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Table 4 Effects of dietary sugar beet pulp on the apparent total tract digestibility (ATTD) of dry matter, protein, energy and the available energy of diets in growing pigs

From: The effects of dietary fiber level on nutrient digestibility in growing pigs

Items Sugar beet pulp, % P Values
0.0 15.0 25.0 35.0 45.0 55.0 SEM Linear Quadratic
Intake
 Dry matter intake, g/d 1,088.0 1,095.0 1,091.8 1,083.0 1,022.3 968.3 56.96 0.46 0.26
 Nitrogen intake, g/d 33.4 33.6 34.2 33.6 29.8 29.6 1.69 0.40 0.28
 Gross energy intake, MJ/d 17.9 18.7 18.5 18.8 17.1 16.3 0.58 0.10 0.07
Excretion          
 Fecal nitrogen, g/d 1.9 3.3 4.8 5.2 4.9 6.1 0.44 <0.01 <0.01
 Urinary nitrogen, g/d 9.3 7.6 7.4 7.0 6.8 6.2 1.00 0.27 0.54
 Urinary:fecal nitrogen ratio 4.9 2.3 1.6 1.4 2.0 1.1 0.13 0.10 0.17
 Fecal energy, MJ/d 0.4 1.1 1.6 1.9 2.0 2.3 0.13 <0.01 <0.01
 Urinary energy, MJ/d 0.9 0.7 0.6 0.6 0.4 0.4 0.11 <0.01 0.02
ATTD, %          
 Dry matter 95.4 91.8 88.3 86.6 87.8 83.5 0.32 <0.01 <0.01
 Nitrogen 94.6 90.0 85.9 84.4 83.7 80.0 1.00 <0.01 <0.01
 Energy 97.8 94.5 91.4 89.9 88.4 86.3 0.47 <0.01 <0.01
Energy content of diets, MJ/kg        
 Digestible energy 14.7 14.8 14.2 14.0 13.6 13.1 0.07 <0.01 0.06
 Metabolizable energy 14.0 14.2 13.7 13.5 13.2 12.8 0.10 <0.01 0.71