نتایج جستجو برای: water contamination
تعداد نتایج: 592313 فیلتر نتایج به سال:
BACKGROUND: Microbial quality of drinking water is very important in animal health. OBJECTIVES: The present survey was conducted to evaluate the microbial quality of cows' drinking water in dairy farms in Mashhad suburb, Iran, to find out defects in this field. METHODS: Water samples were taken from 30 farms and 4 sites including: Water tanks, inlet and outlet of bovine drinking troughs and c...
River fluoride contamination is one of public health problems. This study aims to determine the water quality status and analyses Cirarab River, Banten-Indonesia. Water sampling was conducted along from up downstream at eight (8) stations February June 2016. analyzed using SPADNS method STORET for determining status. Results show that average ranges 2-2.24 mg/L. The maximum concentration obtain...
The objectives of this study were to assess the microbiological and physical/chemical quality of water in broiler turkey farms in the province of Khemisset (north-western Morocco) and, based on a questionnaire, to ascertain potential risk factors for contamination of drinking water with faecal coliforms. A total of 80 samples were collected and analysed in 20 farms (four from each farm). At the...
Management of water quality has been applied mainly to receiving waters contaminated by point sources of human pollution. Waters affected by point sources of pollution are usually subject to regulation, because the pollution frequently impacts bathing beaches or shellfish harvesting waters, as well as drinking-water supplies. Water resources contaminated by dispersed, unidentified sources of po...
There are about 200 salt plugs in the southern part of the Zagros Mountain Ranges and the Persian Gulf in Iran (Kent, 1970). The salt comes from the Hormuz salt Formation at the base of the Phanerozoic zone. It moves upward due to the buoyancy, the latteral pressure resulting from the opening of the Red Sea to the southwest, and the weight of several thousand meters of overlying sediments. It m...
Background and purpose: Safe drinking is water that does not have any chemical and microbial contamination. According to the World Health Organization (WHO) guideline standards for drinking water total and fecal coliform the indicator of fecal contamination must not be detectable in any 100 ml samples. Pollution indicator bacteria such as coliforms and fecal coliforms were enumerated using a mu...
Two strains of Vibrio cholerae serotype O1 Inaba were isolated from eastern oysters, Crassostrea virginica, collected from estuarine waters in Florida during April 1980. The oyster meats and waters from which the oysters were collected had low fecal coliform counts, and the area had no prior evidence of sewage contamination.
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