Porcine Stress Syndrome Flashcards

Question	Answer		Article
What is the molecular basis of PSS and how is it caused?	A defective ryanodine receptor Autosomal recessive genetic trait		Link to Article
Which drug can induce PSS?	Halothane anaesthetic		Link to Article
Why is the trait common?	Animals with the trait have well developed musculature and larger carcass weights so have favourable breeding characteristics. This trait has largely been eliminated from stock in developed countries.		Link to Article
What are the early signs that a pig may be susceptible to PSS?	Tail tremors and fine fasciculations		Link to Article
What are the more advanced clinical signs of PSS?	Raised rectal temperature Panting/dyspnoea Hyperhidrosis Tachycardia Trembling Hypertonicity Lameness Cyanosis Blotchy, red skin		Link to Article
What pathognomic sign is seen in dead pigs?	Rapid onset of rigor mortis and development of soft, pale, watery musculature within 15-30 minutes of death.		Link to Article