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dc.contributor.authorTogtokhbayar, Norovsambuu
dc.contributor.authorCerrillo, María A.
dc.contributor.authorRodríguez, Germán Buendía
dc.contributor.authorElghandour, Mona M. M. Y.
dc.contributor.authorSalem, Abdelfattah Z. M.
dc.contributor.authorUrankhaich, Chuluunbaatar
dc.contributor.authorJigjidpurev, Sukhbaatar
dc.contributor.authorOdongo, Nicholas E.
dc.contributor.authorKholif, Ahmed E.
dc.date.accessioned2015-04-10T12:08:02Z
dc.date.available2015-04-10T12:08:02Z
dc.date.issued2015
dc.identifier.citationTogtokhbayar, N. et.al. (2015). Effect of exogenous xylanase on rumen in vitro gas production and degradability of wheat straw. Japanese Society of Animal Science: Animal Science Journal, doi: 10.1111/asj.12364en_US
dc.identifier.otherdoi: 10.1111/asj.12364
dc.identifier.urihttp://elibrary.pu.ac.ke/123456789/690
dc.description.abstractThe objective of this study was to determine effects of xylanase on in vitro gas production (GP) and in sacco degradability of wheat straw. Rumen fluid was obtained from three Mongolian native goats fitted with permanent rumen cannulas. The trial consisted of five doses (0, 0.5, 1.0, 1.5, 2.0 μL/g of substrate) of a commercial xylanase (Dyadic® xylanase PLUS, Dyadic International, Inc., Jupiter, FL, USA). For the in sacco degradability, different levels of xylanase enzyme were added directly onto 2 g of wheat straw in nylon bags and incubated in the rumen for 3, 6, 12, 24 and 48 h to estimate degradability of wheat straw. Total GP increased (P < 0.001) at all times of incubation at intermediate levels of xylanase. Methane production had a similar pattern at 3 and 12 h of incubation; increased linearly at 24 h of incubation, and was unaffected at 6 and 48 h of incubation. Rumen NH3-N concentration increased linearly at 3 h and the highest values were observed with intermediate enzyme levels. All ruminal volatile fatty acids increased linearly with intermediate levels of the fibrolytic enzyme. The in sacco rate of dry matter degradation decreased linearly (P = 0.020) with increasing enzymes. Intermediate levels of xylanase improved rumen kinetic fermentation and degradability. The outcome of this research indicated that the application of xylanase enzyme could improve in vitro GP fermentation of wheat straw.en_US
dc.language.isoenen_US
dc.publisherJapanese Society of Animal Scienceen_US
dc.subjectdegradabilityen_US
dc.subjectgas productionen_US
dc.subjectwheat strawen_US
dc.subjectxylanaseen_US
dc.titleEffect of exogenous xylanase on rumen in vitro gas production and degradability of wheat strawen_US
dc.typeArticleen_US


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