Lead, cadmium, arsenic and mercury in meat, liver and kidney of Swedish pigs and cattle in 1984–88

Jorhem, Lars; Slorach, S. A.; Sundström, Birgitta; Ohlin, B

doi:10.1080/02652039109373970

Cited by 79 publications

(56 citation statements)

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“…Although toxic metal concentrations in the current study were low and did not pose immediate health risks, the levels of Pb and Cd indicate potential for increased accumulation, if exposure is prolonged as these metals bioaccumulate and bioconcentrate in organs and tissues of animals [14]. The low levels of Hg and As in the present study agreed with findings in other studies [5,15], and they posed no immediate health risk to human consumers.Ni and Cr are considered as essential trace elements, and there are no benchmark values for cattle offal destined for human consumption. In the current study, median levels of 0.594 mg/kg wet weight Ni and 1.35 mg/kg Cr in the liver were comparable to the concentrations reported previously in cattle from polluted regions in Zambia [15].…”

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confidence: 82%

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confidence: 82%

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Accumulation of Metals in the Liver and Kidneys of Cattle from Agricultural Areas in Lusaka, Zambia

et al. 2012

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ABSTRACT. Intensive agricultural practices are recognized as significant sources of metal pollution in soils and pasture. This study investigated metal contamination in cattle offal from an agricultural area in Zambia, where inorganic fertilizers, agricultural lime, and pesticides are routinely applied. The highest median values (mg/kg, wet weight) of Cu (40.9), Zn (35.2), Cr (1.35) and Ni (0.594) were recorded in the liver, whereas the highest median values of Pb (0.061) and Cd (0.049) were found in kidneys. Maximum levels of Hg, As and Co were under 0.2 mg/kg in both organs. Pb and Cd did not exceed the benchmark values in cattle offal for human consumption and did not pose immediate health risks. Concentrations of Ni and Cr could present a public health concern. Monitoring of metal accumulations in offal of cattle, not only from well-known polluted environments but also agricultural areas, should be done regularly for the health of human consumers. KEY WORDS: cattle, kidney, liver, metal accumulation, Zambia.doi: 10.1292/jvms.12-0142; J. Vet. Med. Sci. 74(10): 1345-1347, 2012 The accumulation of toxic metals in food animals is recognized as a public health hazard worldwide. Toxic metals can be lethal and tend to accumulate in the liver, kidneys, bones, and other tissues [8]. Metals including Pb, Cd, Hg, and As are readily transferred through food chains and pose potential health risks to human consumers. Sources of metal contamination in livestock production systems can be natural and anthropogenic. In agricultural systems that integrate livestock and crop production, intensive agricultural practices are recognized as significant sources of metal accumulation [9]. Fertilizers and agricultural lime contain metal impurities, and it is widely reported that application of these agrochemicals, especially phosphate fertilizers, results in accumulation of metals in agricultural soils [9,12]. Metallo-pesticides, including insecticides, fungicides, and herbicides, are also known to contain various metals that can increase metal accumulation [12]. Thus, the present study determined Pb, Cd, Hg, As, Ni, Cr, Cu, Zn, and Co concentrations in the liver and kidneys of cattle from an agricultural area in Zambia to provide a preliminary assessment of metal accumulation in cattle offal, and the potential risks to human consumers as cattle liver and kidneys are widely consumed in Zambia.Paired liver and kidney samples were collected in October, 2009 from 112 mixed breed male and female adult cattle slaughtered at abattoirs in Lusaka (latitude 15° 25' S, longitude 28° 16' E), the capital city of Zambia. Cattle slaughtered at these abattoirs came from commercial farms in the Chisamba agricultural block, located approximately 50 km north of Lusaka City. Samples were transported to the Graduate School of Veterinary Medicine, Hokkaido University, Japan for metal concentration analysis.Metals (except for Hg) were extracted from the liver and kidney samples by acid digestion using the method of Nakayama [7] with minor modifications. Th...

