Metals and arsenic distribution in stray dogs' tissues around a lead-zinc mine in Kabwe, Zambia

Soe, Nyein Chan; Yohannes, Yared Beyene; Kataba, Andrew; Tembo, Madalitso; Yabe, John; Zyambo, Golden; Chawinga, Kenneth; Muzandu, Kaampwe; Ikenaka, Yoshinori; Ishizuka, Mayumi; Nakayama, Shouta M. M.

Metals and arsenic distribution in stray dogs' tissues around a lead-zinc mine in Kabwe, Zambia

Soe, Nyein Chan; Yohannes, Yared Beyene; Kataba, Andrew et al.

Environmental science and pollution research, 2024, 31(8), 12083-12093

Permalink : https://hdl.handle.net/2115/93924

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アクセス権	open access
URI	https://hdl.handle.net/2115/93924
タイトル	Metals and arsenic distribution in stray dogs' tissues around a lead-zinc mine in Kabwe, Zambia
著者	Soe, Nyein Chan ; Yohannes, Yared Beyene ; Kataba, Andrew ; Tembo, Madalitso ; Yabe, John ; Zyambo, Golden ; Chawinga, Kenneth ; Muzandu, Kaampwe ; Ikenaka, Yoshinori ; Ishizuka, Mayumi ; Nakayama, Shouta M. M.
著者名 Soe, Nyein Chan
著者名 Yohannes, Yared Beyene
著者名 Kataba, Andrew
著者名 Tembo, Madalitso
著者名 Yabe, John
著者名 Zyambo, Golden
著者名 Chawinga, Kenneth
著者名 Muzandu, Kaampwe
e-Rad_Researcher 40543509 著者名 Ikenaka, Yoshinori
e-Rad_Researcher 50332474 著者名 Ishizuka, Mayumi
e-Rad_Researcher 90647629 著者名 Nakayama, Shouta M. M.
言語	英語
キーワード	Stray dog
	Accumulation
	Metals
	Tissue
	Mine
	Kabwe
発行日	2024-01-16
出版者	Springer
収録物名	Environmental science and pollution research
巻(号)	31(8)
ページ	12083-12093
抄録	Metal contamination poses a threat to human, animal, and environmental health. The purpose of the current study was to assess the accumulation of toxic and trace metal concentrations in tissues of stray dogs in Kabwe, a town known for lead pollution due to a long history of lead and zinc mining. Brain, spleen, heart, stomach, stomach content, small intestine, kidney, liver, and bone samples were collected from 29 stray dogs (14 from locations within 3 km of the mine and 15 from sites 7 km away from the mine) after necropsy. Inductively coupled plasma mass spectrometry was used to analyze toxic metals, arsenic (As), cadmium (Cd), and lead (Pb), and trace elements, copper (Cu) and zinc (Zn). The lungs (0.117 +/- 0.114 mg/kg dry weight), kidney (7.515 +/- 8.830 mg/kg dry weight), and bone (41.68 +/- 66.83 mg/kg dry weight) were found to have the highest concentrations of As, Cd, and Pb, respectively. In contrast, higher Cu and Zn concentrations were measured in the liver than in other tissues. In all tissues analyzed, tissues sampled from dogs near the mine had significantly higher mean concentrations of Cd and Pb than dogs far away. Neither sex nor age-related differences were observed in the distribution of metals in most tissues. There were significant associations among toxic (Pb and Cd) and trace metals (Cu and Zn). In the kidney, Cd positively correlated with Pb (rho = 0.534) and Zn (rho = 0.600), whereas in the liver, Cu correlated with Zn (rho = 0.565). The current study's findings suggest that environmental pollution is still a problem in Kabwe, and environmental remediation is needed to address the pollution.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: http://dx.doi.org/10.1007/s11356-024-31948-4
PISSN	0944-1344
EISSN	1614-7499
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1007/s11356-024-31948-4