Table 2.

Parasitological parameters, lung pathology and preventive drug efficacy against larvae excretion and (pre-)adult of Aelurostrongylus abstrusus

Group	Animal ID	First day of L1 excretion (dpi)	Max. L1 count/day in 5 g faeces	GM of max. L1 count/day	Efficacy (%)	Lung pathology score	(Pre-)adult worm count	GM of adult worms	Preventive efficacy (%)
1 (treated 12 weeks prior to infection)	0801	n.a.	0	1.10	99.99	1	0	0.09	99.66
	1054	39	5			0	0
	2936	n.a.	0			1	0
	3881	37	1			0	0
	5300	n.a.	0			1	1
	6615	n.a.	0			0	0
	8860	39	31			1	0
	9657	n.a.	0			0	0
2 (treated 8 weeks prior to infection)	0370	n.a.	0	1.19	99.99	0	0	0.00	100
	3599	36	1			0	0
	5820	n.a.	0			2	0
	6242	37	25			1	0
	6554	n.a.	0			0	0
	7273	42	9			0	0
	7707	n.a.	0			1	0
	8219	n.a.	0			0	0
3 (treated 4 weeks prior to infection)	0862	n.a.	0	0.53	99.98	0	0	0.00	100
	1160	n.a.	0			0	0
	1291	n.a.	0			0	0
	3550	41	1			1	0
	6179	44	9			0	0
	6676	n.a.	0			0	0
	9914	n.a.	0			1	0
4 (untreated control)	1151	33	45,900	7574.29	99.99	3	23	26.57	n.a.
	1465	36	7400			3	36
	1509	40	54			4	10
	1588	38	1200			3	15
	6407	33	43,100			4	64
	6646	33	45,300			3	56
	9013	36	11,300			3	23
	9335	32	21,900			3	23

dpi = day post infection, max. = maximum, GM = geometric mean, n.a. = not applicable