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Accumulation of Metals in the Liver and Kidneys of Cattle from Agricultural Areas in Lusaka, Zambia

et al. 2012

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“…However, a lower quantity of these elements respectively: (0.005 -0.015 mg/kg) and (0.001 -0.002 mg/kg) in beef was obtained by other authors (Gonzales-Weller 2006;Jorhem et al 1991;Larsen et al 2002;López et al 2000;Niemi et al 1991;Tahvonen and Kumpulainen 1994). In turn, López et al 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 …”

Section: Resultsmentioning

confidence: 99%

Correlation of lead, cadmium and mercury levels in tissue and liver samples with age in cattle

Rudy

2009

Food Additives & Contaminants: Part A

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To cite this version:Mariusz Rudy. Correlation of lead, cadmium and mercury levels in tissue and liver samples with age of cattle. Food Additives and Contaminants, 2009, 26 (06) AbstractThe aim of the research was to determine the level of accumulation of selected heavy metals (Pb, Cd, Hg, As) in meat and liver of cattle. The animals were divided into four age groups which allowed the analysis of statistical-mathematical correlations between the age of the animals and contamination of meat. The research material for determining the content of heavy metals was taken from the longissimus back muscle (m. longissimus dorsi), and samples of liver from the tail lobe. The analysis carried out shows that contamination of meat of cattle by Cd and Pb clearly depends on the age of these animals.

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“…The concentrations of mercury, cadmium, and lead in edible tissues of animals were investigated in Sweden (Jorhem et al, 1991) and Finland (Niemi et al, 1991). Data on the occurrence of mercury, cadmium, and lead in the biosphere were summarised by Cibulka et al (1991).…”

Section: Introductionmentioning

confidence: 99%

Variations in contamination by mercury, cadmium and lead on swine farms in the district of Hodonin in 1994 to 1999

Ulrich¹,

Raszyk²,

A³

2001

Vet. Med. - Czech

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Environmental samples (n = 254) were collected at regular intervals from 1994 to 1999 on three swine farms in the area of the district town Hodonín, Czech Republic. The samples of feed mixtures (n = 85), barn dust sediments (n = 44), and muscular (n = 42), hepatic (n = 41), and renal (n = 42) tissues of feeder pigs were analysed for the concentrations of mercury, cadmium and lead. The concentrations of mercury showed decreasing tendencies in animal tissue samples (19941996). Compared with the mean for the Czech Republic, the concentration of mercury was markedly higher in liver and kidney samples (0.064 mg/kg and 0.114 mg/kg, respectively) collected in 1998, the concentration of cadmium was moderately higher in feed, muscle, liver, and kidney samples collected in 19961998. Statutory limits were exceeded in two liver and two kidney samples and one feed sample only. The concentration of lead in muscle, kidney, and feed samples (19941996) and barn dust samples (19961998) showed also a decreasing tendency. However, the limit was exceeded in 16 muscle samples (0.11 to 0.23 mg/kg) collected in 19941999 and two kidney samples collected in 1996 (0.74 mg/kg) and 1999 (0.77 mg/kg). Heavy metals present in dust sediments apparently did not contribute significantly to their content in animal tissue. While the health risk resulting from the contents of mercury and cadmium can be classified as moderate, the contents of lead must be regarded as markedly more dangerous. For free full paper in pdf format see

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Lead, cadmium, arsenic and mercury in meat, liver and kidney of Swedish pigs and cattle in 1984–88

Cited by 79 publications

References 5 publications

Accumulation of Metals in the Liver and Kidneys of Cattle from Agricultural Areas in Lusaka, Zambia

Accumulation of Metals in the Liver and Kidneys of Cattle from Agricultural Areas in Lusaka, Zambia

Correlation of lead, cadmium and mercury levels in tissue and liver samples with age in cattle

Variations in contamination by mercury, cadmium and lead on swine farms in the district of Hodonin in 1994 to 1999

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