Carulla, Juan E.

Díaz, T.E.

Hess, HD

Kreuzer, M.

Lascano, Carlos E.

Hess, H.D.

Lascano Aguilar, Carlos Eduardo

CGSpace

 Testing dose response relationship Testing fruits in combination with diets of contrasting quality Testing fruits and legumes in feeding and respiratory trials Assessing the tannin effect in vitro Assessing the tannin effect in vivo Effect of saponin-rich fruits on methane release (mmol/day)0246810Control With    Without E. cyclocarpumS. saponaria   P. saman protozoa cab a b x   yInteraction: n.s.Effect  of extracted saponins and of fruits of S. saponariaon methane release (mmol/day)6789100.0 0.4 0.8 1.2 1.6 2.0 2.4Saponins in the diet (% of DM)Fruits ExtractMicrobial N flow (g/d)01234567Grass-alone Grass-legume Control     S. saponaria Control     S. saponaria +80%Legume: P=0.018Sapindus: P=0.007LxS: P=0.72+50%+27% 0.00.20.40.60.81.01.21.4  Control Without  With C. argenteaC. calothyrsus    A. pintoi   S. saponariac db a ABMethane release (mmol/g OM degraded)Interaction: n.s.020040060080010001200Without SapindusWith SapindusB. dictyoneura 1/3 C. argentea 2/3 C. argenteaMethane release (ml/kg BW/d)Sapindus, P<0.001; Legume, P> 0.05 0.00.51.01.5Without PEGWith PEGB. dictyoneura B. dictyoneuraC. calothyrsusC. calothyrsus  bbc bca c abMethane release (mmol/g OM degraded)Interaction: P<0.00105101520253035Without SapindusWith SapindusB. dictyoneura 1/3 C. argentea 2/3 C. argenteaMethane release (l/g body N retained)Sapindus, P>0.05; Legume, P< 0.05 020040060080010001200Without TanninsWith Tannins Reygrass Reygrass + Clover Reygrass + AlfalfaMethane release (ml/kg BW/d)Tannins, P<0.001 R egra s             Rye l ver       Ryegrass lfa Potential of saponin-containing fruits and of forage legumes as tropical feed resources to manipulate rumen fermentation and to improve ruminant nutrition H.D. Hess1, C.E. Lascano2, J.E. Carulla3, T.E. Díaz4 and M. Kreuzer1 1ETH Zurich; 2CIAT, Colombia; 3Universidad Nacional de Colombia; 4Corpoica, Colombia Conclusions Fruits of Sapindus saponaria are a useful supplement in reducing methane emission and improving microbial protein flow to the duodenum. Cratylia argentea supplementation largely decrease methane release per unit of body protein retained. Tannins in tropical legumes clearly suppress methane release from ruminal fermentation. ZIL Annual Conference, Food security for better health in developing countries, June 11, 2004

Potential of saponin-containing fruits and of forage legumes as tropical feed resources to manipulate rumen fermentation and to improve ruminant nutrition

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Potential of saponin-containing fruits and of forage legumes as tropical feed resources to manipulate rumen fermentation and to improve ruminant nutrition

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