Influence of the addition of exogenous xylanase with or without pre-incubation on the in vitro ruminal fermentation of three fibrous feeds
11 páginas, 3 tablas.
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Czech Academy of Agricultural Sciences
2016
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| Subjects: | Gas production, Rumen, Fibrolytic enzyme, Roughage, Fibre degradation, |
| Online Access: | http://hdl.handle.net/10261/144691 http://dx.doi.org/10.13039/501100003141 http://dx.doi.org/10.13039/501100004960 http://dx.doi.org/10.13039/501100002222 |
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dig-igm-es-10261-1446912021-03-18T16:23:36Z Influence of the addition of exogenous xylanase with or without pre-incubation on the in vitro ruminal fermentation of three fibrous feeds Elghandour, M. M. Y. Kholif, A. E. Hernández, J. Mariezcurrena, M. D. López, Secundino Camacho, L. M. Márquez, O. Salem, A. Z. M. Consejo Nacional de Ciencia y Tecnología (México) The World Academy of Sciences Universidad Autónoma del Estado de México Gas production Rumen Fibrolytic enzyme Roughage Fibre degradation 11 páginas, 3 tablas. The effects of the exogenous fibrolytic enzyme (ENZ) commercial preparation Dyadic® xylanase PLUS (Dyadic International, Inc., Jupiter, USA), containing endo-1,4-β-d-xylanase, on ruminal fermentation of maize stover, oat straw, and sugarcane bagasse were examined using the in vitro gas production (GP) technique. The ENZ commercial preparation was added at 0 (control), 60 (low), 120 (medium), and 240 (high) μg/g dry matter of substrate, and at two times of application (direct addition just before fermentation or with a 72-h pre-incubation before fermentation). Ruminal GP volumes were recorded at 2, 4, 6, 8, 10, 12, 14, 24, and 48 h of incubation, and substrate degradability and concentration of fermentation end-products (volatile fatty acids, ammonia, methane) in the cultures were determined at 48 h of incubation. Increased (P < 0.05) GP volume was observed in fibrous feeds treated with ENZ compared with untreated substrates. The pre-incubation vs the direct addition of ENZ resulted in greater GP volume (P < 0.05) with the three tested feeds. Enzyme addition decreased (P < 0.05) rumen pH compared to control when maize stover and sugarcane bagasse were incubated. Ammonia-N and total volatile fatty acids (VFA) were not affected (P > 0.05) by ENZ application in maize stover and oat straw. However, total and individual VFA concentrations, and CH and CO volumes were greater (P < 0.05) when sugarcane bagasse was incubated with 240 μg ENZ/g (P < 0.05). It can be concluded that the application of endo-1,4-β-d-xylanase enhances rumen fermentation of roughages, although the magnitude of the effects depends on the fibrous substrate fermented, the time of application, and the amount of enzyme added. A.E. Kholif thanks the National Council for Science and Technology (CONACyT, Mexico) and The World Academy of Sciences (TWAS, Italy) for his Postdoctoral fellowship at the Faculty of Veterinary Medicine and Animal Science, Autonomous University of the State of Mexico. Peer Reviewed 2017-02-22T11:42:34Z 2017-02-22T11:42:34Z 2016 2017-02-22T11:42:35Z artículo http://purl.org/coar/resource_type/c_6501 Czech Journal of Animal Science 61: 262- 272 (2016) 1212-1819 http://hdl.handle.net/10261/144691 10.17221/52/2015-CJAS http://dx.doi.org/10.13039/501100003141 http://dx.doi.org/10.13039/501100004960 http://dx.doi.org/10.13039/501100002222 http://dx.doi.org/10.17221/52/2015-CJAS Sí none Czech Academy of Agricultural Sciences |
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Gas production Rumen Fibrolytic enzyme Roughage Fibre degradation Gas production Rumen Fibrolytic enzyme Roughage Fibre degradation |
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Gas production Rumen Fibrolytic enzyme Roughage Fibre degradation Gas production Rumen Fibrolytic enzyme Roughage Fibre degradation Elghandour, M. M. Y. Kholif, A. E. Hernández, J. Mariezcurrena, M. D. López, Secundino Camacho, L. M. Márquez, O. Salem, A. Z. M. Influence of the addition of exogenous xylanase with or without pre-incubation on the in vitro ruminal fermentation of three fibrous feeds |
| description |
11 páginas, 3 tablas. |
| author2 |
Consejo Nacional de Ciencia y Tecnología (México) |
| author_facet |
Consejo Nacional de Ciencia y Tecnología (México) Elghandour, M. M. Y. Kholif, A. E. Hernández, J. Mariezcurrena, M. D. López, Secundino Camacho, L. M. Márquez, O. Salem, A. Z. M. |
| format |
artículo |
| topic_facet |
Gas production Rumen Fibrolytic enzyme Roughage Fibre degradation |
| author |
Elghandour, M. M. Y. Kholif, A. E. Hernández, J. Mariezcurrena, M. D. López, Secundino Camacho, L. M. Márquez, O. Salem, A. Z. M. |
| author_sort |
Elghandour, M. M. Y. |
| title |
Influence of the addition of exogenous xylanase with or without pre-incubation on the in vitro ruminal fermentation of three fibrous feeds |
| title_short |
Influence of the addition of exogenous xylanase with or without pre-incubation on the in vitro ruminal fermentation of three fibrous feeds |
| title_full |
Influence of the addition of exogenous xylanase with or without pre-incubation on the in vitro ruminal fermentation of three fibrous feeds |
| title_fullStr |
Influence of the addition of exogenous xylanase with or without pre-incubation on the in vitro ruminal fermentation of three fibrous feeds |
| title_full_unstemmed |
Influence of the addition of exogenous xylanase with or without pre-incubation on the in vitro ruminal fermentation of three fibrous feeds |
| title_sort |
influence of the addition of exogenous xylanase with or without pre-incubation on the in vitro ruminal fermentation of three fibrous feeds |
| publisher |
Czech Academy of Agricultural Sciences |
| publishDate |
2016 |
| url |
http://hdl.handle.net/10261/144691 http://dx.doi.org/10.13039/501100003141 http://dx.doi.org/10.13039/501100004960 http://dx.doi.org/10.13039/501100002222 |
| work_keys_str_mv |
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