Cattle hair as a biomarker of lead pollution in the region of the Shirazoil and petrochemical industries in Iran

سال انتشار: 1389
محل انتشار: فصلنامه طب دامی ایران، دوره: 4، شماره: 3
کد COI اختصاصی: JR_IJVM-4-3_001
زبان مقاله: انگلیسی
تعداد مشاهده: 471

نویسندگان

Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Shiraz, Shiraz, Iran.

چکیده

This survey aimed to evaluate the level of lead (Pb) pollution in cattle in the vicinity of the Shiraz oil and petrochemical industries using hair samples.Dairy farms located within 10 km of the Shiraz oil and petrochemical industries were identified and divided into four groups. Farms that werelocated in the radial zones of 0.5-1.5 km, 1.5-5 km, 5-7 km, 7-10.5 km were considered as groups A, B, C and D, respectively. Fifteen cattle from a farmthat was located far from the polluting areas comprised the control group (E). Head hair samples were collected from fifteen age-matched cows from each ofthe five groups in each season round year. Cattle that were located closer to the oil and petrochemical industries had higher hair Pb concentration. In allgroups, the hair lead concentrations of cattle that were reared near to the oil industry were significantly higher than of those reared in the region of thepetrochemical industry (p< 0.05); and showed pollution factors of about two folds when groups in the same distances of oil and petrochemical industrieswere compared. In this study, there was a declining trend in hair lead concentration from spring to winter from 8.3 to 2.6 ppm and from 4 to 2.2 ppmin cows located near to the oil and petrochemical industry plants, respectively

کلیدواژه ها

Cattle; hair; lead; oil industry;petrochemical industry; pollutionfactor; Shiraz

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