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Journal of Applied Sciences
  Year: 2007 | Volume: 7 | Issue: 20 | Page No.: 3038-3044
DOI: 10.3923/jas.2007.3038.3044
 
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Monitoring of Certain Pesticide Residues and Some Heavy Metals in Fresh Cow’s Milk at Gharbia Governorate, Egypt

I.N. Nasr, A.A.A. Sallam and A.A. Abd El-Khair

Abstract:
This monitoring study of 40 samples of cow’s milk collected from different locations at Gharbia Governorate during the four different seasons of the years 2005-2006, was conducted to determine the contamination levels of seven pesticide residues including four organophosphorus (chlorpyrifos, diazinon, dimethoate and malathion) and three synthetic pyrethroides (cypermethrin, deltamethrin and fenvelerate), as well as five heavy metals (copper, iron, cadmium, zinc and lead). The results showed that there were no contamination with investigated pesticide residues found in all analyzed samples, except for malathion, which was detected in a single sample with a negligible existence (0.018 mg kg-1), by ratio of (0.02%) of all samples. In relation to heavy metals detection, data revealed that all milk samples were contaminated with heavy metals all year around. The contamination with heavy metals was generally dominated at summer season. Level of lead was higher than other metals. The mean levels of Cu, Fe, Cd, Zn and Pb were 0.251, 0.607, 0.159, 0.371 and 2.462 mg kg-1, respectively. Cu, Fe and Zn level were under the permissible limits, while the Cd and Pb were exceeded the permissible limits, indicating serious heavy metals pollution in the region.
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How to cite this article:

I.N. Nasr, A.A.A. Sallam and A.A. Abd El-Khair, 2007. Monitoring of Certain Pesticide Residues and Some Heavy Metals in Fresh Cow’s Milk at Gharbia Governorate, Egypt. Journal of Applied Sciences, 7: 3038-3044.

DOI: 10.3923/jas.2007.3038.3044

URL: https://scialert.net/abstract/?doi=jas.2007.3038.3044

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