Impact of combined β-glucanase and xylanase enzymes on growth performance, nutrients utilization and gut microbiota in broiler chickens fed corn or wheat-based diets

Munyaka, Peris M.; Nandha, N. K.; Kiarie, E.; Nyachoti, C. M.; Khafipour, Ehsan

doi:10.3382/ps/pev333

Cited by 116 publications

(94 citation statements)

References 53 publications

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“…This difference in BWG due to XG was numerical in the wheat-SBM group, being on average 23 g heavier than NC. This agrees with the study of Munyaka et al [52], using a xylanase and glucanase combination in broilers fed corn or wheat based diets. There, BWG increased using the NSPase enzymes in both diets compared to NC (on a total period of 21 d), where BWG for corn was higher than wheat.…”

Section: Discussionsupporting

confidence: 82%

“…There, broiler BWG and F:G improved first at 21-28 d in comparison to the same diet without enzymes. Presented 42-d FI in diets with corn or wheat was not affected by the XG treatment and this is also seen in other studies using xylanase and glucanase [14,52]. Maintaining FI while increasing growth indicates that XG supplemented diets with corn, had more nutritional content than NC.…”

Section: Discussionsupporting

confidence: 65%

“…This not only liberates the utilization of different types of ingredients, but also equalizes the variable nutritional content within whole grain cereals, plant-based protein sources and their by-products [11,42,52,[61][62][63]. The improved feed efficiency of corn-based diets by means of NSPase degrading enzymes was associated with a higher starch and protein availability in broilers [35,60].…”

Section: Discussionmentioning

confidence: 91%

“…Indeed, identical NSP degrading enzyme activities show a higher efficacy on "soluble" (as wheat) than "insoluble" NSP (as corn) [3,34,57] and the greater the effect on intestinal viscosity by the diet (e.g., wheat based diets), the higher the effect of NSP degrading enzymes [52]. This is reflected in XG that improved F:G in each broiler trial compared to NC, where the effect was more distinct in feeds with wheat (wheat-SBM and mixed corn/wheat-SBM, p < 0.05) than corn-SBM (numerical improvement of -2.4%).…”

Section: Discussionmentioning

confidence: 99%

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Non-starch Polysaccharide Degrading Enzymes in Corn and Wheat-Based Broiler Diets: Dual Activity for Major Substrates

Keyser¹,

Dierick²,

Kuterna³

et al. 2018

JAST-A

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This study consolidates the efficacy of a non-starch polysaccharide (NSP)ase enzyme-concept in corn and wheat-based broiler diets. The NSP building blocks of corn, wheat and soybean meal (SBM, 44% protein) were studied first. Cereal NSP primarily consists of arabinose, xylose and glucose molecules that form arabinoxylan, β-glucan and cellulose polysaccharides. In soybean meal (SBM), glucose (cellulose) predominates, next to galactose and uronic acids that form "pectins". Broiler performance progress using in-feed NSPase enzymes depends on the concentration, complexity and solubility of the substrate and the genetic potential of the animal, mainly. A dual NSPase enzyme-concept for cereal and SBM NSP, predominantly being arabinoxylan, β-glucan and cellulose, was developed. Methods for measuring enzyme activities (endo-1,4-β-xylanase (EC 3.2.1.8) and endo-1,3(4)-β-glucanase (EC 3.2.1.6)) were developed (AVEVE Biochem UNITS) and preparations thereof (XG) standardized to meet requirements for most challenging NSP (corn, barely soluble). Feed intake (FI), bodyweight gain (BWG) and feed:gain ratio (F:G) were assessed in three zootechnical studies, each using 160 Ross 308 broilers split in two feeding groups with 80 birds/group (10 replicates of eight) for 42 d (starter/grower period). Respective corn-SBM, wheat-SBM and corn/wheat-SBM diets were used as negative control (NC) or added with the enzyme-concept (XG). In the total period, XG ameliorated BWG and F:G compared to NC in each study, where BWG increased best in diets with corn and F:G lowered most in diets with wheat. The dual NSPase enzyme-concept offers ingredient flexibility in present setting by enhancing the nutritional content of corn, wheat and SBM, expectedly from cleaving major NSP target molecules. Thereby, broiler professionals increase feed formulation liberty and safety and production result simultaneously.

