Mastitis occurs in numerous species. Antimicrobial agents are used for treatment of
infectious mastitis in dairy cattle, other livestock, companion animals, and humans. Mastitis …

Simple Summary An emerging threat to human and food animal health is the development
of antimicrobial resistance in bacteria associated with food animals. One of the primary tools …

The aim of this study was to examine whether antimicrobial resistance profiles of coagulase-
negative Staphylococcus (CNS) species isolated from milk of dairy cows differed between …

Dogs are a potential source of drug-resistant Escherichia coli, but very few large-scale
antimicrobial resistance surveillance studies have been conducted in the canine population …

The antimicrobial susceptibility of clinical isolates of Brachyspira hyodysenteriae in Spain
was monitored, and the underlying molecular mechanisms of resistance were investigated …

Feed-grade chlortetracycline (CTC) and copper are both widely utilized in US pig
production. Cluster randomized experiment was conducted to evaluate the effects of CTC …

A randomized controlled field trial was conducted to evaluate the effects of two sets of
treatment strategies on ceftiofur and tetracycline resistance in feedlot cattle. The strategies …

The objectives of this study were to investigate the effects of group housing (three calves per
group) on bovine respiratory disease (BRD), diarrhea and antimicrobial resistance (AMR) to …

Aims The objective was to investigate whether in‐feed supplementation of copper, at
elevated level, co‐selects for macrolide resistance in faecal enterococci. Methods and …

Data generated using different antimicrobial testing methods often have to be combined, but
the equivalence of such results is difficult to assess. Here we compared two commonly used …