Search Results - "Hess, Hans Dieter"

ruminal degradability of fibre explains part of the low nutritional value and reduced methanogenesis in highly tanniniferous tropical legumes by Tiemann, Tassilo T, Lascano, Carlos E, Kreuzer, Michael, Hess, Hans Dieter

“…BACKGROUND: Limited forage quality and low methanogenesis from fermentation of tropical shrub legumes is often attributed to high contents of condensed tannins…”
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A farm survey on the presence of dioxins and dl-PCB in beef production systems in Switzerland by Hess, Hans Dieter, Geinoz, Michel

“…In 2006, new maximum levels for the concentration of dioxins (PCDD/F) and dioxin-like PCB (dl-PCB) in food entered into force in the European Union [Regulation…”
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Accumulation and decontamination kinetics of PCBs and PCDD/Fs from grass silage and soil in a transgenerational cow-calf setting by Driesen, Charlotte, Lerch, Sylvain, Siegenthaler, Raphael, Silacci, Paolo, Hess, Hans Dieter, Nowack, Bernd, Zennegg, Markus

“…Polychlorinated biphenyls (PCBs) and dibenzo-p-dioxins/dibenzofurans (PCDD/Fs) are bioaccumulative pollutants that endanger bovine food safety. Bioaccumulation…”
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Average transfer factors are not enough: The influence of growing cattle physiology on the transfer rate of polychlorinated biphenyls from feed to adipose by Driesen, Charlotte, Zennegg, Markus, Morel, Isabelle, Hess, Hans Dieter, Nowack, Bernd, Lerch, Sylvain

“…Food of animal origin accounts for >90% of the overall human exposure to polychlorinated biphenyls (PCBs). Food regulatory maximum levels help to control this…”
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Changes in macro‐ and micromineral concentrations in herbage during the harvesting and conservation processes by Schlegel, Patrick, Wyss, Ueli, Arrigo, Yves, Hess, Hans Dieter

“…The changes in macromineral (Ca, P, Mg, K, Na, Cl and S) and micromineral (Cu, Fe, Mn, Zn, Co and Se) concentrations in herbage were followed during the…”
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Supplementing diets of Awassi ewes with olive cake and tomato pomace: on-farm recovery of effects on yield, composition and fatty acid profile of the milk by Abbeddou, Souheila, Rischkowsky, Barbara, Hilali, Muhi El-Dine, Haylani, Muhammed, Hess, Hans Dieter, Kreuzer, Michael

“…Two experiments were carried out in Syria with the purpose of investigating to which extent the effects of including 30 % olive cake (replacing parts of forage…”
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Influence of feeding Mediterranean food industry by-products and forages to Awassi sheep on physicochemical properties of milk, yoghurt and cheese by Abbeddou, Souheila, Rischkowsky, Barbara, Hilali, Muhi El-Dine, Hess, Hans Dieter, Kreuzer, Michael

“…Feeding agro-industrial by-products and unconventional forages, rich in potentially anti-nutritional factors, may influence the quality of the raw milk and the…”
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Effects of concentrate supplementation in early lactation on nutrient efficiency, ruminal fermentation and reticular pH of zero‐grazing dairy cows with differing milk production potentials by Falk, Manuela, Münger, Andreas, Zbinden, Rahel S., Gross, Josef J., Bruckmaier, Rupert M., Hess, Hans Dieter, Dohme‐Meier, Frigga

“…In Switzerland, fresh herbage is a favoured feed for dairy cows due to its high quality and availability and low production costs. However, transition and…”
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Milk fatty acid profile of Peruvian Criollo and Brown Swiss cows in response to different diet qualities fed at low and high altitude by Bartl, Karin, Gomez, Carlos A., García, Miriam, Aufdermauer, Tony, Kreuzer, Michael, Hess, Hans Dieter, Wettstein, Hans-Rudolf

“…Two identical experimental protocols were followed at 200 and 3,600 m above sea level (a.s.l.) determining the changes of the milk fatty acid (FA) profile of…”
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Efecto de la relación proteína y energía sobre los niveles de amonio ruminal y nitrógeno ureico en sangre y leche de vacas doble propósito del piedemonte llanero, Colombia by Hess, Hans D, Carulla, Juan, Pardo, O

“…The effects of five diets with different protein to energy ratios (CP:ME) on rumen ammonia (RA) and blood (BUN) and milk úrea nitrogen (MUN) in dual-purpose…”
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Efecto del fruto, del pericarpio y del extracto semipurificado de saponinas de Sapindus saponaria sobre la fermentación ruminal y la metanogénesis in vitro en un sistema RUSITEC by Diáz, Tito E, Carulla Fornaguera, Juan Evangelista, Lascano, Carlos E, Kreuzer, Michael, Abreu, Andrés, Cano, Adalgiza, Hess, Hans-Dieter

“…Se realizó un experimento in vitro utilizando un sistema Rumen Simulation Technique (RUSITEC) con el objetivo de evaluar el efecto del fruto completo, del…”
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