Abstract
Pesticides are used extensively especially in developing countries like Egypt to control pest either in animal or in agriculture, which may lead to harmful residues in foods of animal origin. The current study was conducted to estimate the residue level of OC and pyrethroid in 320 beef and sheep samples (160each) collected from different shops at Beni-Suef governorate during summer and winter season. The collected samples were liver, muscle, kidney, and fat (80 each; 4o from each animal species).Among fourteen organochlorine compound examined, only Alpha HCH was detected in samples of cattle and sheep collected through winter season in a level below the MRL, while through summer season, only Alpha HCH and Delta HCH were detected in sheep samples in a level below the MRL. Pyrethroid pesticides residues represented by cypermethrin, deltamethrin, Esfenvalerate, permethrin were not detected through winter season, while they were detected in muscles of cattle and fat of sheep through summer season, while Labdacyhalothrin, bifenthrin, cyfluthrin, Meothrin were detected in most of examined samples from different species through winter and summer seasons, most of these results revealed higher mean level than the maximum residue limits. From these results most of OC could not be detected may be due to these compounds not used science 1970, on other hand pyrethroid it still used nowadays in Egypt either in agriculture or as spray in animals to control ectoparasites spatially in summer season.
Highlights
Meat is an excellent source of high nutritional protein and fat contents as essential amino acids and high source of minerals as Heam iron
Organochlorine Pesticides (OCP) are characterized by their bioaccumulation in the environment, especially in the food chain, where they find their way into the human body
Organochlorine residues in different organs in cattle and sheep through winter and summer seasons: The mean values of Alpha HCH in examined cattle sample during winter season were (0.390±0.041, 0.253±0.025, 0.155±0.016 and 0.106±0.016) for fat, muscle, liver and kidney, respectively, (Table 1).While the other thirteen compounds of OC were not be detected
Summary
Meat is an excellent source of high nutritional protein and fat contents as essential amino acids and high source of minerals as Heam iron. Pesticides residues may be used extensively in developing countries like Egypt to control pest either in animal or in agriculture in many African countries. Pesticides are used to control pests in plants which transmit to human through food chain. Pesticides are used as spay for animal to control ectoparasites, bioaccumulation of pesticides residues in food of animal origin like meat, milk, and fish (Benbrook, 2002), (Lehotay, 2005) and (Qiu, 2005). Organochlorine pesticides are widely used by farmers due to their broad-spectrum activity and their effectiveness. Organochlorine pesticides such as lindane, DDT and endosulfan are used to control ectoparasites of pets and farm animals (Ntow et al, 2006).
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