In 1846 Joseph Leidy discovered that the worm trichina is found in this animal
[DOC] [TLE] Trichinosis - Science in Context - Gale [PAR] Although trichinosis is found in some grain-fed pigs, swine fed on garbage 
containing ... Trichinosis was discovered in 1835 by James Paget, a 21-year-old, 
first-year ...