and neonatal mortality
Toxoplasmosis
Miscellaneous condition (not caused by protozoa):
susceptibility is inherited by a single recessive gene;
more prevalent in the Pietrain, Poland China, Landrace and Landrace cross breeds of hogs;
commonly associated with the PSE (Pale Soft Exudative)/ DFD (Dry Firm Dark)
related to excessive postmortem glycolysis, production of lactic acid, fall in pH with depigmentation and consequently reduced water binding.
The following colours are observed:
Extremely pale
Pale
Normal
Dark
Extremely dark
Muscle may be:
Extremely soft, wet
Soft
Normal
Firm, dry
Extremely firm, dry
Porcine stress syndrome (PSS)
judgment on carcass: PSE or DFD
slight lesions are present
approved
judgment on carcass: PSE or DFD
Extensive involvement of the carcass
may require down grading for manufacturing purposes, or condemnation.
