Research Topics
| W VahjenSummaryCountry: Germany Publications
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Publications
Increased dietary zinc oxide changes the bacterial core and enterobacterial composition in the ileum of pigletsW Vahjen
Institute of Animal Nutrition, Department of Veterinary Medicine, Freie Universitat Berlin, 14195 Berlin, Germany
J Anim Sci 89:2430-9. 2011..This effect may help to stabilize the intestinal microbiota in the sensitive postweaning period...- Bar-coded pyrosequencing of 16S rRNA gene amplicons reveals changes in ileal porcine bacterial communities due to high dietary zinc intakeW Vahjen
Institute of Animal Nutrition, Department of Veterinary Medicine, Freie Universitat Berlin, Berlin, Germany
Appl Environ Microbiol 76:6689-91. 2010..reduced the occurrence of Sarcina spp. and Neisseria spp., and led to numerical increases of all Gram-negative facultative anaerobic genera. High dietary zinc oxide intake has a major impact on the porcine ileal bacterial composition... - Influence of a probiotic Enterococcus faecium strain on selected bacterial groups in the small intestine of growing turkey poultsW Vahjen
Institute of Animal Nutrition, Faculty of Veterinary Medicine, Free University of Berlin, Germany
Arch Tierernahr 56:419-29. 2002..This study shows that E. faecium NCIB 10415 (E. faecium SF68) stimulates other lactic acid bacteria in the small intestine, especially lactobacilli... - The effect of a probiotic Enterococcus faecium product in diets of healthy dogs on bacteriological counts of Salmonella spp., Campylobacter spp. and Clostridium spp. in faecesW Vahjen
Institute of Animal Nutrition, Faculty of Veterinary Medicine, Free University Berlin, Germany
Arch Tierernahr 57:229-33. 2003..According to the guidelines for the evaluation of the efficiency of microorganisms in dogs a relevant efficacy effect was supported by this data. However, a beneficial effect of the probiotic product on healthy dogs remains questionable... - Effect of the probiotic Enterococcus faecium NCIMB10415 on cell numbers of total Enterococcus spp., E. faecium and E. faecalis in the intestine of pigletsW Vahjen
Institute of Animal Nutrition, Free University of Berlin, Bruemmerstr 34, 14195 Berlin, Germany
Curr Issues Intest Microbiol 8:1-7. 2007..faecalis, but not total E. faecium cell numbers in the intestine of piglets. In view of unchanged cell numbers and ratios in sow feces, modifications must have taken place within the intestine of suckling piglets... - Performance, diarrhea incidence, and occurrence of Escherichia coli virulence genes during long-term administration of a probiotic Enterococcus faecium strain to sows and pigletsD Taras
Institute of Animal Nutrition, Faculty of Veterinary Medicine, Free University Berlin, 14195, Germany
J Anim Sci 84:608-17. 2006..Depending on the time of sampling, one-third or more of all isolates contained est2 or est1b as single gene or in combination with other pathogenicity genes... - Growth behaviour of a spore forming probiotic strain in the gastrointestinal tract of broiler chicken and pigletsA Jadamus
Institute of Animal Nutrition, Faculty of Veterinary Medicine, Free University Berlin, Brümmerstrasse 34, D 14195 Berlin, Germany
Arch Tierernahr 54:1-17. 2001..Germination and in vivo sporulation of vegetative cells indicated that the probiotic strain was metabolically active in the intestine of both animal species... - Specific enumeration of the probiotic strain Enterococcus faecium NCIMB 10415 in the intestinal tract and in faeces of piglets and sowsM Macha
Institute for Animal Nutrition, Free University of Berlin, Germany
Arch Anim Nutr 58:443-52. 2004..It is now possible to monitor the presence of the probiotic in the intestinal tract and faeces. Results of this study have implications for the proposed modes of action of probiotics in animal nutrition... - Ileal microbiota of growing pigs fed different dietary calcium phosphate levels and phytase content and subjected to ileal pectin infusionB U Metzler-Zebeli
Institute of Animal Nutrition, University of Hohenheim, 70599 Stuttgart, Germany
J Anim Sci 88:147-58. 2010..Greater intestinal Ca availability decreased the numbers of some gram-positive bacteria, whereas greater P availability in the small intestine caused by phytase activity enhanced the growth of strictly anaerobic bacteria... - Studies on the effects of essential-oil-based feed additives on performance, ileal nutrient digestibility, and selected bacterial groups in the gastrointestinal tract of pigletsK Maenner
Institute of Animal Nutrition, Faculty of Veterinary Medicine, Free University Berlin, 14195 Berlin, Germany
J Anim Sci 89:2106-12. 2011..In general, however, the effectiveness of EOM as feed additives differs considerably depending on the constituents... - Influence of the probiotic strain Bacillus cereus var. toyoi on the development of enterobacterial growth and on selected parameters of bacterial metabolism in digesta samples of pigletsA Jadamus
Institute of Animal Nutrition, Free University of Berlin, Brümmerstr 34, 14195 Berlin, Germany
J Anim Physiol Anim Nutr (Berl) 86:42-54. 2002..There are strong indications that the early uptake of already modified microbial populations from faeces of the mother sow aids modification of intestinal microbial communities and their metabolic activities in piglets... - Nutritional and physiological role of medium-chain triglycerides and medium-chain fatty acids in pigletsJ Zentek
Department of Veterinary Medicine, Institute of Animal Nutrition, Freie Universitat Berlin, Brümmerstrasse, Berlin, Germany
Anim Health Res Rev 12:83-93. 2011.... - Progression of mycotoxin and nutrient concentrations in wheat after inoculation with Fusarium culmorumK Matthäus
Institute of Animal Nutrition, Federal Agricultural Research Centre FAL, Braunschweig, Germany
Arch Anim Nutr 58:19-35. 2004..This would suggest that the cell wall penetrating properties of the fungus itself and/or that the fungus induced alterations of the metabolic activity of the embryo or other constituents of the wheat kernel could be responsible...