Parasitological Assessment of Wastewater Reuse According to Egyptian Guidelines | ||||
| Egyptian Journal of Aquatic Biology and Fisheries | ||||
| Article 79, Volume 28, Issue 5, September and October 2024, Page 1347-1357 PDF (435.64 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejabf.2024.384178 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
Effat Morsy; Ahmad Al-Herrawy
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| Abstract | ||||
| Twenty-four treated municipal wastewater samples were collected during one-year study period and examined for the presence of helminthes eggs, Cryptosporidium oocysts, and Giardia cysts to compare between their occurrences. Modified Bailenger method was used in this study to detect and enumerate nematode eggs in the treated wastewater samples, while polymerase chain reaction (PCR) technique was used to detect Cryptosporidium and Giardia in the same treated wastewater samples. Results revealed that Ascaris eggs were detected in only 8.33% out of 24 treated wastewater samples, while Cryptosporidium oocysts and Giardia cysts were detected in 20.83 and 12.5% out of the same 24 treated wastewater samples, respectively. The public's health is at risk since treated wastewater used for agriculture still contains Giardia cysts and Cryptosporidium oocysts, even if it satisfies the nematode criteria. | ||||
| Keywords | ||||
| Nematode eggs; Cryptosporidium; Giardia; Treated wastewater; Guidelines; Effluent | ||||
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