Vetdle Archive Case #84: Swine Oedema Disease

Clinical Clues

Recently weaned pigs are found dead or showing acute incoordination and recumbency.
Several affected animals have swollen eyelids and a squealing voice.
The pigs were among the better growers before the outbreak.
Fever is not a prominent feature despite the severe neurologic signs.
The pattern is consistent with toxin-mediated vascular damage associated with certain E coli strains.
This post-weaning disease of pigs commonly causes oedema, neurologic signs, and sudden death.

Diagnosis

Swine Oedema Disease

This case is most consistent with Swine Oedema Disease because the recently weaned pigs have eyelid swelling, neurologic signs, and sudden deaths without a strong febrile component. The most important clues are the post-weaning timing and oedema pattern, which distinguish it from simple enteric diarrhoea.

Learning review

Review the case evidence

Use the paired clues to explain how the evidence in this pig case supports the provided diagnosis, Swine Oedema Disease, then compare your reasoning with the case explanation.

Evidence checkpoints

Clues 1-2

Clue 1: Recently weaned pigs are found dead or showing acute incoordination and recumbency.
Clue 2: Several affected animals have swollen eyelids and a squealing voice.

Clues 3-4

Clue 3: The pigs were among the better growers before the outbreak.
Clue 4: Fever is not a prominent feature despite the severe neurologic signs.

Clues 5-6

Clue 5: The pattern is consistent with toxin-mediated vascular damage associated with certain E coli strains.
Clue 6: This post-weaning disease of pigs commonly causes oedema, neurologic signs, and sudden death.

Self-review prompts

After clues 1-2, what evidence from this pig case shaped your initial interpretation?
When you compare clues 3-4 with clues 1-2, what changed in your reasoning about Swine Oedema Disease?
How do clues 5-6 align with the case explanation for Swine Oedema Disease?

Educational Use

Vetdle archive cases are educational veterinary games for diagnostic reasoning practice. They do not provide veterinary advice, diagnosis, treatment, or professional medical guidance.