Veterinary medicine needs new green antimicrobial drugs

PL Toutain, AA Ferran, A Bousquet-Melou… - Frontiers in …, 2016 - frontiersin.org
Given that:(1) the worldwide consumption of antimicrobial drugs (AMDs) used in food-
producing animals will increase over the coming decades;(2) the prudent use of AMDs will …

Intramuscular therapeutic doses of enrofloxacin affect microbial community structure but not the relative abundance of fluoroquinolones resistance genes in swine …

X Li, X Tang, M Chen, S Wang, C Tong, J Xu… - Science of The Total …, 2024 - Elsevier
Livestock manure is a major source of veterinary antibiotics and antibiotic resistance genes
(ARGs). Elucidation of the residual characteristics of ARGs in livestock manure following the …

Comparisons of plasma and fecal pharmacokinetics of danofloxacin and enrofloxacin in healthy and Mannheimia haemolytica infected calves

AF Beyi, JP Mochel, G Magnin, T Hawbecker… - Scientific reports, 2022 - nature.com
Danofloxacin and enrofloxacin are fluoroquinolones (FQs) used to treat and control bovine
respiratory disease (BRD) complex. While low toxicity, high bactericidal activity, and …

Targeted dosing for susceptible heteroresistant subpopulations may improve rational dosage regimen prediction for colistin in broiler chickens

A Mead, PL Toutain, P Richez, L Pelligand - Scientific Reports, 2023 - nature.com
The dosage of colistin for the treatment of enteric E. coli in animals necessitates considering
the heteroresistant (HR) nature of the targeted inoculum, described by the presence of a …

Enrofloxacin alters fecal microbiota and resistome irrespective of its dose in calves

AF Beyi, D Brito-Goulart, T Hawbecker, B Ruddell… - Microorganisms, 2021 - mdpi.com
Enrofloxacin is a fluoroquinolone drug used to prevent and control bovine respiratory
disease (BRD) complex in multiple or single doses, ranging from 7.5 to 12.5 mg/kg body …

Effects of danofloxacin dosing regimen on gastrointestinal pharmacokinetics and fecal microbiome in steers

JL Halleran, BJ Callahan, ME Jacob, HJ Sylvester… - Scientific Reports, 2021 - nature.com
Fluoroquinolones are a class of antimicrobial commonly used in human medicine, and
deemed critical by the World Health Organization. Nonetheless, two formulations are …

Ceftiofur formulation differentially affects the intestinal drug concentration, resistance of fecal Escherichia coli, and the microbiome of steers

DM Foster, ME Jacob, KA Farmer, BJ Callahan… - PLoS …, 2019 - journals.plos.org
Antimicrobial drug concentrations in the gastrointestinal tract likely drive antimicrobial
resistance in enteric bacteria. Our objective was to determine the concentration of ceftiofur …

Pharmacokinetics of Colistin in the Gastrointestinal Tract of Poultry Following Dosing via Drinking Water and Its Bactericidal Impact on Enteric Escherichia coli

A Mead, P Richez, S Azzariti… - Frontiers in Veterinary …, 2021 - frontiersin.org
Colistin, a last-line antibiotic of major importance in veterinary medicine and of critical
importance in human medicine, is authorized to treat gastrointestinal (enteric) infections …

Dosing regimen of enrofloxacin impacts intestinal pharmacokinetics and the fecal microbiota in steers

KM Ferguson, ME Jacob, CM Theriot… - Frontiers in …, 2018 - frontiersin.org
Objective: The intestinal concentrations of antimicrobial drugs that select for resistance in
fecal bacteria of cattle are poorly understood. Our objective was to associate active drug …

Quantifying trade-offs between therapeutic efficacy and resistance dissemination for enrofloxacin dose regimens in cattle

L Chandra Deb, A Timsina, S Lenhart, D Foster… - Scientific Reports, 2024 - nature.com
The use of antimicrobial drugs in food-producing animals contributes to the selection
pressure on pathogenic and commensal bacteria to become resistant. This study aims to …