نتایج جستجو برای: fecal coliforms

تعداد نتایج: 27302  

The microbial quality of water plays a key role in community health. The present study aimed to determine the microbial quality of the drinking water distribution networks in the urban and rural areas of Dasht-e Azadegan County, Iran and assess the influential factors in the quality of drinking water.In this descriptive-analytical study, 907 drinking water samples were collected from the urban ...

ژورنال: :مجله میکروب شناسی پزشکی ایران 0
الیاس حامی elyas hami department of microbiology, faculty of sciences, lahijan branch, islamic azad university (iau), lahijan, iranگروه میکروبیولوژی، دانشکده علوم پایه، دانشگاه آزاد اسلامی لاهیجان، لاهیجان، ایران میرساسان میرپور mirsasan mirpour department of microbiology, faculty of sciences, lahijan branch, islamic azad university (iau), lahijan, iranگروه میکروبیولوژی، دانشکده علوم پایه، دانشگاه آزاد اسلامی لاهیجان، لاهیجان، ایران محمد فائزی mohammad phaezi department of microbiology, faculty of sciences, lahijan branch, islamic azad university (iau), lahijan, iranگروه میکروبیولوژی، دانشکده علوم پایه، دانشگاه آزاد اسلامی لاهیجان، لاهیجان، ایران

زمینه و اهداف: امروزه فاضلاب بیمارستانی یکی از معضلات پیشروی جوامع انسانی می باشد. فاضلاب بیمارستانی به دلیل دارا بودن مواد و ترکیبات سمی و خطرناک در صورت عدم تصفیه و دفع نامناسب، می تواند تهدید بسیار جدی برای محیط زیست و انسان باشد. هدف از انجام این مطالعه بررسی وضعیت تصفیه، دفع فاضلاب و کیفیت پساب خروجی بیمارستان های استان گیلان و تهران می باشد. مواد و روش کار: در این مطالعه توصیفی- مقطعی یک ...

Journal: :Journal of animal science 2002
J J Sindt J S Drouillard H Thippareddi R K Phebus D L Lambert S P Montgomery T B Farran H J LaBrune J J Higgins R T Ethington

Crossbred beef steers (n = 615) were used in a 152-d experiment to compare steam-flaked corn (SFC) diets containing 0, 30, or 60% wet corn gluten feed (WCGF). On d 114 to 118, ruminal and fecal samples were collected from 180 steers and analyzed for pH, VFA, and total and acid-resistant Escherichia coli and coliforms. Acid resistance of E. coli and coliform populations was determined by exposur...

Journal: :Journal of food protection 2007
D T Ingram P D Millner

Compost tea (CT) is an unheated on-farm infusion of compost used as a spray or soil drench to promote plant growth and control foliar and root diseases. Because food safety involves all aspects from farm to fork, CT should meet basic microbiological criteria for water quality. This report describes the effects of two CT production processes, aerated and nonaerated, on growth and survival of foo...

Journal: :Applied and environmental microbiology 2005
Peter Cox Merran Griffith Mark Angles Daniel Deere Christobel Ferguson

A fecal analysis survey was undertaken to quantify animal inputs of pathogenic and indicator microorganisms in the temperate watersheds of Sydney, Australia. The feces from a range of domestic animals and wildlife were analyzed for the indicator bacteria fecal coliforms and Clostridium perfringens spores, the pathogenic protozoa Cryptosporidium and Giardia, and the enteric viruses adenovirus, e...

Journal: :Applied and environmental microbiology 1976
S D Lin

The standard one-step M-FC broth-membrane-filter procedure for recovery of fecal coliforms from chlorinated sewage effluents is much less effective than the multiple-tube (most-probable-number) technique. A two-step membrane-filter method, using a pre-enrichment technique with phenol red lactose broth and incubation at 35 degrees C for 4 h, followether 18+/-2 h, enhanced fecal coliform recovery...

Journal: :iranian journal of environmental sciences 0
mahmud hassan department of environmental sciences, jahangirnagar university, dhaka-1342, bangladesh s. m. didar-ul islam department of environmental sciences, jahangirnagar university, dhaka-1342, bangladesh fahad ahmed department of environmental sciences,jahangirnagar university,savar,dhaka-1342,bangladesh research fellow(ms),wateraid international,bangladesh mirza a.t.m. tanvir rahman department of environmental sciences, jahangirnagar university, dhaka-1342, bangladesh

readymade garment industries are the prominent economic sector for bangladesh as well as scoping the huge working area for workers. but health condition of workers, drinking water quality, and proper maintenance of the environmental parameters are not well monitored. this study aims to assess the physio-chemical and bacteriological quality of drinking water provided for the garment workers in d...

Journal: :Applied and environmental microbiology 1989
C Tartera F Lucena J Jofre

Bacteroides fragilis HSP40 phages have been detected in waters with various levels of fecal contamination of human origin. The average numbers of B. fragilis phages present in sewage water reached 5.3 x 10(3) per 100 ml of water. We found a number 1,000 times lower in a river contaminated with domestic sewage only, in which the levels of fecal coliforms and fecal streptococci were 10,000 times ...

Journal: :Journal of animal science 1978
D C Hirsch N Wiger

Calves were fed Escbericbia coli of bovine origin containing an R factor with resistance determinants found rarely in human and bovine populations. Some of these calves received tetracycline. Fecal samples from human subjects in daily contact with the calves were analyzed for the R factor, the bovine E. coli, and changes in the levels of tetracycline resistant coliforms. Crossover from the calv...

2018
Shervin Hashemi Mooyoung Han Eun Namkung

Hygienic fecal treatment in resource-oriented sanitation (ROS) systems is an important concern. Although the addition of nitrifying microorganisms is a sustainable fecal treatment method in ROS systems, it is essential to examine the cleanliness of this method. In this study, we investigated the fate of fecal indicators in source-separated fecal samples through tracking Escherichia coli and tot...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید