Article ; Online: Contamination of Selected Toxic Elements in Integrated Chicken-Fish Farm Settings of Bangladesh and Associated Human Health Risk Assessments
Biol Trace Elem Res. 2023 Mar., v. 201, no. 3 p.1465-1477
2023
Abstract: The presence of trace elements in the environment can contaminate a food chain of an agro farm in various ways. Integrated chicken-fish farms (i.e., where poultry chicken and fish are cultivated in same places) are getting popular nowadays to meet the ... ...
| Abstract | The presence of trace elements in the environment can contaminate a food chain of an agro farm in various ways. Integrated chicken-fish farms (i.e., where poultry chicken and fish are cultivated in same places) are getting popular nowadays to meet the demands of a balanced diet. The present study conducted a health risk assessment on the basis of selected heavy metal (i.e., Cr and Pb) and metalloid (i.e., As) contamination in this type of farm in Bangladesh. Samples of various types were collected from different farms between September 2019 and March 2020. The concentrations of the elements were checked by Flame-AAS and HG-AAS. Our findings demonstrated that the elements’ concentrations in fishes were simultaneously induced by the habitation and bioaccumulation through the food chain of the farm. The concentrations of As and Pb in the chicken parts and Cr and As in some fishes were greater than the highest limits set by different permissible standards. Overall, the metal concentration obtained in different samples was in descending order: sediment > droppings > different fish parts > various species of chicken > pond water. Among the pollutants, As gave target hazard quotient (THQ) values higher than 1 for all the species, suggesting health risks from the intake of fishes and chicken. However, there was non-target cancer risk present while considering all the elements together. Notably, the study found carcinogenic risks of As, Pb, and Cr for humans due to poultry and/or fish consumption; the identified health risks associated with the integrated farming setting will be crucial in further tackling strategies. Investigation of the possible sources of heavy metals in commercial chicken feeds and regular monitoring of groundwater used for agro-farming are highly recommended to reduce the burden. |
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| Keywords | bioaccumulation ; carcinogenicity ; chickens ; farms ; fish ; fish consumption ; food chain ; groundwater ; health effects assessments ; heavy metals ; human health ; metalloids ; risk ; sediments ; Bangladesh |
| Language | English |
| Dates of publication | 2023-03 |
| Size | p. 1465-1477. |
| Publishing place | Springer US |
| Document type | Article ; Online |
| ZDB-ID | 445336-0 |
| ISSN | 1559-0720 ; 0163-4984 |
| ISSN (online) | 1559-0720 |
| ISSN | 0163-4984 |
| DOI | 10.1007/s12011-022-03244-0 |
| Database | NAL-Catalogue (AGRICOLA) |
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