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. 2020 May 24;98(6):skaa160. doi: 10.1093/jas/skaa160

Table 9.

Blood metabolite and immunoglobulin concentrations in finishing cattle fed diets containing 15% DDGS (DM basis) and different amounts (0%, 4%, 8%, and 12%; DM basis) of barley silage1

Barley silage, % of dietary DM P-value2
Item 0 4 8 12 SEM Silage Linear Quadratic
Plasma osmolality, mOsm/kg 300 299 302 298 5.2 0.89 0.74 0.49
Serum, mmol/L
 BHBA 0.256 0.341 0.320 0.346 0.0339 0.097 0.13 0.050
 Glucose 4.49 4.34 4.28 4.29 0.260 0.38 0.18 0.47
 NEFA 0.086 0.088 0.089 0.100 0.0072 0.19 0.88 0.20
Serum, g/L
 IgG 23.0 22.4 24.3 23.7 1.48 0.64 0.61 0.57
 IgM 1.65 1.71 1.96 1.86 0.218 0.59 0.33 0.92
 IgA <0.5 <0.5 <0.5 <0.5

1Blood was sampled on day 17 of each period at 0, 3, 6, 12, and 18 h postfeeding. Means are averaged over sampling times.

2 P-values indicate overall silage, linear, and quadratic effects.