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porcine stress syndrome
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porcine stress syndrome

Also known as: PSS
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Quick Summary

Porcine stress syndrome (PSS) is a genetic condition in pigs that can increase the likelihood of producing pale, soft, and exudative (PSE) meat. PSE meat results from a rapid drop in pH while muscle temperature remains high, negatively impacting muscle proteins. This causes the meat to lose water, becoming soft and mushy, and appear pale due to how light reflects off its surface. PSS is known to be stress-related and inheritable. Disease prevention in pigs involves biosecurity measures, vaccination, optimal nutrition, and comfortable housing.12

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2 Britannica Sources
  1. meat processing - PSE meat
  2. livestock farming - Disease prevention

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