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izvor podataka: crosbi

Cadmium in brown bears from Croatia: age and sex differences (CROSBI ID 590317)

Prilog sa skupa u časopisu | sažetak izlaganja sa skupa | domaća recenzija

Vihnanek Lazarus, Maja ; Sekovanić, Ankica ; Jurasović, Jasna ; Huber, Đuro ; Reljić, Slaven Cadmium in brown bears from Croatia: age and sex differences // Arhiv za higijenu rada i toksikologiju / Želježić, Davor (ur.). 2012. str. 30-x

Podaci o odgovornosti

Vihnanek Lazarus, Maja ; Sekovanić, Ankica ; Jurasović, Jasna ; Huber, Đuro ; Reljić, Slaven

engleski

Cadmium in brown bears from Croatia: age and sex differences

Levels of cadmium (Cd) in the environment should be continuously monitored because of its ubiquity and ability to accumulate and exhibit toxic effects in the organism. Brown bears are suitable for Cd monitoring because of their feeding habits (omnivores) and relative longevity compared to other wild animals. There are no published data on metals in Dinara-Pindos bear population of which Croatian bears are a part. In this study, Cd was measured in muscle, liver and kidney cortex of 111 brown bears (Ursus arctos) hunted in Gorski kotar and Lika during 2009 and 2010 according to "The Brown Bear Management Plan for Croatia". Cadmium content was determined using inductively coupled plasma-mass spectrometry. Distribution of Cd across tissues was as follows (median ; range): muscle (0.008 ; 0.0007-1.55 mug/g wet mass), liver (1.02 ; 0.003-8.35 mug/g), kidney (16.5 ; 0.774-139.5 mug/g). Cadmium in all three tissues was 1.5-2.2 times higher in females than in males (p<0.05). Age group (young: ≤3 years ; old >3 years) had significant influence on Cd in liver (p<0.001) and kidney (p<0.001) but not in muscle. Old bears of both sexes contained more Cd in target organs of accumulation then the young ones. Factors causing sex-differences in Cd levels could be hormones, reproductive state, and size variations, all affecting food intake, the principal source of Cd for bears. Regarding maximum levels of Cd allowed in meat, liver and kidney for consumption, bear meat is considered suitable for human consumption but offal should be avoided.

accumulation; monitoring; tissue; toxic metal; Ursus arctos

Poster presentation P-6

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Podaci o prilogu

30-x.

2012.

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objavljeno

Podaci o matičnoj publikaciji

Arhiv za higijenu rada i toksikologiju

Želježić, Davor

0004-1254

Podaci o skupu

4th Croatian Congress of Toxicology with the international participation

poster

02.10.2012-05.10.2012

Primošten, Hrvatska

Povezanost rada

Javno zdravstvo i zdravstvena zaštita, Veterinarska medicina

Poveznice
Indeksiranost