Table 1. Fecal egg count (FEC) of male (M) and female (F) at day zero, week 2 (w2pt), and week 5 (w5pt) after ivermectin treatment in Thoroughbred yearling horses.

Sex	Weight (kg)	Dose (µg/kg)	Day 0	w2pt	w5pt
F	248	100	1650	0	150
F	250	100	550	0	100
M	252	100	450	0	350
F	275	100	600	0	850
M	275	100	1600	0	0
M	296	100	1050	0	400
M	335	100	1400	0	0
F	266	200	750	0	250
M	277	200	1250	0	150
F	280	200	2200	0	150
F	293	200	1400	0	550
M	299	200	900	0	300
F	300	200	350	0	200
M	275	300	2600	0	300
M	290	300	250	0	300
M	292	300	900	0	150
M	321	300	1500	0	50
F	322	300	850	0	400
F	307	300	400	0	150
F	337	300	700	0	250
M	228	400	1700	0	50
M	270	400	200	0	150
M	272	400	1100	0	100
M	281	400	1050	0	0
F	305	400	2450	0	400
F	309	400	3050	0	450
M	312	400	1400	0	700