Table 2. Frequency of detection of Blastocystis in porcine intestinal segments using PCR (nested and ST-specific primers) in small versus large intestine.

	Intestinal Section
Farm	Small and large intestine	Large intestine only
Commercial (11)	1	10
Research (5)	5	0
Small family farm (12)	4	8
Total no. of pigs (28)	10	18