BibTex Citation Data :
@article{JITAA20758, author = {P. Yuliana and E. B. Laconi and A. Jayanegara and S. S. Achmadi and A. A. Samsudin}, title = {Effect of napier grass supplemented with Gliricidia sepium, Sapindus rarak or Hibiscus rosa-sinensis on in vitro rumen fermentation profiles and methanogenesis}, journal = {Journal of the Indonesian Tropical Animal Agriculture}, volume = {44}, number = {2}, year = {2019}, keywords = {In vitro; rumen fermentation; gas production; saponins; digestibility}, abstract = { This study examined the supplementation effects of gliricidia leaves (GL, Gliricidia sepium ), lerak fruit (LF, Sapindus rarak ), or hibiscus leaves (HL, Hibiscus rosa-sinensis ) on in vitro rumen fermentation and methanogenesis and made a comparison with the Napier grass (NG, Pennisetum purpureum ) grass. In vitro rumen fermentation was designed according to a randomized complete block design with four replications and seven treatments: NG, GL, LF, HL, NG 70% + GL 30%, NG 70% + LF 30% and NG 70% + HL 30%. The generated data were subjected to analysis of variance (ANOVA) with Duncan’s multiple range test and compared among treatment means. Addition of a plant containing saponin such as LF or HL to NG did not alter gas production after 24 and 48 h of incubation period in comparison to NG alone. The HL alone or blended with NG produced the highest IVOMD during the fermentation process as compared to other treatments (P<0.05). Adding LF supplement either singly or in combination significantly (P<0.05) reduced methane production in terms of %TVFA as compared to NG. Supplementation of LF plants has shifted VFA proportion towards more propionate and less acetate. The microbial population of LF, whether single or in combination had a tendency to reduce the rumen protozoa population but had no effect on methanogen population. It can be concluded that utilization of saponin-rich materials is particularly beneficial for reducing ruminal methane emission. }, issn = {2460-6278}, pages = {167--176} doi = {10.14710/jitaa.44.2.167-176}, url = {https://ejournal.undip.ac.id/index.php/jitaa/article/view/20758} }
Refworks Citation Data :
This study examined the supplementation effects of gliricidia leaves(GL, Gliricidia sepium), lerak fruit(LF, Sapindus rarak), or hibiscusleaves(HL, Hibiscusrosa-sinensis) on in vitro rumen fermentation and methanogenesis and made a comparisonwith the Napier grass (NG, Pennisetum purpureum) grass. In vitro rumen fermentation was designed according to a randomized complete block design with four replications and seven treatments: NG, GL, LF, HL, NG 70% + GL 30%, NG 70% + LF 30%and NG 70% + HL 30%. The generated data were subjected to analysis of variance (ANOVA) with Duncan’s multiple range test and compared among treatment means.Addition of a plant containing saponin such as LF or HL to NG did not alter gas production after 24 and 48 h of incubation period in comparison to NG alone.The HLalone or blended with NGproduced the highest IVOMDduring the fermentation processas compared to other treatments (P<0.05). Adding LF supplement either singly or in combination significantly (P<0.05) reduced methane production in terms of %TVFA as compared to NG. Supplementation of LF plants has shifted VFA proportion towards more propionate and less acetate. The microbial population of LF, whether single or in combination had a tendency to reduce the rumen protozoa population but had no effect on methanogen population. It can be concluded that utilization of saponin-rich materials is particularly beneficial for reducing ruminal methane emission.
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