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A grazing trial was carried out in the Eastern Plains of Colombia to compare legume selection by transiently grazed oesophageal-fistulated steers and non-fistulated steers permanently grazing pastures. The 6 pasture types investigated were Arachis pintoi-Brachiaria humidicola mixtures which diffe...


Hess, HDKreuzer, M.Nosberger, JWenk, CLascano, Carlos E.[Effect of sward attributes on legume selection by oesophageal-fistulated and non-fistulated steers grazing a tropical grass-legume pasture]Effect of sward attributes on legume selection by oesophageal-fistulated and non-fistulated steers grazing a tropical grass-legume pasture
Tiemann, Tassilo T.Cortés, J.E.Pabon, MLHess, HDKreuzer, M.Carulla, Juan E.[In vitro evidence for the importance of cultivation conditions on the effects of Calliandra tannins on ruminal escape of soybean protein and its post-ruminal degradability]In vitro evidence for the importance of cultivation conditions on the effects of Calliandra tannins on ruminal escape of soybean protein and its post-ruminal degradability

A pot experiment was conducted to assess the fertiliser value of faeces from sheep fed with a diet supplemented with legumes free of or containing condensed tannins. Ten animals received the same five diets in different experimental runs of a double Latin Square design, all consisting of a low qu...


Tiemann, Tassilo T.Hincapié Carvajal, BelisarioFrossard, EmmanuelKreuzer, M.Hess, HD[Effect of supplementing tropical tannin-free and tanniniferous legumes to grass-fed sheep on the utility of their manure as nitrogen fertiliser]Effect of supplementing tropical tannin-free and tanniniferous legumes to grass-fed sheep on the utility of their manure as nitrogen fertiliser

An in vitro experiment was performed to compare the forage quality of foliage of Calliandra (Calliandra calothyrsus Meissner var. Patulul) cultivated on either low or medium-fertility soils in Colombia and Kenya, respectively. A grass-alone diet, with and without urea supplementation, and five le...


Hess, HDTiemann, Tassilo T.Noto, FFranzel, StevenLascano, Carlos E.Kreuzer, M.[The effects of cultivation site on forage quality of Calliandra calothyrsus var. Patulul]The effects of cultivation site on forage quality of Calliandra calothyrsus var. Patulul
Tiemann, Tassilo T.Franco, LHPeters, MichaelFrossard, EmmanuelKreuzer, M.Lascano, Carlos E.Hess, HD[Effect of season, soil type and fertilizer on the biomass production and chemical composition of five tropical shrub legumes with forage potential]Effect of season, soil type and fertilizer on the biomass production and chemical composition of five tropical shrub legumes with forage potential

Various combinations of a low-tannin herbaceous legume (Vigna unguiculata) and foliage of tanniniferous shrub legumes (Calliandra calothyrsus, Flemingia macrophylla and Leucaena leucocephala) or a low-tannin shrub legume (Cratylia argentea), all mixed together with a low-quality tropical grass (B...


Sturm, CDTiemann, Tassilo T.Lascano, Carlos E.Kreuzer, M.Hess, HD[Nutrient composition and in vitro ruminal fermentation of tropical legume mixtures with contrasting tannin contents]Nutrient composition and in vitro ruminal fermentation of tropical legume mixtures with contrasting tannin contents

The effects of supplementing a tropical, low-quality grass hay (Brachiaria dictyoneura) with legume foliage (Cratylia argentea) or fruits of the multipurpose tree Sapindus saponaria on ruminal fermentation, methane release and nitrogen (N) utilization were evaluated. Six Swiss White Hill lambs we...


Hess, HDBeuret, RALotscher, MHindrichsen, I.K.Machmuller, ACarulla, Juan E.Lascano, Carlos E.Kreuzer, M.[Ruminal fermentation, methanogenesis and nitrogen utilization of sheep receiving tropical grass hay-concentrate diets offered with Sapindus saponaria fruits and Cratylia argentea foliage]Ruminal fermentation, methanogenesis and nitrogen utilization of sheep receiving tropical grass hay-concentrate diets offered with Sapindus saponaria fruits and Cratylia argentea foliage

A comparison of the effects on rumen fermentation of three saponin rich tropical fruits supplemented to forage-based diets was completed using a rumen simulation technique (Rusitec). The diets contained either no tropical fruit or 100?mg/g of Sapindus saponaria (crude saponins, 120?mg/g), 200?mg/...


Hess, HDKreuzer, M.Díaz, T.E.Lascano, Carlos E.Carulla, Juan E.Soliva, CRMachmuller, A[Saponin rich tropical fruits affect fermentation and methanogenesis in faunated and defaunated rumen fluid]Saponin rich tropical fruits affect fermentation and methanogenesis in faunated and defaunated rumen fluid

Six adult African-type hair sheep (BW = 40.3 +/- 6.3 kg) fitted with ruminal and duodenal cannulas were subjected to four treatments. Sheep were offered basal diets at a rate of 80 g of DM/kg of metabolic BW (equivalent to ad libitum access) consisting either of a low-quality grass hay (Brachiari...


Abreu, A.Carulla, Juan E.Lascano, Carlos E.Díaz, T.E.Kreuzer, M.Hess, HD[Effects of Sapindus saponaria fruits on ruminal fermentation and duodenal nitrogen flow of sheep fed a tropical grass diet with and without legume]Effects of Sapindus saponaria fruits on ruminal fermentation and duodenal nitrogen flow of sheep fed a tropical grass diet with and without legume

Extensive comparisons of the effects of tropical shrub legumes rich in condensed tannins (CT) require well-conserved material. It is, however, unclear if the application of even gentle methods like freeze drying (lyophilization) affects the results in comparison to fresh material. Therefore, an e...


Tiemann, Tassilo T.Avila Vargas, PLascano, Carlos E.Kreuzer, M.Hess, HD[Effect of freeze drying on in vitro ruminal fermentation dynamics of three tropical shrub legumes with and without condensed tannins]Effect of freeze drying on in vitro ruminal fermentation dynamics of three tropical shrub legumes with and without condensed tannins

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