Abstract
Diets with high and low protein content and with or without sugar beet pulp (SBP) were tested in grower and finisher pigs; SBP replaced wheat in grower and barley in finisher pig diets. Urinary N was lowered (P < 0.05) and faecal N not affected (P > 0.10) by low-protein diets. In grower pigs, SBP lowered urinary N (P < 0.05) and interacted with dietary protein (P < 0.10). In finisher pigs, SBP did not affect N excretion patterns (P > 0.10). Reduced dietary protein consistently reduced urinary N excretion, whereas effects of SBP inclusion were dependent on dietary protein content or replaced cereal grain. Key words: Excretion, fibre, nitrogen, pigs, protein
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