Heavy metal contents in bovine tissues (kidney, liver and muscle) from Central Gondar Zone, Ethiopia

Akele, Mulugeta Legesse; Desalegn, Setegn Kassawmar; Asfaw, Tilahun Belayneh; Assefa, Atnafu Guadie; Alemu, Addis Kokeb; Oliveira, Rodrigo Rocha de

doi:10.1016/j.heliyon.2022.e12416

Cited by 12 publications

(3 citation statements)

References 42 publications

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“…Heavy metals enter in the human body through ingestion of food [17] , [8] ; breathing in air and drinking wastewater [3] , [29] , [39] . The heavy metals are very harmful because of their non-biodegradable nature, long biological half-lives, and their potential to accumulate in different body parts even at low concentration.…”

Section: Introductionmentioning

confidence: 99%

Analysis of nutrient loads, heavy metals and physicochemical properties of wastewater, wetland grass, and papaya samples: Gondar Malt factory, Ethiopia with global implication

Gezahegn,

Dereje,

Tefera

et al. 2024

Toxicology Reports

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Section: Introductionmentioning

confidence: 99%

Analysis of nutrient loads, heavy metals and physicochemical properties of wastewater, wetland grass, and papaya samples: Gondar Malt factory, Ethiopia with global implication

Gezahegn,

Dereje,

Tefera

et al. 2024

Toxicology Reports

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“…Ingestion of heavy metal‐contaminated feeds and feed ingredients by dairy animals may result in their accumulation in the tissues (Petukhova, 2013 ), organs (Akele et al., 2022 ; Hashem et al., 2022 ), and body fluids (Hassan et al., 2019 ; Tahir et al., 2017 ) of these animals, thereby providing a primary route for human exposure via the consumption of meat (Yakupa et al., 2018 ), raw milk (Jaafarzadeh et al., 2023 ; Tahir et al., 2017 ), and other dairy products (Sarsembayeva et al., 2020 ; Sujka et al., 2019 ). Elevated concentrations of trace elements in feeds intended for dairy cattle have emerged as a worldwide issue, raising alarms about the potential risks they pose to the health of both animals and humans.…”

Section: Introductionmentioning

confidence: 99%

Influence of geographical location on the distribution of heavy metals in dairy cattle feeds sourced from two South African provinces

Adelusi,

Oladeji,

Gbashi

et al. 2024

Food Science & Nutrition

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The contamination of feed and food by heavy metals represents a significant concern for the health of both animals and humans. This study investigates the impact of geographical location on heavy metal distribution in dairy cattle feeds sourced from Free State and Limpopo, South Africa (SA). A total of 70 feed samples (40 from Free State and 30 from Limpopo) were collected from 2018 to 2019 and analyzed for heavy metals, including cadmium (Cd), arsenic (As), copper (Cu), zinc (Zn), lead (Pb), and chromium (Cr), using inductively coupled plasma mass spectrometry (ICP‐MS). Our findings revealed the presence of Cr, Cu, and Zn in the feeds, but at levels below the FAO/WHO permissible limits. Additionally, As, Cd, and Pb concentrations in the feeds were below the Limit of Detections (LODs). Generally, Cr concentrations (0.032–0.454 mg/kg) identified in the Free State samples were lower than those found in Limpopo (0.038–1.459 mg/kg), while the levels of Cu (0.092–4.898 mg/kg) and Zn (0.39–13.871 mg/kg) recorded in the Free State samples were higher than those from Limpopo [(0.126–3.467 mg/kg) and (0.244–13.767 mg/kg), respectively]. According to independent sample t‐tests, Cu and Zn levels were substantially higher (p ≤ .05) in Free State feeds compared to Limpopo, while Limpopo feeds exhibited significantly higher (p ≤ .05) Cr concentrations than Free State feeds. Despite the low recorded heavy metal levels, regular monitoring of these elements in cow diets across all SA provinces is essential for ensuring the well‐being of animals and humans.

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“…Several tissues are used to evaluate element concentrations in birds, but the most frequently analyzed tissues for toxic metals are livers, kidneys, and feathers [19]. In general, the accumulation of heavy metals reveals tissue-specific differences because of varied environmental circumstances and organ functions [20][21][22]. El-Shabrawy et al (2022) [18] found that the kidney is the tissue most burdened by heavy metals compared to liver and feather of the insectivore (Barn Swallow; Hirundo rustica) and water birds (Great Egret; Ardea alba and Striated Heron; Butorides striata).…”

Section: Introductionmentioning

confidence: 99%

Species Differences and Tissue Distribution of Heavy Metal Residues in Wild Birds

Khwankitrittikul,

Poapolathep,

Poapolathep

et al. 2024

Animals

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Birds are useful as bioindicators of metal pollution, but the variety of species and tissue distribution may influence the study of heavy metal burdens in birds. The objective of this study was to determine the levels of heavy metals in wild birds’ carcasses to acquire information on species differences and the tissue distribution of metals in wild birds in Thailand. Species differences in metal buildup were observed in the livers and kidneys, but not in the feathers. A significantly higher accumulation of Cd was found in the livers and kidneys of the granivorous birds compared to those in the water birds. In all the groups of birds, the Pb level in the livers (>15 ppm) and feathers (>4 ppm) exceeded the threshold limits, causing potential lead poisoning and disturbing the reproductive success. The Cd accumulation in the kidneys was above 2–8 ppm, indicating increased environmental exposure to Cd in these birds. The Cd, Pb, Ni, Zn, and Fe concentrations in the livers could be estimated using the kidneys, while the Pb level in the liver may be predicted using feathers. Furthermore, water birds’ feathers may be potentially appropriate bioindicators for long-term exposure. Research on the origin of metal contamination is needed to reduce the threat of heavy metals to the health of both birds and other wildlife species.

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Heavy metal contents in bovine tissues (kidney, liver and muscle) from Central Gondar Zone, Ethiopia

Cited by 12 publications

References 42 publications

Analysis of nutrient loads, heavy metals and physicochemical properties of wastewater, wetland grass, and papaya samples: Gondar Malt factory, Ethiopia with global implication

Analysis of nutrient loads, heavy metals and physicochemical properties of wastewater, wetland grass, and papaya samples: Gondar Malt factory, Ethiopia with global implication

Influence of geographical location on the distribution of heavy metals in dairy cattle feeds sourced from two South African provinces

Species Differences and Tissue Distribution of Heavy Metal Residues in Wild Birds

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