Chemical Residues in Some Farmed Fish Species Marketed in Sharkia Governorate, Egypt.
Osman, H., saad, S., Fatahlla, G., Samir, M. (2023). Chemical Residues in Some Farmed Fish Species Marketed in Sharkia Governorate, Egypt.. EKB Journal Management System, 45(1), 141-145. doi: 10.21608/bvmj.2023.221090.1676
Hania Elsayed Osman; saad m saad; Gehan Fatahlla; Maha Samir. "Chemical Residues in Some Farmed Fish Species Marketed in Sharkia Governorate, Egypt.". EKB Journal Management System, 45, 1, 2023, 141-145. doi: 10.21608/bvmj.2023.221090.1676
Osman, H., saad, S., Fatahlla, G., Samir, M. (2023). 'Chemical Residues in Some Farmed Fish Species Marketed in Sharkia Governorate, Egypt.', EKB Journal Management System, 45(1), pp. 141-145. doi: 10.21608/bvmj.2023.221090.1676
Osman, H., saad, S., Fatahlla, G., Samir, M. Chemical Residues in Some Farmed Fish Species Marketed in Sharkia Governorate, Egypt.. EKB Journal Management System, 2023; 45(1): 141-145. doi: 10.21608/bvmj.2023.221090.1676

Chemical Residues in Some Farmed Fish Species Marketed in Sharkia Governorate, Egypt.

Benha Veterinary Medical Journal
Volume 45, Issue 1, October 2023, Page 141-145  XML PDF (940.08 K)
Document Type: Original Article
DOI: 10.21608/bvmj.2023.221090.1676
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Authors
Hania Elsayed Osman email 1; saad m saad1; Gehan Fatahlla2; Maha Samir3
1Department of Meat Hygiene, Faculty of Veterinary Medicine, Benha University, Egypt.
2Fish Diseases Department, Animal Health Research Institute
3Food Control Department, Animal Health Research Institute, Zagazig Branch
Abstract
This study was conducted to evaluate the chemical status of some farmed fish species marketed in Sharkia Governorate and compare it with the Egyptian standards (ES) of chilled fish. A total of 150 samples of farmed fish at Nile cages, concrete ponds and earthen ponds (50 of each, including 25 of both Tilapia nilotica and Mugil cephalus), respectively were examined. The samples were collected during autumn 2021. The results of the chemical analysis revealed that the percentage of samples that exceeded the permissible limits according to ES (7136:2010) of mercury residues were 44% and 20% (Nile cages), 36% and 32% (concrete ponds), 14% and 12% (earthen ponds) for Tilapia and Mugil, respectively. For lead, such residues were 40% and 36%, 20% and 28%, 44% and 24%, respectively. While cadmium residues were 48% and 36%, 20% and 16%, 44% and 68%, respectively. For the hormonal residues (methyl testosterone and trenbotone acetate), all positive samples exceeded the permissible limits according to ES (3494:2005)which denotes that fish meat should be free of hormonal residues (ES: 3494:2005). All examined samples were free of pesticide residues (Aldrin and Malathione). Therefore, to safeguard fish farms from pollution and lower environmental risk, significant efforts and coordination among various authorities are required. This can be accomplished by treating sewage, industrial, and agricultural wastes. It is also crucial to regularly check for toxins in farm water.
Keywords
farm fish; heavy metal residues; hormonal residues; pesticide residues
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