نتایج جستجو برای: total coliform bacteria tcb
تعداد نتایج: 966327 فیلتر نتایج به سال:
The current investigation was done to assess the bacterial load and detect the presence of indicator bacteria that acquire the spread of feacal contamination of water of river Ganga at Serampore, West Bengal, India. Total of 110 bacterial isolates, 25 feacal coliform, 50 Escherichia coli and Enterobacter sp were isolated from river water. The objective of this study also showed the antibiotic r...
This study compared the performance of LMX(R) broth (LMX), Chromocult Coliform(R) agar (CC) and Chromocult Coliform agar plus cefsulodin (10 microg ml-1) (CC-CFS), with standard methods multiple tube fermentation (MTF), for the enumeration of total coliforms and Escherichia coli from marine recreational waters. LMX and CC are two media designed to concurrently detect total coliform (TC) bacteri...
Bacterial whole-cell biosensors were used to measure the concentration of chlortetracycline (CTC) in the feces of pigs. In this study, the Escherichia coli biosensor used has a detection limit of 0.03 mg/kg CTC in pig feces. The tetracycline concentration was correlated with the appearance and maintenance of fecal coliform bacteria resistant to tetracycline. Initially, large quantities of water...
BACKGROUND Samples of drinking water were collected directly from the personal water bottles of students at an elementary school in Calgary, Alberta. METHODS Total and fecal coliforms and heterotrophic bacteria were enumerated using membrane filtration and agar plate count methods respectively. RESULTS The Canadian Drinking Water Quality Guidelines (CWQG) criterion was exceeded for total co...
The species of total coliform bacteria isolated from drinking water and untreated surface water by the membrane filter (MF), the standard most-probable-number (S-MPN), and modified most-probable-number (M-MPN) techniques were compared. Each coliform detection technique selected for a different profile of coliform species from both types of water samples. The MF technique indicated that Citrobac...
We measured Escherichia coli, Enterococcus spp. and fecal coliform numbers in soil and on fresh potato skins after addition of solid dairy manure and dairy compost with and without alum (Al(2)(SO(4))(3)) treatment 1, 7, 14, 28, 179 and 297 days after application. The addition of dairy compost or solid dairy manure at rates to meet crop phosphorus uptake did not consistently increase E. coli and...
Background & Aims of the Study: Vegetables are useful for humans as they contain minerals, vitamins, fiber and other nutrients. Eating raw vegetables are a nutritional habit in Iranian families. Raw eating vegetables is the main source of parasitic infections. The aim of this study was to determine microbial contamination of raw vegetables in Ahvaz, Iran during 2014-2015. ...
It is important that indicators of fecal pollution are reliable. Coliform bacteria are a commonly used indicator of fecal pollution. As other investigators have reported elsewhere, we observed a seasonal pattern of coliform bacteria detections in domestic wells in New Jersey. Examination of a statewide database of 10 years of water quality data from 93,447 samples, from 78,207 wells, generated ...
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