In vitro slow-release urea contained in rice straw-based diets to increase efficiency of rumen microbial protein synthesis

dc.creatorKardaya, Dede
dc.creatorWiryawan, K.G
dc.creatorParakkasi, A
dc.creatorWinugroho, H.M
dc.date2012-03-04
dc.date.accessioned2018-06-04T06:47:47Z
dc.date.available2018-06-04T06:47:47Z
dc.date.issued2012-03-04
dc.descriptionEffect of slow-release urea on efficiency of rumen microbial protein synthesis (EMPS) was examined using an in vitro technique. The objective of this experiment was to reveal the in vitro slow-release urea characteristics of zinc-urea, zeolites-urea, and zeolites-zinc-urea in relation to EMPS observed in different incubation time. The experimental design employed was randomized block design with 4 x 3 factorial plus a control treatment, and conducted in two replications. Factors were various urea sources (urea, zinc-urea, zeolites-urea, and zeolites-zinc-urea) and molasses concentrations (0%, 6%, and 12%) in rice straw-based diets. The control treatment was the rice straw-based diets containing neither urea nor molasses. Diets consisting of 45% rice straw and 55% concentrates (DM basis) were formulated to have similar N and TDN levels. Responses of parameters measured were subjected to MANOVA using the GLM procedure of SPSS 16.00 and differences among mean values, if applicable, were examined using HSD-test. Orthogonal comparisons were used to determine the effects of the control treatment vs. various urea sources. Results indicated that treatment of UZ combined with 6% of molasses showed the highest microbial biomass production (2.71 mg/l) at 24 hours fermentation period with its peak production estimation (3.2 mg/l) reached at 33.5 hours of fermentation period. Moreover, UZ treatment resulted in the highest microbial protein synthesis (1,381.45 ± 77.1 mg/l) at 24 hours fermentation period with its peak microbial protein synthesis estimation (1,756.04 mg/l) reached at 33.7 hours of fermentation period. The highest EMPS (25.98 ± 1.21 mg/100 mg OMD) was achieved when ration contained 6% of molasses. Key words: Slow-Release Urea, Microbial Protein Synthesis, Microbial Biomass, In vitroen-US
dc.formatapplication/pdf
dc.identifierhttp://medpub.litbang.pertanian.go.id/index.php/jitv/article/view/648
dc.identifier10.14334/jitv.v15i2.648
dc.identifier.urihttps://repository.pertanian.go.id/handle/123456789/3038
dc.languageeng
dc.publisherIndonesian Animal Sciences Societyen-US
dc.relationhttp://medpub.litbang.pertanian.go.id/index.php/jitv/article/view/648/657
dc.rightsCopyright (c) 1970 Indonesian Journal of Animal and Veterinary Sciencesen-US
dc.rightshttp://creativecommons.org/licenses/by/4.0en-US
dc.source2252-696X
dc.source0853-7380
dc.sourceIndonesian Journal of Animal and Veterinary Sciences; Vol 15, No 2 (2010): JUNE 2010; p.105-117en-US
dc.titleIn vitro slow-release urea contained in rice straw-based diets to increase efficiency of rumen microbial protein synthesisen-US
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion
dc.typePeer-reviewed Articleen-US
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