Effects of dietary fiber on cecal short-chain fatty acid and cecal microbiota of broiler and laying-hen chicks

Poultry Science
M WalugembeM F Rothschild

Abstract

This experiment was conducted to evaluate the effects of feeding dietary fiber on cecal short-chain fatty acid (SCFA) concentration and cecal microbiota of broiler and laying-hen chicks. The lower fiber diet was based on corn-soybean meal (SBM) and the higher fiber diet was formulated using corn-SBM-dried distillers grains with solubles (DDGS) and wheat bran to contain 60.0 g/kg of both DDGS and wheat bran from 1 to 12 d and 80.0 g/kg of both DDGS and wheat bran from 13 to 21 d. Diets were formulated to meet or exceed NRC nutrient requirements. Broiler and laying-hen chicks were randomly assigned to the high and low fiber diets with 11 replicates of 8 chicks for each of the 4 treatments. One cecum from 3 chicks was collected from each replicate: one cecum underwent SCFA concentration analysis, one underwent bacterial DNA isolation for terminal restriction fragment length polymorphism (TRFLP), and the third cecum was used for metagenomics analyses. There were interactions between bird line and dietary fiber for acetic acid (P = 0.04) and total SCFA (P = 0.04) concentration. There was higher concentration of acetic acid (P = 0.02) and propionic acid (P < 0.01) in broiler chicks compared to laying-hen chicks. TRFLP analysis showed...Continue Reading

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Citations

Aug 18, 2016·Helicobacter·Chloë De WitteFreddy Haesebrouck
Apr 25, 2018·Environmental Science and Pollution Research International·Еlena YaushevaЕlena Sizova
Jan 16, 2020·Animal : an International Journal of Animal Bioscience·E WanzenböckK Schedle
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Jun 19, 2021·Journal of Animal Science and Biotechnology·Ilen Röhe, Jürgen Zentek
Oct 9, 2021·Journal of the Science of Food and Agriculture·Tao LiuFengqin Feng

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