Comparison of McMaster and FECPAKG2 methods for counting nematode eggs in the faeces of alpacas

Parasites & Vectors

Table 1 Descriptive statistics of the untransformed faecal egg counts of alpaca gastrointestinal nematodes using McMaster and FECPAK^G2 methods

Floatation solution	Method	% Test-positive samples (proportion)	P-value	Arithmetic mean EPG ± SE	95% CI	Range of EPG
Salt	McMaster	89 (81/91)	0.03	335 ± 62	211–458	0–3435
Salt	FECPAK^G2	77 (70/91)	0.03	438 ± 83	273–603	0–5180
Sugar	McMaster	73 (69/94)	0.16	448 ± 138	174–723	0–10,515
Sugar	FECPAK^G2	64 (60/94)	0.16	280 ± 86	109–450	0–6930

Abbreviations: EPG eggs per gram of faeces, SE standard error of the mean, CI confidence interval

ISSN: 1756-3305