Effect of supplementation with n-3 polyunsaturated fatty acids and/or β-glucans on performance, feeding behaviour and immune status of Holstein Friesian bull calves during the pre- and post-weaning periods

Table 3 Effect of FO and GL supplementation on feed intake in the pre- and post-weaning periods

Trait	Fish Oil (FO)			β -Glucans (GL)			Period (P) relative to weaning				P-value		Interactions^b
Trait	–	+	SED	–	+	SED	Pre	Post	SED	FO	GL	P	FO×GL	P×FO	P×GL
Milk replacer, litres/d	4.65	4.66	0.034	4.67	4.64	0.034	4.66	n/a	n/a	0.80	0.45	n/a	0.038	n/a	n/a
Concentrates, kg DM/d	1.20	0.99	0.018	1.32	0.86	0.019	0.61	1.58	0.026	<.0001	<.0001	<.0001	0.0013	ns	<.0001
Total GEI, MJ/d^a	25.44	21.96	0.307	27.36	20.03	1.714	21.62	25.78	0.510	<.0001	<.0001	<.0001	0.0082	0.02	<.0001

^aTotal Gross Energy Intake –Includes gross energy of FO (37 MJ/kg) and/or GL (16 MJ/kg) where appropriate
^bNo FO×GL×P interactions were detected. Interactions are described in the text when significant
ns not significant, n/a not applicable

ISSN: 2049-1891