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Effect of residual doxycycline concentrations on resistance selection and transfer in porcine commensal escherichia coli.
Patrick; Haesebrouck, Freddy; Smet, Annemieke Source: Int J Antimicrob Agents (2017) Abstract: Pig feed may contain various levels of antimicrobial residues due to cross-contamination. A previous study ...
Residues of chlortetracycline, doxycycline and sulfadiazine-trimethoprim in intestinal content and feces of pigs due to cross-contamination of feed.
Drug Residues Feces Food Contamination Gastrointestinal Contents Sulfadiazine Swine Trimethoprim Abstract: BACKGROUND: Cross-contamination of feed with low concentrations of antimicrobials can occur at ...
Risk of cross-contamination due to the use of antimicrobial medicated feed throughout the trail of feed from the feed mill to the farm.
residues of antimicrobials causes an animal and public health concern associated with the potential for the selection and dissemination of resistance in commensal bacteria and potentially zoonotic bacteria. ...
Evaluation of the pathogenicity of West Nile virus (WNV) lineage 2 strains in a SPF chicken model of infection: NS3-249Pro mutation is neither sufficient nor necessary for conferring virulence.
the presence of a proline residue at position 249 of the viral NS3 helicase is neither sufficient nor necessary to confer pathogenicity to any given lineage 2 WNV strain in birds. Health Topics: Animal ...
Antiserum against the conserved nine amino acid N-terminal peptide of influenza A virus matrix protein 2 is not immunoprotective.
matrix protein 2 ectodomain (M2 e) peptide coupled to keyhole limpet haemocyanin (KLH) compared with the N-terminal 9 aa residues of M2 e (SP1). Immunization with M2 e- KLH protected mice against a lethal ...
Lethal ricin intoxication in two adult dogs: toxicologic and histopathologic findings.
by ingestion of fertilizer composed of residual plant material of the castor bean plant (Ricinus communis L.). Both dogs died within 2 and 3 days, respectively, after the first signs of vomiting and ...
Identification of a dominant epitope in the hemagglutinin of an Asian highly pathogenic avian influenza H5N1 clade 1 virus by selection of escape mutants.
viruses had Lys (K) at position 189 in the HA1, whereas HA sequences analyzed from dade 2.1 and 2.2 viruses had Arg (R). This residue also interacts with the receptor-binding site, and it is thus important ...
Imidazo[4,5-c]pyridines inhibit the in vitro replication of the classical swine fever virus and target the viral polymerase.
This mutation is located near F224, a residue known to play a crucial role in the antiviral activity of BPIP against bovine viral diarrhoea virus (BVDV). The T259S mutation was introduced in ...
Uncertainty of measurement for competitive and indirect ELISAs.
disease (FMD) ELISA s. Assay repeatability was determined by random effects analysis of variance, and the normality of the residuals was checked. The standard errors of the individual predicted values were ...
The imidazopyrrolopyridine analogue AG110 is a novel, highly selective inhibitor of pestiviruses that targets the viral RNA-dependent RNA polymerase at a hot spot for inhibition of viral replication.
several potential contacts including with Y257. The E291G mutation might enable the free rotation of Y257, which might in turn destabilize the backbone of the loop formed by residues 223 to 226, rendering ...