Effect of dietary fibre source on total tract digestibility, caecum volatile fatty acids and digestive transit time in the weaned piglet

Freire, João P. B.; Guerreiro, A.J.G; Cunha, L.F.; Aumaı̂tre, A.

doi:10.1016/s0377-8401(00)00183-8

Cited by 88 publications

(94 citation statements)

References 25 publications

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“…In the present study, increased fibre level in the diet resulted in greater weight of the GIT (except for small intestine and caecum), in agreement with others (Freire et al, 2000 and2003;Len et al, 2009a), whereas the length of the GIT was unaffected by diet. However, there were no differences in the weight of the GIT between the diets HF-CR and HF-BG, which could be due to the small difference in soluble fibre content between the HF diets.…”

Section: Discussionsupporting

confidence: 93%

“…However, there were no differences in the weight of the GIT between the diets HF-CR and HF-BG, which could be due to the small difference in soluble fibre content between the HF diets. In contrast, earlier studies have shown that fibre source and its specific properties may be of importance for gut development (Freire et al, 2000;Len et al, 2009a).…”

Section: Discussionmentioning

confidence: 65%

“…Insoluble fibre has a direct physical effect in the hindgut because of its bulking effect, and will stimulate propulsive colonic motility and shorten the MRT (Le Goff et al, 2002). In contrast, soluble fibre may lengthen the MRT of digesta owing to its effect on viscosity and waterholding capacity (Freire et al, 2000;Le Goff et al, 2002). Pigs fed the HF diets in the current study compensated a lower dietary content of ME by consuming more DM than on diet LF.…”

Section: Discussionmentioning

confidence: 75%

“…The main explanation to the improved digestibility in the MC pigs in the current study was a longer MRT of digesta. This should have contributed to a more efficient digestion due to longer contact between digesta, digestive enzymes and absorptive surfaces (Guixin et al, 1995), and between digesta and the gut microbiota (Freire et al, 2000). The longer MRT in MC pigs could be explained by a larger GIT (in terms of diameter), reflected in more gut content, as compared with the LY pigs.…”

Section: Discussionmentioning

confidence: 99%

“…In addition to fibre solubility, the MRT will be affected by other physical characteristics of the diet such as viscosity, water-holding capacity and lignification (Stanogias and Pearce, 1985;Glitsø et al, 1998;Freire et al, 2000;Le Goff et al, 2002). Insoluble fibre has a direct physical effect in the hindgut because of its bulking effect, and will stimulate propulsive colonic motility and shorten the MRT (Le Goff et al, 2002).…”

Section: Discussionmentioning

confidence: 99%

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Impact of fibre intake and fibre source on digestibility, gut development, retention time and growth performance of indigenous and exotic pigs

Ngoc

Len

Lindberg

2013

Animal

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The impact of fibre level and fibre source on digestibility, gastrointestinal tract (GIT) development, total tract mean retention time (MRT) and growth performance was studied in indigenous Mong Cai (MC) and exotic Landrace 3 Yorkshire (LY) pigs. The diets were based on maize, rice bran, soyabean meal, fish meal and soyabean oil, and cassava residue (CR) or brewer's grain (BG) as fibrous ingredient sources in the high-fibre diets (HF) and were fed ad libitum. A low-fibre diet (LF), containing around 200 g NDF/kg dry matter (DM), was formulated without CR and BG as feed ingredients. The HF diets (HF-CR and HF-BG) were formulated to contain around 270 g NDF/kg DM. The experiment was arranged as a 2 3 3 factorial completely randomized design with six replications, and lasted 27 days. Increased dietary fibre level resulted in a reduction (P , 0.05) in average daily gain, digestibility of organic matter (OM), CP and gross energy (GE) at the ileum and in the total tract, and in MRT, and an increase (P , 0.05) in the feed conversion ratio and in the weight of the GIT (except for small intestine and caecum). The coefficients of total tract digestibility of fibre fractions were higher in HF diets than in the LF diet, with highest values for diet HF-CR, which had a high proportion of soluble non-starch polysaccharides. MC pigs had longer MRT of digesta than LY pigs (P , 0.05), resulting in higher digestibility at the ileum and in the total tract. Across diets and breeds, the total tract apparent digestibility of OM, CP and GE was positively related (R 2 5 0.80 to 0.84) to the MRT of solids, whereas the MRT was negatively related to the DM intake (R 2 5 0.60).

