Table 3.

Third stage (L₃) larvae composition (%) and reduction percentages of faecal egg counts (FECRT) for Haemonchus and other nematode genera after the subcutaneous (SC) or oral administration of closantel (CLO) or moxidectin (MXD), given separately or co-administered (+) to naturally parasitized lambs.

Genera	Experimental groups	%L3	Efficacy (%)
		Days post-treatment
		0	6	10	13	22	28
Haemoncus spp.	CONTROL	96	81	51	88	60	79
	CLO + MXDSC	94	*	*	*	*	51
	CLO + MXDoral	95	*	–	*	*	100
	CLOSC	98	–	–	–	0	1
	CLOoral	88	*	*	*	4	9
	MXDSC	94	*	*	*	100	89
	MXDoral	87	*	*	100	100	100
Other generaa	CONTROL	4	19	49	12	40	21
	CLO + MXDSC	5	–	–	–	*	49
	CLO-MXDoral	5	*	*	–	–	0
	CLOSC	2	*	*	*	100	99
	CLOoral	11	*	*	*	96	91
	MXDSC	6	*	*	*	0	11
	MXDoral	6	*	*	0	0	0

- No L3 recovered from faecal cultures.

*Not determined since the low number of L3 recovered.

^aTrichostrongylus spp.; Teladorsagia spp. and Oesophagostomum spp.