Effect of the bacterial or fungal origin of exogenous xylanases supplemented to a wheat-based diet on performance of broiler chickens and nutrient digestibility of the diet

Vandeplas, Sabrina; Dauphin, Robin Dubois; Thonart, Philippe; Thewis, André; Beckers, Yves

doi:10.4141/cjas09067

Cited by 18 publications

(11 citation statements)

References 20 publications

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“…However, the present study could verify no difference between the tested exogenous xylanases when implemented in either a corn or a wheat-based diet. Vandeplas et al (2010) reported that xylanase supplementation from three fungal (Aspergillus niger, Aspergillus aculeatus and Trichoderma viride) and one microbial source (Bacillus subtilis) increased weight gain and AMEn in broiler chicks regardless of its origin. In the study of Hew et al (1998) on the effects of two types of enzyme preparations on digestibility of nutrients in broiler chicks, responses in amino acid digestibility and AME were similar for both enzymes.…”

Section: Discussionmentioning

confidence: 99%

Productive performance, nutrient digestibility and intestinal morphometry in broiler chickens fed corn or wheat-based diets supplemented with bacterial- or fungal-originated xylanase

Ghayour-Najafabadi

Khosravinia

Gheisari

et al. 2017

Italian Journal of Animal Science

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An experiment was conducted to evaluate effects of dietary supplementation of a corn-or a wheat-based diet with two sources of exogenous xylanase (fungal or bacterial originated) on productive performance, ileal nutrients digestibility, nitrogen-corrected apparent metabolisable energy (AME n ) and digestive organs morphometry in broiler chickens. Broilers were fed with one of the six dietary treatments consisting of two basal diets (based on corn or wheat) each with or without xylanase (from bacterial or fungal origin) supplementation. Compared with corn-based diet, feeding birds with the wheat-based diet improved weight gain and feed intake by 4.71 and 4.81%, respectively, and ileal digestibility of dry matter and crude protein were greater in birds fed wheat-based diets compared with the birds grown on corn-based during Days 1-21 of age (p<.05). Villus length and villus length to crypt depth ratio increased (p < .05) in birds received wheat-based diets compared with those fed on corn-based diets. Gizzard weight was greater in birds fed with corn-based diets on days 21 and 42 of age by 11.5% and 31.8%, respectively, compared with those received wheat-based diets (p < .05). Supplementing diets with fungal xylanase increased liver weight in birds grown on wheat-based diets compared with those grown on control and corn-based diets, respectively, on Days 21 and 42 of age (p < .05). It was concluded that supplementing a corn-or wheat-based diet with a xylanase of bacterial or fungal origin had no effect on productive performance or AMEn of diets in broiler chickens during the starter and growing periods. ARTICLE HISTORY

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Section: Discussionmentioning

confidence: 99%

Productive performance, nutrient digestibility and intestinal morphometry in broiler chickens fed corn or wheat-based diets supplemented with bacterial- or fungal-originated xylanase

Ghayour-Najafabadi

Khosravinia

Gheisari

et al. 2017

Italian Journal of Animal Science

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“…Multiple commercial enzyme products containing endoxylanase activity are approved by the European Commission to be used as feed additives in poultry feed ( European Commision, 2009 ). These preparations originate from different microorganisms and are characterised by different structural and biochemical properties, such as pH and temperature optima and substrate specificities ( Beg et al., 2001 ; Polizeli et al., 2005 ; Sunna and Antranikian, 1997 ; Vandeplas et al., 2010 ). It can be assumed that these various endoxylanases hydrolyse the wheat AX polymers differently in the GIT.…”

Section: Introductionmentioning

confidence: 99%

Feed endoxylanase type and dose affect arabinoxylan hydrolysis and fermentation in ageing broilers

Bautil¹,

Buyse

Goos

et al. 2021

Animal Nutrition

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Despite the general use of endoxylanases in poultry feed to improve broiler performance, the abundance of different endoxylanase products and the variable response to their application in the field prevent a clear understanding of endoxylanase functionality in vivo. To gain insight into this functionality, we investigated the impact of endoxylanase type (Belfeed from Bacillus subtilis versus Econase XT from Nonomuraea flexuosa ) and dose (10, 100, 1,000 mg/kg) in combination with broiler age on arabinoxylan (AX) hydrolysis and fermentation in broilers (Ross 308) fed a wheat-soy based diet. In a digestibility trial and a performance trial, a total of 1,057 one-day-old chicks received the control diet or 1 of the 6 endoxylanase supplemented wheat-soy based diets with, respectively, 5 replicate cages and 8 replicate pens per dietary treatment per trial. The AX content and structure, the AX digestibility values and the short-chain fatty acids produced were analysed at the level of the ileum, caeca and excreta at d 11 and 36. Endoxylanase supplementation resulted in a more extensive solubilisation of wheat AX and a reduction in the intestinal viscosity compared to the control ( P < 0.05). A high endoxylanase dose was, however, required to obtain increased hydrolysis of the dietary AX along the gastrointestinal tract against the control ( P < 0.001). Depending on the type of endoxylanase, a pool of AX with distinct physicochemical properties was created. The B. subtilis endoxylanase created a large pool of soluble AX in the ileum, thereby increasing ileal viscosity compared to broilers fed an endoxylanase from N. flexuosa ( P < 0.001). The N. flexuosa endoxylanase mainly triggered caecal AX fermentation in young broilers, by delivering easily fermentable AX substrates with a low degree of polymerisation ( P = 0.03). The effects were particularly present in young broilers (d 11). From this study, it is clear that the type and dose of endoxylanase added to wheat-soy based diets determine the nature of AX substrates formed. These, in turn, affect the intestinal viscosity and the interplay between the dietary AX compounds and microbiota, hence dictating AX digestion at young broiler ages and performance outcomes towards slaughter age.

