Stephan Steuber

ORCID: 0009-0007-5695-8807
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About
Contact & Profiles
Research Areas
  • Helminth infection and control
  • Trypanosoma species research and implications
  • Vector-Borne Animal Diseases
  • Vector-borne infectious diseases
  • Insect and Pesticide Research
  • Research on Leishmaniasis Studies
  • Forensic Entomology and Diptera Studies
  • Parasite Biology and Host Interactions
  • Animal Disease Management and Epidemiology
  • Agricultural safety and regulations
  • Coccidia and coccidiosis research
  • Insect symbiosis and bacterial influences
  • Toxin Mechanisms and Immunotoxins
  • Toxoplasma gondii Research Studies
  • Parasites and Host Interactions
  • Insect Resistance and Genetics
  • Parasitic Infections and Diagnostics
  • Insects and Parasite Interactions
  • Clostridium difficile and Clostridium perfringens research
  • Alkaline Phosphatase Research Studies
  • Zoonotic diseases and public health
  • T-cell and Retrovirus Studies
  • Synthesis and Characterization of Heterocyclic Compounds
  • Insect Pest Control Strategies
  • Viral Infections and Vectors

Federal Office of Consumer Protection and Food Safety
2005-2024

Freie Universität Berlin
1985-2003

Federal Institute for Health Protection of Consumers and Veterinary Medicine
1995-1999

Glossina (G.) spp. (Diptera: Glossinidae), known as tsetse flies, are vectors of African trypanosomes that cause sleeping sickness in humans and nagana domestic livestock. Knowledge on distribution accurate species identification help identify potential vector intervention sites. Morphological is challenging sometimes not accurate. The matrix-assisted laser desorption/ionisation time flight mass spectrometry (MALDI TOF MS) technique, already standardised for microbial identification, could...

10.1371/journal.pntd.0002305 article EN cc-by PLoS neglected tropical diseases 2013-07-11

Anthelmintic resistance in sheep parasitic gastrointestinal nematodes is widespread and a severe health economic issue but prevalence of involved parasite species are unknown Germany. Here, the faecal egg count reduction test (FECRT) was performed on eight farms using fenbendazole, ivermectin moxidectin four only moxidectin. A questionnaire used to obtain data management practices potentially identify risk factors for presence resistance. All requirements recently revised WAAVP guideline...

10.1016/j.ijpddr.2024.100547 article EN cc-by International Journal for Parasitology Drugs and Drug Resistance 2024-05-05

Summary Peripheral blood lymphocytes were isolated from healthy calves and subsequently infected with sporozoites of Theileria annulata in vitro . The cells passaged for 50 times thereafter inoculated into animals which they previously isolated. Within 4–5 days, schizont‐containing demonstrable the lymph nodes all animals. Few days later, merozoites detected erythrocytes. A slight decrease counts leucocytes was also found. After 2 months these a group uninfected heavily by tick‐infestation...

10.1111/j.1439-0450.1989.tb00649.x article EN Journal of Veterinary Medicine Series B 1989-01-12

Changes in agricultural practices and the resulting extinction of wildlife have led to reduction or disappearance savannah tsetse species. Riparian such as Glossina palpalis gambiensis Vanderplank 1949 tachinoides Westwood 1850 (Diptera: Glossinidae) continue persist peridomestic sites, transmitting trypanosomiasis. At present, little is known about interspecies differences feeding behaviour these two species southeast Mali, phenomenon multiple bloodmeals. To study topics, 279 samples G. p....

10.1111/j.1365-2915.2012.01046.x article EN Medical and Veterinary Entomology 2012-09-25

Fasciola hepatica infections lead to severe health problems and production losses in sheep farming, if not treated effectively. Triclabendazole has been used extensively over decades due its unique efficacy range against all definitive hostfluke stages but published data about the susceptibility of F. anthelmintics Germany are lacking. This study aimed identify current German flocks by coproscopic examinations evaluate with a focus on triclabendazole field conducted from 2020 2022. Initial...

10.1016/j.ijpddr.2023.11.001 article EN cc-by International Journal for Parasitology Drugs and Drug Resistance 2023-11-21

Abstract The stable fly, Stomoxys calcitrans, is a globally important pest causing stress, economic losses and transmission of pathogens in livestock. Control on commercial farms relies predominantly the use insecticides, with pyrethroids being most frequently used class insecticides industrialised countries. Here, laboratory isolates were obtained from four dairy Brandenburg (Germany) tested for phenotypic resistance to deltamethrin comparison susceptible reference isolate using topical...

10.1007/s10340-024-01838-2 article EN cc-by Journal of Pest Science 2024-11-07

Abstract Anthelmintic resistance (AR) in cattle gastrointestinal nematodes (GIN) is an increasing global concern, with low to moderate levels recently documented Central Europe. This study reports on against both macrocyclic lactones (MLs) and benzimidazoles (BZs), highlighting that AR spreading. The Fecal Egg Count Reduction Test (FECRT) remains the primary tool for assessment, yet differing methodologies recent guideline updates complicate interpretation across studies. Statistical...

10.1101/2024.12.20.629641 preprint EN cc-by bioRxiv (Cold Spring Harbor Laboratory) 2024-12-21

Summary Peripheral blood lymphocytes (PBL) of T. evansi ‐infected or uninfected ponies were cultured in vitro with different concentrations , a soluble fraction, isolated variable surface glycoprotein (VSG). It was found that only the fraction could induce proliferation PBL vitro. This antigen preparation had mitogenic effect because it stimulate cells from animals. Optimal stimulation recorded after application large amounts and 5–6 days incubation. ponies, however, not be stimulated by any...

10.1111/j.1439-0450.1988.tb00519.x article EN Journal of Veterinary Medicine Series B 1988-01-12
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