Table 10.

Effects of omega-3 fatty acids, sourced by O3 trial feed on growth performance, total removals and mortality, and medication usage in PRRSV-challenged nursery pigs in experiment 3¹

	O3 trial feed, %
Item	0	3	SEM	P =
BW, kg
days 0	5.2	5.1	0.05	0.316
day 43	17.7	17.6	0.31	0.707
Overall (days 0 to 43)
ADG, g	285	281	7.0	0.555
ADFI, g	434	426	12.5	0.313
G:F, g/kg	662	663	22.8	0.924
Total removals and mortality, %	7.7	8.9	1.13	<0.001
Total injections
Injections per 1,000 pig days, n	18.26	18.03	1.170	0.226
Injections per pig placed, n	0.70	0.68	0.042	<0.001

¹A total of 91,140 (initially 5.1 ± 0.05 kg) were used with 40 rooms per treatment and ~1,100 pigs per room.