Table 3.

Least squares means of the plasma parameters for calves fed Lactobacillus rhamnosus GG

	Treatment1			P-value
Item2	CON	GG	SEM	Treatment	Week	Treatment × Week
TP, g/L	61.67	65.24	4.84	0.107	<0.001	0.900
BHBA, mM	0.31	0.42	0.03	0.092	<0.001	0.784
T3, ng/mL	0.83	0.80	0.09	0.564	<0.001	0.918
T4, ng/mL	61.43	60.68	2.52	0.836	<0.001	0.308
GH, ng/mL	4.06	4.32	0.22	0.418	<0.001	0.499
IGF-1, ng/mL	162.30	167.70	9.73	0.428	<0.001	0.635
IgA, g/L	0.72	0.73	0.12	0.694	<0.001	0.301
IgG, g/L	10.13	10.47	1.19	0.214	0.015	0.989
IgM, g/L	2.36	2.49	0.09	0.121	0.007	0.107

¹CON = untreated control; GG = treated with 1 × 10¹⁰ cfu/d Lactobacillus rhamnosus GG suspension.

²TP = total protein; BHBA =β-hydroxybutyric; T3 = triiodothyronine; T4 = tetraiodothyronine; GH = growth hormone; IGF-1 = insulin-like growth factor 1; IgA/M/G = immunoglobulin A/M/G.