Table 1.

Seasonal trend of prevalence, EPG mean excretion and odds ratio values for D. dendriticum in farm faecal pools samples

Season	Total no. of farms	No. of positive farms	% positive farmsa	EPG Mean ± SDb	Odds ratio
Spring	13	9	69.2	26.8 (29.4)	1.00
Summer	120	45	37.5	22.1 (65.4)	0.27
Autumn	46	33	71.7	52.8 (80.3)	1.13
Winter	11	10	90.9	44.9 (68.8)	4.44

^aχ² trend = 11.558, df = 3, P < 0.0007

^bKruskal–Wallis test: H = 24.74, P < 0.0001