Nutritional functionality of the xylanolytic complex obtained from Aspergillus japonicus var. aculeatus UFMS 48.136 in swine diets
DOI:
https://doi.org/10.1590/1809-6891v25e-77576EAbstract
The objective of this study was to evaluate the nutritional functionality of the xylanolytic
complex produced from Aspergillus japonicus var. aculeatus UFMS 48.136 isolated from the Cerrado/
Pantanal biome in Mato Grosso do Sul, compared to commercial xylanase, in swine diets. Sixteen
barrows were used, with an initial weight of 64.23 ± 10.5 kg, distributed in a randomized block
experimental design, with four diets: control, formulated according to nutritional recommendations;
negative control, formulated with a reduction of 100 Kcal / kg of metabolizable energy (ME); negative
control + xylanase Cerrado / Pantanal; negative control + commercial xylanase; with four repetitions
each. The xylanase supplementation provided higher (P<0.05) values of digestible energy (DE), ME,
and higher (P<0.05) digestibility of dry matter (DM), organic matter (OM), crude protein (CP), ether
extract (EE), neutral detergent fiber (NDF), and acid detergent fiber (ADF) in relation to the negative
control diet, but without differing (P>0.05) from the control diet. The inclusion of xylanases increased
(P<0.05) in the coefficients of digestibility (CD) and metabolism of crude energy (CE), DM, OM, CP,
EE, NDF, and ADF. There was no difference (P>0.05) in digestibility and CD values between Cerrado/
Pantanal and commercial xylanase. The inclusion of xylanases made it possible to reduce 100 Kcal of
ME per kilogram of diet. Cerrado/Pantanal xylanases therefore have the same nutritional efficiency as
commercial xylanases.
Downloads
Published
How to Cite
Issue
Section
License
Copyright (c) 2024 Brazilian Animal Science/ Ciência Animal Brasileira
This work is licensed under a Creative Commons Attribution 4.0 International License.
Authors who publish with this journal agree to the following terms:
- Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
- Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.
- Authors are permitted and encouraged to post their work online (e.g. in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work (See The Effect of Open Access).