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Section: Discussionsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 65%

Section: Discussionmentioning

confidence: 75%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

See 3 more Smart Citations

Impact of fibre intake and fibre source on digestibility, gut development, retention time and growth performance of indigenous and exotic pigs

Ngoc

Len

Lindberg

2013

Animal

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Variations on gut health and energy metabolism in pigs and humans by intake of different dietary fibers

Yang

Zhao

2021

Food Science & Nutrition

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Effects of dietary fibers with different physicochemical properties on fermentation kinetics and microbial composition by fecal inoculum from lactating sows in vitro

Bai

et al. 2020

J Sci Food Agric

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BACKGROUNDEfficient utilization of dietary fibers (DFs) is important for optimizing feed resource utilization and animal health. The aim of the current study was to assess the effects of DFs with varying physicochemical properties (bulky, viscous, and fermentable) on fermentation kinetics and microbial composition during in vitro fermentation by fecal inoculum from lactating sow. According to the physicochemical properties, three different DFs, lignocellulose (LC), modified cassava starch (MCS) and konjac flour (KF) were selected as bulky fiber, fermentable fiber and viscous fiber respectively. Gas production, short‐chain fatty acids (SCFAs) profiles and microbial composition were monitored during the fermentation.RESULTSResults showed that the gas production in 72 h (GP72h) ranked as: KF > MCS > LC (P < 0.05). The halftime of asymptotic gas production ranked as: KF < MCS = LC (P < 0.001). At 36 h of fermentation, MCS group showed higher concentrations of formic acid and lactate than LC and KF groups, whereas KF group showed higher concentrations of propionate and butyrate than LC and MCS groups (P < 0.05). At 72 h of fermentation, KF group showed higher concentrations of formic acid, lactate and propionate than LC and MCS groups, whereas MCS group showed higher concentrations of acetate and butyrate than LC and KF groups (P < 0.05). At 36 h of fermentation, Anaerovibrio and Erysipelatoclostridium abundances were higher in KF group, whereas Proteiniclasticum abundance was higher in MCS group. At 72 h of fermentation, the abundance of Fibrobacter in LC group was higher than that in MCS and KF groups. In addition, we also observed that the abundances of certain specific bacteria (Anaerovibrio and Erysipelatoclostridium) were closely related to the SCFAs production (propionate and butyrate) at different fermentation times.CONCLUSIONCollectively, the present study revealed that KF is a fast fermentation fiber which could produce propionate and butyrate rapidly, whereas LC is difficult to be fermented by bacteria. In addition, the fermentation of DFs with different physicochemical properties had divergent impacts on microbial composition and SCFA production. These findings deepen our understanding of the mechanisms of interaction between DFs and intestinal microbiota, and provide new ideas for the rational use of fiber resources in lactating sows. © 2020 Society of Chemical Industry

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Effect of dietary fibre source on total tract digestibility, caecum volatile fatty acids and digestive transit time in the weaned piglet

Cited by 88 publications

References 25 publications

Impact of fibre intake and fibre source on digestibility, gut development, retention time and growth performance of indigenous and exotic pigs

Impact of fibre intake and fibre source on digestibility, gut development, retention time and growth performance of indigenous and exotic pigs

Variations on gut health and energy metabolism in pigs and humans by intake of different dietary fibers

Effects of dietary fibers with different physicochemical properties on fermentation kinetics and microbial composition by fecal inoculum from lactating sows in vitro

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