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Supplementation of Selected Tanniniferous Phyto-sources at Graded Level Decreases Methane Production in vitro.

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Title Supplementation of Selected Tanniniferous Phyto-sources at Graded Level Decreases Methane Production in vitro.
Not Available
 
Creator Baruah L
Malik PK
Kolte AP
Dhali A
Bhatta R
 
Subject Methane;
tannins;
rumen
fermentation;
protozoa
optimisation
 
Description Not Available
Aim:This study was carried out to determine the effect of graded level supplementation of selected tanniniferous phyto-sources, viz. Syzygium cumini,Machilus bombycina and Acharas zapota on in vitromethane, fermentation characteristics and rumen protozoa population in order to determine the optimum dose of supplementation for the inclusion in the ruminant diet to achieve methane reduction.Study Design: This study was design based on previousscreening studies carried out in our laboratory. A graded level study was carried out here to determine the optimum dose of inclusion of these phyto-sources in the ruminant diet. Methodology: In vitrogas production test was carried out by adding these sources at different levels viz. 0%, 5%, 10%, 15% and 20% to the basal diet consisting finger milletstraw (Elusine coracana)as roughage source and concentrate in 70:30. The gas samples obtained after 24 h of incubation were analysed using gas chromatograph. Theeffect of phyto-sources on rumen fermentation characteristics and protozoa population was determined using standard methodologies.Results:The addition of these phyto-sources significantly (P=.05) reduced the total gas production at 10% in case of Machilus bombycina and above 10% in Syzygium cumini, while Acharas zapotahad reduce gas production at the highest inclusion level. However, all the phyto-sources reduced methane production as the percentage of inclusion increased.Effect on fibre digestion wasalso observed.A significant effect (P=.05) on rumen ammonia-N and protozoa were observed. An overall reduction in TVFA was also recorded in this study. Conclusion:This study confirms that the selected phyto-sources were potent methane inhibitor. Considering 200 mg of basal diet, S.cuminiand A.zapotacan be included within 10% of the basal diet and M.bombycina, at a maximum of 5% to reduce methanewithout affecting rumen fermentation unfavourably. However, long-term in vivotrials should be conducted to determine the efficacy of these phyto-sources on enteric methane emission.
ICAR
 
Date 2019-11-15T06:47:09Z
2019-11-15T06:47:09Z
2018-11-12
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/24753
 
Language English
 
Relation Not Available;
 
Publisher Not Available