Accumulation and depletion of some organochlorine pesticides in broiler breeder hens during the second laying cycle

Kan, C.A.; Rooyen, Jenny C. Jonker-Den

doi:10.1021/jf60216a002

J. Agric. Food Chem.

1978

DOI: 10.1021/jf60216a002

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Accumulation and depletion of some organochlorine pesticides in broiler breeder hens during the second laying cycle

C.A. Kan¹,

Jenny C. Jonker-Den Rooyen²

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2007

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Cited by 4 publications

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“…Kan and co-workers estimated that excretion of heptachlor epoxide via the eggs was 10 -15 % of the heptachlor daily intake (Kan and Tuinstra, 1976;Kan and Jonker den Rooyen, 1978). The transfer ratios of heptachlor based on presence of heptachlor epoxide in eggs and calculated on a whole egg basis was between 0.5 and 2.9, as reviewed by Kan (1978) and by Noble et al, 1990.…”

mentioning

confidence: 99%

Opinion of the Scientific Panel on contaminants in the food chain [CONTAM] related heptachlor as an undesirable substance in animal feed

2007

EFS2

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mentioning

confidence: 99%

Opinion of the Scientific Panel on contaminants in the food chain [CONTAM] related heptachlor as an undesirable substance in animal feed

2007

EFS2

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Quantifying maternal and dietary sources of 2,2′,4,4′,5,5′‐hexachlorobiphenyl deposited in eggs of the ring dove (Streptopelia risoria)

Drouillard

Norstrom

2001

Enviro Toxic and Chemistry

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The influence of maternal versus dietary sources of polychlorinated biphenyls (PCBs) deposited to eggs of ring doves (Streptopelia risoria) was investigated. Mature birds that lay a clutch of two eggs every 12 to 15 d were fed a diet of pellets spiked with 2,2',4,4',5,5'-hexacholorobiphenyl (unlabelled isotope designated as [12C]PCB153) for 25 d. The birds were subsequently switched to a diet containing isotopically labeled [U-13C12]PCB153 at similar concentrations for an additional 63 d. The toxicokinetics of [12C]PCB153 and [13C]PCB153 were followed in egg and carcass samples with time. Isotopic ratios of PCB153 in yolk lipids were identical to those in carcass lipids after introduction of diet 2, and they did not resemble those of the food at the time of egg formation. The data indicate that the PCB composition of eggs directly reflects the composition of maternal tissues, not the diet, at the time of yolk formation. Egg yolk:carcass lipid concentration ratios for the two isotopes were significantly less than one, averaging 0.33+/-0.02 (mean +/- standard error). Lipid normalized egg:maternal tissue contaminant concentration ratios for persistent organochlorine chemicals in the literature were reviewed for other avian species. The results provide a preliminary data set that suggests egg:maternal tissue contaminant concentration ratios vary among species, particularly among species that invest different quantities of lipids to a clutch of eggs. The results support the hypothesis that dilution of contaminants in egg lipids relative to maternal lipids is related to the reproductive strategy employed by the species.

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Average total dietary intakes of organochlorine compounds from the finnish diet

Moilanen¹,

Pyysalo

Kumpulainen³

1986

Z Lebensm Unters Forch

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As a contribution to the FAO/WHO organochlorine monitoring programme, samples of milk, eggs, beef pork, chops, game, animal livers as well as fish-liver oils were analysed for PCB-, DDT- and toxaphene compounds, hexachlorobenzene (HCB), heptachlor and hexachlorocyclohexanes (HCH). From the annual consumption of the foodstuffs investigated average intakes of organochlorines were estimated and compared with the acceptable daily intakes (ADI) as set by FAO/WHO. Intakes from the sources studied were then compared with those from fish, butter and margarine. Total average dietary intakes were determined to be 14.4 micrograms/day for PCB, 2.9 for DDT, 2,3 for gamma-HCH, 1.7 for HCB, and 0.5 micrograms/day for heptachlor representing 0.08% of the ADI for DDT, 0.3% for HCH, 4.2% for HCB and 1.4% of the ADI for heptachlor.

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Accumulation and depletion of some organochlorine pesticides in broiler breeder hens during the second laying cycle

Cited by 4 publications

References 5 publications

Opinion of the Scientific Panel on contaminants in the food chain [CONTAM] related heptachlor as an undesirable substance in animal feed

Opinion of the Scientific Panel on contaminants in the food chain [CONTAM] related heptachlor as an undesirable substance in animal feed

Quantifying maternal and dietary sources of 2,2′,4,4′,5,5′‐hexachlorobiphenyl deposited in eggs of the ring dove (Streptopelia risoria)

Average total dietary intakes of organochlorine compounds from the finnish diet

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