El Allaoui, A. and Rhazi Filali, F. and Derouich, A. (2016) Wafer quality in Turkey farms in Khemisset (Morocco) and potential risk factors Qualité des eaux en élevage de dinde à Khémisset (Maroc) et hypothèses sur les facteurs de risques. OIE Revue Scientifique et Technique, 35 (3). pp. 947-964.

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Abstract

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 main inlet to the water line at the entrance to each turkey house, 100 of the samples were of unacceptable quality in terms of faecal coliforms, Escherichia coli, faecal streptococci, sulphite-reducing anaerobes and enterococci. A significant reduction in microbiological contamination of the water line (p < 0.05) was observed on Day 60. While more than 90 of the samples were of satisfactory quality in terms of pH, nitrites, conductivity, nitrates and iron, only 35 were satisfactory in terms of total hardness and only 20 met quality standards for ammonium content. The factors affecting levels of contamination with faecal coliforms were water chlorination (p = 0.065; odds ratio = 14; 90 confidence interval CI = 1.14-71), cleaning and disinfection (p = 0.028; odds ratio = 14; 95% CI = 1.25-156.6) and antibiotic treatment (p = 0.001; odds ratio = 6; 95% CI = 2.1-35.2). To improve water quality in poultry farms, farmers are advised to protect wells from contamination and to install water purification units (pre-oxidation, coagulation, flocculation, disinfection). In addition, turkey houses and rearing equipment should be rigorously cleaned and disinfected between each batch of birds.

Item Type: Article
Uncontrolled Keywords: drinking water, agricultural land; anaerobic bacterium; animal; bacterial spore; chemistry; classification; Enterobacteriaceae; Enterococcaceae; feces; growth, development and aging; isolation and purification; microbiology; Morocco; pH; physiology; questionnaire; risk factor; standards; Streptococcaceae; turkey (bird); water supply, Animals; Bacteria, Anaerobic; Drinking Water; Enterobacteriaceae; Enterococcaceae; Farms; Feces; Hydrogen-Ion Concentration; Morocco; Risk Factors; Spores, Bacterial; Streptococcaceae; Surveys and Questionnaires; Turkeys; Water Microbiology; Water Supply
Subjects: Agricultural and Biological Sciences
Divisions: SCIENTIFIC PRODUCTION > Agricultural and Biological Sciences
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:44
URI: http://eprints.umi.ac.ma/id/eprint/1341

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