نتایج جستجو برای: bacterial counts

تعداد نتایج: 254968  

Journal: :The Journal of antimicrobial chemotherapy 2008
Yoav Barnea Yehuda Carmeli Boris Kuzmenko Shiri Navon-Venezia

OBJECTIVES Median sternotomy (MS) wound infections are severe complications causing high morbidity and mortality after cardiac surgery. We aimed to develop a new Staphylococcus aureus mediastinitis and sternal osteomyelitis model in rats that can be used to evaluate the efficacy of new antimicrobial treatments. METHODS AND RESULTS A complete MS wound was induced in anaesthetized rats. S. aure...

Journal: :Chemosphere 1999
Godoy Zenteno Cerda Gonzalez Martinez

The effect of 2,4,5- and 2,4,6-trichlorophenol on the microbiota from a polluted and a pristine site of a river was studied. Bacterial metabolic activity measurements by epifluorescence microscopy showed that the polluted site contained more metabolically active cells than the pristine site. Total culturable bacterial counts and tolerant bacterial counts from both sites were not affected by inc...

Journal: :The Onderstepoort journal of veterinary research 1995
A C Pienaar L Coetzee R R Bragg

The suitability of using optical-density (OD) measurements after a 6-h incubation period to determine bacterial contamination on hatching eggs was evaluated. A total of 154 hatching eggs, from five different flocks, were examined visually and bacterial counts and OD measurements of egg washings after 6 h of incubation at 37 degrees C were carried out to determine the levels of bacterial contami...

Journal: :Gut 1983
B B Scott A Goodall P Stephenson D Jenkins

To achieve optimum staining and reproducible counts of plasma cells in paraffin embedded tissue with the immunoperoxidase technique we have found it essential to obtain a plateau count by titration of antisera for each specimen. This modification was used to study IgA, IgM, IgE, and IgG plasma cells in rectal biopsies from 20 controls, 20 patients with ulcerative proctocolitis, 20 with Crohn's ...

Journal: :African health sciences 2008
Jane-Francis T K Akoachere Pius M Oben Beryl S Mbivnjo Lucy M Ndip Gerald Nkwelang Roland N Ndip

BACKGROUND Indiscriminate disposal of untreated wastes which are often heavily laden with sewage microorganisms some of which are pathogenic to humans into aquatic environments near cities could serve as potential dangers to human health. OBJECTIVE A prospective study was undertaken to investigate the scope of potential bacterial pathogens and to assess the extent of pollution of the Douala l...

Journal: :Journal of the South African Veterinary Association 2000
E N Ndegwa C M Mulei S J Munyua

California mastitis test (CMT), direct leukocytes counts and bacteriological examination were performed on 630 milk samples from apparently healthy mammary glands of dairy goats comprising a mixed population of German Alpine, Toggenberg, Saanen and Galla crosses to find the prevalence of subclinical mastitis. The prevalence of subclinical mastitis was 9.8% according to CMT, 9.7% according to di...

A.r Shenavar Masouleh Hossein Khara, M Alizadeh Roodposhti M Sattari

   Stability of bacterial flora in fish intestine is very important, because the intestine is an important organ for outbreak of microbial infections and other fish diseases especially when the fish have not been vaccinated. The aim of this study was to determine the bacterial flora of intestine in sturgeon juvenile in earthen ponds. The results can be applied to prevent the diseases occurren...

Journal: :American journal of infection control 2011
Andrea E Berendt LeeAnn Turnbull Donald Spady Robert Rennie Sarah E Forgie

At our hospital, health care workers use commercially available wipes to reduce bacterial counts on plastic surfaces. The workers use the wipes in a cursory fashion--swiping objects once for one to two seconds. We sought to measure the ability of wipes to reduce bacterial counts when swiped across plastic surfaces using various routines.

Journal: :Journal of dairy science 2006
A Lago S M McGuirk T B Bennett N B Cook K V Nordlund

Relationships between air quality, a variety of environmental risk factors, and calf respiratory health were studied in 13 naturally ventilated calf barns during winter. A minimum of 12 preweaned calves were randomly selected and scored for the presence of respiratory disease in each barn. An air sampling device was used to determine airborne bacteria colony-forming units per cubic meter (cfu/m...

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