Search Results - "Zeitz, J. O"

Antioxidant status and expression of inflammatory genes in gut and liver of piglets fed different dietary methionine concentrations by Zeitz, J. O, Kaltenböck, S, Most, E, Eder, K

“…Summary This study investigated the hypothesis that dietary concentrations of methionine (Met), as a precursor of cysteine which is a constituent of…”
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Influence of pH and the degree of protonation on the inhibitory effect of fatty acids in the ruminal methanogen Methanobrevibacter ruminantium strain M1 by Zhou, X, Zeitz, J.O, Meile, L, Kreuzer, M, Schwarm, A

“…AIMS: To investigate the relationship between the protonation of medium‐chain fatty acids (MCFA) and their inhibitory effect on a ruminal methanogen species…”
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In vitro ruminal fermentation characteristics and utilisable CP supply of sainfoin and birdsfoot trefoil silages and their mixtures with other legumes by Grosse Brinkhaus, A., Wyss, U., Arrigo, Y., Girard, M., Bee, G., Zeitz, J. O., Kreuzer, M., Dohme-Meier, F.

“…The extensive protein degradation occurring during ensiling decreases the nutritive value of silages, but this might be counteracted by tannins. Therefore,…”
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Hepatic transcript profiling in early-lactation dairy cows fed rumen-protected niacin during the transition from late pregnancy to lactation by Ringseis, R, Zeitz, J O, Weber, A, Koch, C, Eder, K

“…In dairy cows, administration of high dosages of niacin (nicotinic acid, NA) was found to cause antilipolytic effects, which are mediated by the NA receptor…”
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Effects of dietary supplementation of the lignocelluloses FibreCell and OptiCell on performance, expression of inflammation-related genes and the gut microbiome of broilers by Zeitz, J O, Neufeld, K, Potthast, C, Kroismayr, A, Most, E, Eder, K

“…ABSTRACT This study investigated the hypothesis that dietary supplementation of lignocellulose in broilers influences the gut bacterial population and…”
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Effects of dietary fats rich in lauric and myristic acid on performance, intestinal morphology, gut microbes, and meat quality in broilers by Zeitz, J. O., Fennhoff, J., Kluge, H., Stangl, G. I., Eder, K.

“…This study investigated the hypothesis that dietary fats rich in lauric (C12) and myristic acid (C14) increase broiler performance and that the underlying…”
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Biological implications of longevity in dairy cows: 2. Changes in methane emissions and efficiency with age by Grandl, F, Amelchanka, S L, Furger, M, Clauss, M, Zeitz, J O, Kreuzer, M, Schwarm, A

“…Previous studies indicated that absolute CH4 emissions and CH4 yield might increase and that milk production efficiency might decrease with age in cattle. Both…”
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Effect of non-starch-polysaccharide-degrading enzymes as feed additive on the rumen bacterial population in non-lactating cows quantified by real-time PCR by Zeitz, J. O., Guertler, P., Pfaffl, M. W., Eisenreich, R., Wiedemann, S., Schwarz, F. J.

“…Summary The effects of non‐starch‐polysaccharide‐degrading enzymes, added to a maize silage‐ and grass silage‐based total mixed ration (TMR) at least 14 h…”
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Short communication: Effect of conjugated linoleic acid on concentrations of fat-soluble vitamins in milk of lactating ewes by Zeitz, J O, Most, E, Eder, K

“…Conjugated linoleic acids (CLA) are well known as milk fat-reducing feed supplements in diets for lactating ruminants. However, their effects on milk…”
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Effects of supplementing rumen-protected niacin on fiber composition and metabolism of skeletal muscle in dairy cows during early lactation by Zeitz, J O, Weber, A, Most, E, Windisch, W, Bolduan, C, Geyer, J, Romberg, F-J, Koch, C, Eder, K

“…Nicotinic acid (NA) has been shown to induce muscle fiber switching toward oxidative type I fibers and a muscle metabolic phenotype that favors fatty acid (FA)…”
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Biological implications of longevity in dairy cows: 1. Changes in feed intake, feeding behavior, and digestion with age by Grandl, F, Luzi, S P, Furger, M, Zeitz, J O, Leiber, F, Ortmann, S, Clauss, M, Kreuzer, M, Schwarm, A

“…Milk production strategies focusing on longevity and limited use of concentrate are receiving increasing attention. To evaluate such strategies, knowledge of…”
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Garlic oil and its principal component diallyl disulfide fail to mitigate methane, but improve digestibility in sheep by Klevenhusen, F, Zeitz, J.O, Duval, S, Kreuzer, M, Soliva, C.R

“…One focus of current ruminant research is identification of feed supplementation strategies for mitigating enteric CH4 production that do not impair rumen…”
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Effect of dietary conjugated linoleic acid on vitamin A status of lactating rats and their offspring by Zeitz, J. O., Most, E., Eder, K.

“…Summary The absorption and metabolism of vitamin A is linked with that of lipids. It is known that conjugated linoleic acid (CLA) affects the lipid metabolism…”
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Tissue and plasma antioxidant status in response to dietary methionine concentration and source in broilers by Zeitz, J. O., Mohrmann, S., Fehse, L., Most, E., Helmbrecht, A., Saremi, B., Eder, K.

“…Summary This study hypothesized that plasma and tissue antioxidant status of broilers is positively influenced when dietary Met concentrations exceed, and…”
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Evidence for increasing digestive and metabolic efficiency of energy utilization with age of dairy cattle as determined in two feeding regimes by Grandl, F., Zeitz, J. O., Clauss, M., Furger, M., Kreuzer, M., Schwarm, A.

“…The changes taking place with age in energy turnover of dairy cattle are largely unknown. It is unclear whether the efficiency of energy utilization in…”
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Implications of feed concentrate reduction in organic grassland-based dairy systems: a long-term on-farm study by Leiber, F., Schenk, I. K., Maeschli, A., Ivemeyer, S., Zeitz, J. O., Moakes, S., Klocke, P., Staehli, P., Notz, C., Walkenhorst, M.

“…In response to increasing efforts for reducing concentrate inputs to organic dairy production in grassland-rich areas of Europe, a long-term study was…”
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Effect of feeding dried high-sugar ryegrass (‘AberMagic’) on methane and urinary nitrogen emissions of primiparous cows by Staerfl, S.M., Amelchanka, S.L., Kälber, T., Soliva, C.R., Kreuzer, M., Zeitz, J.O.

“…The objective of the present study was to test the hypothesis that feeding dried grass from a ryegrass cultivar with high water-soluble carbohydrate (WSC)…”
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Variability in microbial population and fermentation traits at various sites within the forestomach and along the digestive tract as assessed in goats fed either grass or browse by Zeitz, J.O., Ineichen, S., Soliva, C.R., Leiber, F., Tschuor, A., Braun, U., Kreuzer, M., Clauss, M.

“…•We investigated microbiota and fermentation along the digestive tract of goats.•Goats received either grass hay or dried browse leaves as sole feeds.•In the…”
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