Excretion of major odor-causing and acidifying compounds in response to dietary supplementation of chicory inulin in growing pigs

Journal of Animal Science
T RideoutP Stonehouse

Abstract

The excretion of major odor-causing and acidifying compounds in response to dietary supplementation of chicory inulin extract was investigated with six Yorkshire barrows, with an average initial BW of 30 kg, according to a balanced two-period cross-over design. The animals were fed a control diet containing no inulin extract and a treatment diet with 5% inulin extract (as-fed basis) at the expense of cornstarch. Each diet was formulated (as-fed basis) to contain 16% CP from corn (51%) and soybean meal (29%). Each experimental period lasted 14 d, with 10 d for dietary adaptation and 4 d for collection of fecal and urine samples. The fecal samples were analyzed for four major classes of odor-causing and acidifying compounds: 1) VFA; 2) N-containing compounds, including total N and ammonia; 3) volatile sulfides measured as hydrogen sulfide units; and 4) phenols and indoles, including p-cresol, indole, and skatole. Supplementation of chicory inulin at 5% had no effects on the fecal excretion of VFA (P = 0.29), ammonia (P = 0.96), total volatile sulfides (P = 0.56), p-cresol (P = 0.56), and indole (P = 0.75). Fecal excretion of total N (inulin = 6.13 vs. control = 5.10 g/kg DMI) was increased (P < 0.05), whereas urinary total N excr...Continue Reading

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Citations

Mar 15, 2011·Applied Biochemistry and Biotechnology·Saad AldinMadhumita B Ray
Nov 1, 2009·Animal : an International Journal of Animal Bioscience·G Zamaratskaia, E J Squires
Apr 23, 2020·Animals : an Open Access Journal From MDPI·Monika OkrouhláRoman Stupka
May 28, 2021·Frontiers in Nutrition·Qi Su, Qin Liu
Jan 29, 2008·Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association·K A BarryG C Fahey

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