Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 562394
Title Nutritive values of wheat bran-based broiler diet supplemented with different classes of enzymes
Author(s) Salami, Saheed Ayodeji; Agbonlahor, Ehizogie Marymartha; Salako, Abiola Olayemi; Sideeq, Bashirat Adepeju; Agboola, Jeleel Opeyemi; Atteh, Job Olutimehin
Source Tropical Agriculture 95 (2018)3. - ISSN 0041-3216 - p. 245 - 256.
Department(s) Aquaculture and Fisheries
Publication type Refereed Article in a scientific journal
Publication year 2018
Keyword(s) Broilers - Diet - Enzyme - Metabolisable energy - Performance
Abstract

Previous studies have shown that inclusion of exogenous enzymes in broiler diets can improve metabolizable energy intakes, digestibility and performance parameters. However, there is limited information on the comparative effect of different enzymes in wheat bran-based broiler diet. This study investigated the effect of different enzyme classes on metabolizable energy (ME) values of wheat bran as well as the performance parameters and nutrient retention of broilers. A total of 216 mixed-sex one-day-old chicks were fed either the basal diet or test diet (20% basal diet replaced with wheat bran) without or with supplementation of carbohydrase-cocktail (CC), multi-enzyme (MEnz) and single-carbohydrase (SC). The enzymes increased (P<0.001) the ME values of wheat bran but SC had the highest increase for apparent ME, nitrogen-corrected apparent ME and true ME values of wheat bran. Neither performance parameters of feed intake (FI), body weight gain (BWG), feed conversion ratio (FCR) nor economic benefit (EB) was affected by the interaction between diets and enzymes. A significant dietary effect (P<0.05) was observed as higher FI, lower FCR, and better EB on the test diet compared to basal diet. The enzyme inclusions, however, had similar improvements on (P<0.05) on BWG, FCR and EB of broilers. The dietary enzymes increased fat and phosphorus (P) retentions on both test and basal diets (P<0.001), with birds fed CC added to test diet showing the highest phosphorus retention. In conclusion, enzyme inclusions in wheat-bran based diet improved the ME values of wheat bran and the nutrient retention of broilers, although broiler performance was unaffected. The inclusion of CC in 20% wheat bran-based diet can be economically useful in improving P retention of broilers, with potential benefit for reducing P losses to the environment.

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