Fecal scores and microbial metabolites in weaned piglets fed different protein sources and levels

Animal Nutrition
Xiaolu WenZongyong Jiang

Abstract

This experiment studied the effects of dietary protein sources and levels on the gut health of piglets, pH value, and concentrations of microbial metabolites (ammonia-N, volatile fatty acids [VFA], and polyamines) in the distal colonic and proximal colonic digesta of piglets weaned at 21 d of age. A total of 150 early-weaned piglets were allotted randomly to 5 diets: 1) control diet (CT; 17% CP), 2) CT formulated with more soy protein concentrate (SPC19; 19% CP), 3) more fish meal (FM19; 19% CP), 4) CT formulated with more soy protein concentrate (SPC23; 23% CP), and 5) more fish meal (FM23; 23%CP). Results showed high protein level increased fecal score (P < 0.05), but different protein sources did not (P > 0.05). The pH value and ammonia-N concentration of digesta in the proximal and distal colon of FM23 were significantly higher (P < 0.05) than those of CT. Acetic acid, propionic acid, butyric acid and valeric acid concentrations in the proximal colon of FM23 exceeded those of CT, SPC19, and FM19 (P < 0.05); however, isobutyric acid and isovaleric acid were not affected (P > 0.05). Histamine and spermidine concentrations of FM23 were higher than those of other treatments (P < 0.05). Propionic acid and butyric acid concentrat...Continue Reading

Citations

Apr 20, 2020·Journal of Animal Physiology and Animal Nutrition·Dominiek MaesGeert P J Janssens
Jan 17, 2020·Nutrients·Anna F BekebredeVincent C J de Boer
Oct 16, 2019·Journal of Pharmaceutical and Biomedical Analysis·Jessica FioriRoberto Gotti
May 18, 2021·Animal Nutrition·Lei WangYulong Yin
Nov 2, 2021·Journal of Animal Physiology and Animal Nutrition·Jiangying XiaJunliang Deng

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