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Accumulation of Metals in the Environment and Grazing Livestock near A Mongolian Mining Area

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Title: Accumulation of Metals in the Environment and Grazing Livestock near A Mongolian Mining Area
Authors: Bataa, Bayartogtokh Browse this author
Motohira, Kodai Browse this author
Dugar, Delgermurun Browse this author
Sainnokhoi, Tsend-Ayush Browse this author
Gendenpil, Lkhamjav Browse this author
Sainnokhoi, Tserenchimed Browse this author
Pelden, Bolormaa Browse this author
Yohannes, Yared Beyene Browse this author
Ganzorig, Sumiya Browse this author
Nakayama, Shouta M. M. Browse this author →KAKEN DB
Ishizuka, Mayumi Browse this author →KAKEN DB
Ikenaka, Yoshinori Browse this author →KAKEN DB
Keywords: metals
animal health
food safety
Issue Date: Dec-2022
Publisher: MDPI
Journal Title: Toxics
Volume: 10
Issue: 12
Start Page: 773
Publisher DOI: 10.3390/toxics10120773
Abstract: The Mongolian economy is supported by rich deposits of natural resources, such as copper, coal, and gold. However, the risk of heavy metal pollution to livestock and human have been recently discussed. This research collected various samples from soil and animal (sheep, goat, horse, cow, and camel), blood and organs (kidney and liver) in the Mongolian countryside. These samples were processed, and the concentration of metals was quantified using inductively coupled plasma-mass spectrometry (ICP/MS). As previously reported, arsenic was found at high levels of accumulation in soil. Selenium is another concern, as median concentration in one area exceeded the maximum allowable level. Cadmium and selenium were found to be highly accumulated in animal kidney. This research revealed the current pollution level in Mongolia based on evaluation of soil and animals. The concentration in animals could not indicate that animals had severe effects because of heavy metal exposure. However, kidney is eaten in Mongolia, and so there is a direct connection to human health, and this research suggested the possible risks posed by each edible animal. In particular, evaluation of metals in livestock is rare in Mongolia. This result can contribute to animal and human health in Mongolian communities.
Type: article
Appears in Collections:獣医学院・獣医学研究院 (Graduate School of Veterinary Medicine / Faculty of Veterinary Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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