Prevalence and Genetic Identification of Three Entamoeba Species in Pigs in Southeastern China

Table 2

Entamoeba spp. detected among different pig developmental stage groups in Fujian Province, southeastern China.

Growing stage (s)	Samples (N)	E. histolytica		E. suis		E. polecki ST1		E. polecki ST3		E. polecki ST1 + E. polecki ST3		E. polecki ST1 + E. suis		E. polecki ST3 + E. suis		E. polecki ST1 + E. polecki ST3 + E. suis		Total
		n	Prevalence (%)	n	Prevalence (%)	n	Prevalence (%)	n	Prevalence (%)	n	Prevalence (%)	n	Prevalence (%)	n	Prevalence (%)	n	Prevalence (%)	n^a	Prevalence (%)
			95% CI		95% CI		95% CI		95% CI		95% CI		95% CI		95% CI		95% CI		95% CI
Weaned piglet	116	0	0	2	1.7	64	55.2	64	55.2	45	38.8	0	0	0	0	2	1.7	81	69.8
			NA		NA		46.0–64.4		46.0–64.4		29.8–47.8		NA		NA		NA		61.3–78.3
Sucking piglet	105	0	0	3	2.9	21	20.0	12	11.4	7	6.7	1	1.0	1	1.0	0	0	27	25.7
			NA		NA		12.2–27.8		5.2–17.6		1.8–11.5		NA		NA		NA		17.2–34.2
Sow	280	0	0	62	22.1	139	49.6	86	30.7	64	22.9	21	7.5	1	0.4	18	6.4	167	59.6
			NA		17.2–27.0		43.8–55.5		25.3–36.2		17.9–27.8		4.4–10.6		NA		3.5–9.3		53.9–65.4
Boar	28		0	0	0	13	46.4	12	42.9	11	39.3	0	0	0	0	0	0	14	50.0
			NA		NA		26.7–66.1		23.3–62.4		20.0–58.6		NA		NA		NA		30.3–69.7
Nursery pig	90	0	0	12	13.3	45	50.0	42	46.7	29	32.2	2	2.2	0	0	7	7.8	54	60.0
			NA		6.2–20.5		39.5–60.5		36.2–57.2		22.4–42.1		NA		NA		2.1–13.4		49.7–70.3
Fattening pig	49	0	0	8	16.3	20	40.8	12	24.5	12	24.5	1	2.0	0	0	0	0	27	55.1
			NA		5.6–27.1		26.6–55.1		12.0–37.0		12.0–37.0		NA		NA		NA		40.7–69.5
Total	668	0	0	87	13.0	302	45.2	228	34.1	168	25.1	25	3.7	2	0.3	27	4.0	370	55.4
			NA		10.5–15.6		41.4–49.0		30.5–37.7		21.9–28.4		2.3–5.2		NA		2.5–5.5		51.6–59.2

N: number of samples examined; n: number of positive samples; ^aincluding multiple infections; 95% CI: 95% confidence interval; NA: not applicable.