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All Journal Industrial and Domestic Waste Management
Oyekunle, John Adekunle O.
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Environmental Science

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Evaluation of Bioavailable Contents of Arsenic, Copper and Zinc in Some Poultry Farms Soils in Osun State, Nigeria Ogunwale, Taiwo Olusegun; Oyekunle, John Adekunle O.; Ogunfowokan, Aderemi Okunola; Oyetola, Simeon Oyesoji
Industrial and Domestic Waste Management Volume 2 - Issue 2 - 2022
Publisher : Tecno Scientifica Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/idwm.v2i2.119

Abstract

This work evaluated the mobility and bioavailability of arsenic, copper and zinc in chosen poultry farmlands situated within Osun State, Nigeria in respect to the soil physicochemical characteristics. The site was split into 12 zones of about equal sites. Soil samples were collected over a period of four months from each zone for analysis of soil physicochemical characteristics and As, Cu and Zn contents in sequential fraction of the soil sample. Sequential fractionation of soil samples were conducted utilizing reworked Tessier technique, utilizing Flame Atomic Absorption Spectrophotometer. Mean of total content (mg/kg) and percentage bioavailability were: As 470.48±48 (31.16%), Cu 62.95±10.61 (29.02%) and Zn 125.58±20.74 (26.67%), respectively. Analysis of variance and correlation analyzes indicated that soil pH, % clay, % organic carbon, cation exchange capacity, and metal speciation in soil control metal mobility and bioavailability in the poultry farm soil. The mean contents of As, Cu and Zn in soil in the sampling area were usually more than those of the control site, indicating some degrees of contamination of the poultry farm soil by these metals. Also, the mean contents of As in some zones were considerably greater (p
Evaluation of Heavy Metals Found in Vegetables of Some Poultry Farms in Osun State, Nigeria Ogunwale, Taiwo Olusegun; Oyekunle, John Adekunle O.; Ogunfowokan, Aderemi Okunola; Oyetola, Simoen Oyesoji
Industrial and Domestic Waste Management Volume 2 - Issue 2 - 2022
Publisher : Tecno Scientifica Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/idwm.v2i2.138

Abstract

Heavy metals are persistent in the ecosystem and are held responsible for natural accumulation at all feeding levels. Nevertheless, contact does not occur just because of the availability of a contaminant material in the ecosystem. This present work was aimed at evaluating the contents of heavy metals in vegetables sampled from some poultry farms in Osun State. Five vegetables, namely green vegetable, bitter leaf, gruty-stalked jatropha, scent leaf, and water leaf, were tested for heavy metals, such as arsenic, cadmium, copper, iron, lead, and zinc, using a flame atomic absorption spectrophotometer following wet digestion with HNO3. Quality assurance techniques included blank testing, recovery testing, and calibration of concentrations. Descriptive statistics were used for data interpretation. The analytical results signified that those heavy metals were detected in all the vegetables from the various sites. Most of the contents are below the Food and Agriculture Organization/World Health Organization safe range in the vegetable section, with the exception of A. Drastic measures should be adopted to avoid the use of such health-toxic contents of metals in poultry feed. So, it was suggested that there should be constant monitoring of poultry sites to control, limit, and stop heavy metal contamination once and for all.
Co-Authors Ogunfowokan, Aderemi Okunola Ogunwale, Taiwo Olusegun Oyetola, Simeon Oyesoji Oyetola, Simoen Oyesoji