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“…Xylanase has been widely added to commercial wheat-based compound feeds for broilers to overcome the anti-nutritional effects of NSP. Some previous studies have demonstrated that addition of xylanases in wheat-based diets can reduce the intestinal viscosity by partially hydrolyzing NSP of wheat, resulting in improvements in nutrient digestilities and growth performance of broilers ( Choct et al, 2004 ; Gao et al, 2008 ; Vandeplas et al, 2010 ). Moreover, some other studies showed that xylanase supplementation of a wheat-based diet improved chicken immunity ( Gao et al, 2007 ), reduced detrimental effect after Salmonella Typhimurium infection ( Vandeplas et al, 2009 ), or alleviated the intestinal mucosal barrier impairment of broiler chickens challenged by Clostridium perfringens ( Liu et al, 2012 ).…”

Section: Introductionmentioning

confidence: 99%

Effects of Xylanase Supplementation on Growth Performance, Nutrient Digestibility and Non-starch Polysaccharide Degradation in Different Sections of the Gastrointestinal Tract of Broilers Fed Wheat-based Diets

Zhang

Lei

et al. 2014

Asian Australas. J. Anim. Sci

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This experiment was performed to investigate the effects of exogenous xylanase supplementation on performance, nutrient digestibility and the degradation of non-starch polysaccharides (NSP) in different sections of the gastrointestinal tract (GIT) of broilers fed wheat-based diets. A total of 120 7-day-old Arbor Acres broiler chicks were randomly allotted to two wheat-based experimental diets supplemented with 0 or 1.0 g/kg xylanase. Each treatment was composed of 6 replicates with 10 birds each. Diets were given to the birds from 7 to 21 days of age. The results showed that xylanase supplementation did not affect feed intake, but increased body weight gain of broiler at 21 day of age by 5.8% (p<0.05) and improved feed-to-gain ratio by 5.0% (p<0.05). Xylanase significantly increased (p<0.05) ileal digestibilities of crude protein (CP) by 3.5%, starch by 9.3%, soluble NSP by 43.9% and insoluble NSP by 42.2% relative to the control group, respectively. Also, compared with the control treatment, xylanase addition increased (p<0.05) total tract digestibilities of dry matter by 5.7%, CP by 4.1%, starch by 6.3%, soluble NSP by 50.8%, and had a tendency to increase (p = 0.093) insoluble NSP by 19.9%, respectively. The addition of xylanase increased the concentrations of arabinose and xylose in the digesta of gizzard, duodenum, jejunum, and ileum (p<0.05), and the order of their concentration was ileum>jejunum>duodenum>>gizzard> caecum. The supplementation of xylanse increased ileal isomaltriose concentration (p<0.05), but did not affect the concentrations of isomaltose, panose and 1-kestose in the digesta of all GIT sections. These results suggest that supplementation of xylanase to wheat-based diets cuts the arabinoxylan backbone into small fragments (mainly arabinose and xylose) in the ileum, jejunum and duodenum, and enhances digestibilites of nutrients by decreasing digesta viscosity. The release of arabinose and xylose in the small intestine may also be the important contributors to the growth-promoting effect of xylanase in broilers fed wheat-based diets.

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Effect of the bacterial or fungal origin of exogenous xylanases supplemented to a wheat-based diet on performance of broiler chickens and nutrient digestibility of the diet

Cited by 18 publications

References 20 publications

Productive performance, nutrient digestibility and intestinal morphometry in broiler chickens fed corn or wheat-based diets supplemented with bacterial- or fungal-originated xylanase

Productive performance, nutrient digestibility and intestinal morphometry in broiler chickens fed corn or wheat-based diets supplemented with bacterial- or fungal-originated xylanase

Feed endoxylanase type and dose affect arabinoxylan hydrolysis and fermentation in ageing broilers

Effects of Xylanase Supplementation on Growth Performance, Nutrient Digestibility and Non-starch Polysaccharide Degradation in Different Sections of the Gastrointestinal Tract of Broilers Fed Wheat-based Diets

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