نتایج جستجو برای: antibiotic residue
تعداد نتایج: 130832 فیلتر نتایج به سال:
The lipopeptide antibiotic friulimicin, produced by Actinoplanes friuliensis, is an effective drug against Gram-positive bacteria, such as methicillin-resistant Staphylococcus epidermidis and Staphylococcus aureus strains. Friulimicin consists of a cyclic peptide core of ten amino acids and an acyl residue linked to an exocyclic amino acid. The acyl residue is essential for antibiotic activity,...
As part of an effort to develop new, low molecular mass peptide antibiotics, we searched for the shortest bioactive analogue of gaegurin 5 (GGN5), a 24-residue antimicrobial peptide. Thirty-one kinds of GGN5 analogues were synthesized, and their biological activities were analyzed against diverse microorganisms and human erythrocytes. The structural properties of the peptides in various solutio...
Serum of slaughter pigs is being used for routine testing of antibodies against pathogens and can also be used for detection of antibiotic residues. Since the assay formats differ (direct detection of antibodies vs. inhibition assays for residues), these tests are performed in parallel, not in a multiplex set-up. For this study, a protocol for testing both antibodies and residues in one sample ...
The addition of antibiotics to intravaginal sponges used to synchronize ewe estrus is currently a recommended practice for the prevention of posttreatment vaginal infections. Application of this antibiotic treatment is usually done without withdrawal periods for milk, but official pharmaceutical instructions do not consider the extra-label use of antibiotics, which could result in the presence ...
Mastitis is a costly disease for dairy farmers. Some dairy farmers use herbal products, or phytoceuticals, to treat mastitis. Phytoceuticals have not been approved for this use by the United States Food and Drug Administration, and have not been tested to determine how they impact antibiotic residue detection testing. The current study tested the potential for phytoceuticals to cause positive r...
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