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. 2017 Jul 25;54(3):212–217. doi: 10.2141/jpsa.0160021

Table 4. Effects of mannan level of diet and β-mannanase supplementation on blood metabolites (d 56) of laying hens1.

Items Mannan levels
β-mannanase
SEM3 P-value2
Low High 0 0.4 0.8 M E M×E
Total cholesterol (mg/dl) 201 199 201 201 198 10.12 0.79 0.96 0.96
Triacylglycerides (mg/dl) 1204 1203 1,203 1,207 1,201 21.58 0.94 0.95 0.9
Glucose (mg/dl) 251 258 245b 253ab 265a 7.28 0.2 0.04 0.98
Blood urea nitrogen (mg/dl) 2.56 2.83 2.69 2.81 2.58 0.16 0.06 0.39 0.49
Total protein (g/dl) 5.95 6.11 6.05 6.05 6.00 0.13 0.13 0.92 0.51
1

Values are mean of 8 replicates of 5 hens each.

2

P-values: M: effect of mannan level of diets; E: effect of enzyme (β-mannanase) and M×E: interaction between mannan level of diet and β-mannanase.

3

Standard error of the mean.