Frequency of detection and ST distribution of Blastocystis in porcine intestinal segments using PCR (nested and ST-specific primers) in intestinal segments.

Duo: duodenum, Jej: jejunum, Ile: ileum, Cae: caecum, Col: colon, Rec: rectum.*We were unable to obtain rectal samples from 2 pigs, 1 each from the commercial piggery and small family farm respectively.**In the commercial piggery and research facility only ST5 was detected whereas STs 1, 3 and 5 were detected in the small outdoor farm. Seven out of 12 of the pigs from the small outdoor farm had mixed infections of ST 5 and ST1 and/or 3.