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Section: Discussionsupporting

confidence: 82%

Section: Discussionsupporting

confidence: 65%

Section: Discussionmentioning

confidence: 91%

Section: Discussionmentioning

confidence: 99%

See 2 more Smart Citations

Non-starch Polysaccharide Degrading Enzymes in Corn and Wheat-Based Broiler Diets: Dual Activity for Major Substrates

Keyser¹,

Dierick²,

Kuterna³

et al. 2018

JAST-A

View full text Add to dashboard Cite

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“…OTUs assigned to Lachnospiraceae were commonly present in all treatments, with relative abundance ranging from 2.4 to 5.9% (Figure 4B). This family was reported to be associated with corn-based diets and is mainly composed by anaerobes and some Clostridium members (Munyaka et al, 2015). …”

Section: Resultsmentioning

confidence: 99%

Insights into Broilers' Gut Microbiota Fed with Phosphorus, Calcium, and Phytase Supplemented Diets

et al. 2016

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Phytase supplementation in broiler diets is a common practice to improve phosphorus (P) availability and to reduce P loss by excretion. An enhanced P availability, and its concomitant supplementation with calcium (Ca), can affect the structure of the microbial community in the digestive tract of broiler chickens. Here, we aim to distinguish the effects of mineral P, Ca, and phytase on the composition of microbial communities present in the content and the mucosa layer of the gastrointestinal tract (GIT) of broiler chickens.Significant differences were observed between digesta and mucosa samples for the GIT sections studied (p = 0.001). The analyses of 56 individual birds showed a high microbial composition variability within the replicates of the same diet. The average similarity within replicates of digesta and mucosa samples across all diets ranged from 29 to 82% in crop, 19–49% in ileum, and 17–39% in caeca. Broilers fed with a diet only supplemented with Ca had the lowest body weight gain and feed conversion values while diets supplemented with P showed the best performance results. An effect of each diet on crop mucosa samples was observed, however, similar results were not obtained from digesta samples. Microbial communities colonizing the ileum mucosa samples were affected by P supplementation. Caeca-derived samples showed the highest microbial diversity when compared to the other GIT sections and the most prominent phylotypes were related to genus Faecalibacterium and Pseudoflavonifractor, known for their influence on gut health and as butyrate producers. Lower microbial diversity in crop digesta was linked to lower growth performance of birds fed with a diet only supplemented with Ca. Each diet affected microbial communities within individual sections, however, no diet showed a comprehensive effect across all GIT sections, which can primarily be attributed to the great variability among replicates. The substantial community differences between digesta and mucosa derived samples indicate that both habitats have to be considered when the influence of diet on the gut microbiota, broiler growth performance, and animal health is investigated.

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Molecular and “Omics” Techniques for Studying Gut Microbiota Relevant to Food Animal Production

Gong

Yang

Khafipour

2018

Molecular Techniques in Food Biology

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Impact of combined β-glucanase and xylanase enzymes on growth performance, nutrients utilization and gut microbiota in broiler chickens fed corn or wheat-based diets

Cited by 116 publications

References 53 publications

Non-starch Polysaccharide Degrading Enzymes in Corn and Wheat-Based Broiler Diets: Dual Activity for Major Substrates

Non-starch Polysaccharide Degrading Enzymes in Corn and Wheat-Based Broiler Diets: Dual Activity for Major Substrates

Insights into Broilers' Gut Microbiota Fed with Phosphorus, Calcium, and Phytase Supplemented Diets

Molecular and “Omics” Techniques for Studying Gut Microbiota Relevant to Food Animal Production

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