نتایج جستجو برای: especially bacteria of animal origin
تعداد نتایج: 21194179 فیلتر نتایج به سال:
abstract this study was carried out to compare disinfecting effects of nanosilver with other feed disinfectants on layer hen performance, immune system, gastrointestinal microflora and intestinal morphology. total of 90 layers (lsl) were divided into five groups consisting: 1-control, 2- formalin (200 ppm), 3- formaycin (200 ppm), 4- nanosilver in drinking water (7.5 ppm) and 5-nanosilver in f...
Background: Nosocomial infections can be a major challenge for medical staff and health care providers when it comes to antibiotic-resistant bacteria. Enterococcus faecalis is one of the bacteria that plays an important role in nosocomial infection. Therefore, it is important to study the prevalence and pattern of resistance of this bacterium in medical centers, especially in hospitals. The aim...
Disease are recognized as one of the major constraint to sustainable animal production which can cause significant economic loss especially in aquaculture. Various chemotherapeutic agents have been traditionally used in the treatment and prevention of diseases in farmed fish but they are not recommended since improper and continuous use of antibiotics may lead to potential development of antibi...
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