Methane production and energy partition in sheep fed timothy silage- or hay-based diets

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dc.creatorSantoso, B
dc.creatorMwenya, B
dc.creatorSar, C
dc.creatorTakahashi, J
dc.date2012-02-05
dc.date.accessioned2018-06-04T06:47:45Z
dc.date.available2018-06-04T06:47:45Z
dc.date.issued2012-02-05
dc.descriptionMethane is produced as a result of anaerobic fermentation of the soluble and structural carbohydrates by methanogens in the rumen of ruminant animals. Removal of methane from rumen represents a loss of approximately 7.22% of gross energy intake.  Four ruminally fistulated Cheviot wethers were used in a crossover design to determine methane production and energy partition in sheep fed timothy silage- or hay-based diets. The experimental diets consisted of either timothy silage or timothy hay and a commercial concentrate (85:15, on DM basis). Variables measured were nutrients digestibility, energy balance and methane production. Apparent digestibilities of DM, OM, CP, NDF, ADF, cellulose and hemicellulose were significantly higher (P<0.05) on sheep fed silage-based diet than those fed hay-based diet. Sheep fed silage-based diet had greater (P<0.01) urinary energy loss, methane and heat production, but lower (P<0.05) fecal energy loss. Methane production, either expressed as g kg-1 dry matter intake or g day-1 was markedly lower (P<0.05) in hay-based diet as compared to silage-based diet. There was a strong relationship between methane production (g day-1) and NDF digested (g day-1) (R2 = 88.4%, P<0.001). Methane production expressed as g kg-1 NDF digested in silage-based diet was higher (P<0.05) than in hay-based diet (66.44 vs 62.70). These results indicate that methane release by sheep increased with increasing NDF digested. Key Words : Methane, Silage, Hay, Neutral detergent fiber, Sheepen-US
dc.formatapplication/pdf
dc.identifierhttp://medpub.litbang.pertanian.go.id/index.php/jitv/article/view/561
dc.identifier10.14334/jitv.v12i1.561
dc.identifier.urihttps://repository.pertanian.go.id/handle/123456789/3018
dc.languageeng
dc.publisherIndonesian Animal Sciences Societyen-US
dc.relationhttp://medpub.litbang.pertanian.go.id/index.php/jitv/article/view/561/570
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 12, No 1 (2007): MARCH 2007; p.27-33en-US
dc.titleMethane production and energy partition in sheep fed timothy silage- or hay-based dietsen-US
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion
dc.typePeer-reviewed Articleen-US
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