Intrinsic Factors Influencing the Infection by Helminth Parasites in Horses under an Oceanic Climate Area (NW Spain)

Table 3

Helminth eggs per gram of feces (EPG) in 418 horses from an oceanic climate area (NW Spain). Spanish Sport Horse (SSH), Spanish Pure Breed (SPB), English Pure Breed (EPB); autochthonous Pura Raza Galega (PRG). Results are expressed as EPG quartiles 1, 2, and 3 (Q1, Q2, and Q3, resp.).

		Statistics	Ascarids	Strongyles	Oxyurids	Cestoda
Age	<3	Q1	0	100	350
		Q2	50	400	350
		Q3	137	775	350
	3–10	Q1	0	100	112	50
		Q2	0	380	150	50
		Q3	50	750	3225	150
	>10	Q1	0	100	100	50
		Q2	0	200	100	50
		Q3	50	500	325	50
		𝜒^2	14.781	10.500	1.560	0.2
		𝑝	0.001	0.005	0.458	0.655
Breed	SSH	Q1
		Q2
		Q3
	SPB	Q1		25
		Q2		50
		Q3		725
	EPB	Q1	0	413	100	50
		Q2	0	650	150	50
		Q3	50	1275	150	50
	PRG	Q1	0	100	100	50
		Q2	0	300	225	50
		Q3	100	700	1362	150
		𝜒^2	3.450	148.841	0.165	0.2
		𝑝	0.327	0.001	0.684	0.655
Sex	Male	Q1		50
		Q2		150
		Q3		600
	Mare	Q1	0	100	100	50
		Q2	0	351	150	50
		Q3	50	750	375	100
		𝜒^2	0.364	7.942
		𝑝	0.546	0.005