Starvation Effects on DDT Residues in Chick Tissues

Donaldson, W. E.; Sheets, T. J.; Jackson, M. D.

doi:10.3382/ps.0470237

Cited by 33 publications

(8 citation statements)

References 3 publications

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“…This is in agreement with the work of Donaldson et al (1968) who reported that the concentration of residues per gram of fat in chicks increased during restricted feeding. increased in the hens that were on the starvation treatment due to the recycling of DDT which was then stored in the remaining depot fat.…”

Section: Resultssupporting

confidence: 93%

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Effect of Force Molting and Induced Hyperthyroidism on the Depletion of DDT Residues from the Laying Hen

Lillard

Noles

1973

Poultry Science

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stock. 4. Its effect on the fatty acid composition of broiler carcass lipids. Poultry Sci. 49: 1631-1638. Marion, J. E., and J. G. Woodroof, 1963. The fatty acid composition of breast, thigh, and skin tissues of broilers a influenced by dietary fats. ABSTRACTExperiments were conducted to determine the relationship between dosage levels of DDT and retention of residues in the egg and depot fat of hens, to determine if force molt by feed restriction would increase the rate of elimination of DDT from egg and tissue, and to determine if hyperthyroidism induced by feeding thyroxine would increase the rate of elimination of DDT from the egg or tissue of the hen.Hens which consumed 20, 30 and 40 p.p.m. DDT of daily feed uptake for five days stored the DDT in their depot fat. Concentrations of residues in eggs were approximately 25 to 30 percent of residue concentrations found in the depot fat. Depletion of DDT residues from the eggs and depot fat of hens follows the kinetics of a first order reaction. Also, the depletion rate constant does not depend upon the concentration of residues present in the fat.The half-lives of DDT residues in depot fat and eggs were 7.3 and 7.6 weeks respectively. When hens were force molted by starvation, half-lives of DDT residues for depot fat and eggs decreased to 5.9 and 5.0. Feeding of 0.45 mg./day of thyroxine for 71 days significantly decreased the half-live of residues in depot fat to about 2.5 weeks and in eggs to 3.8 weeks. Force molting in combination with the thyroxine feeding did not improve the half-live of DDT residues over feeding thyroxine alone.

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Section: Resultssupporting

confidence: 93%

“…Poultry Sci. Scientists have investigated methods for rapid depletion of residues from hens (Donaldson et al, 1968;and Smith et al, 1970). Norris, F. A., 1964.…”

Section: Introductionmentioning

confidence: 99%

Effect of Force Molting and Induced Hyperthyroidism on the Depletion of DDT Residues from the Laying Hen

Lillard

Noles

1973

Poultry Science

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“…These observations are in accordance with a previous study on chickens, where 2−4 days of complete food deprivation increased blood DDT content by +340% compared to a fullfed treatment. 37 Such increases in serum PCB concentrations may originate, at least partly, from two distinct mechanisms related to short-term regulations of lipid dynamics:…”

Section: Journal Of Agricultural and Food Chemistrymentioning

confidence: 99%

Non-dioxin-like Polychlorinated Biphenyls (PCBs) and Chlordecone Release from Adipose Tissue to Blood in Response to Body Fat Mobilization in Ewe (Ovis aries)

Lerch

Guidou

Thomé

et al. 2016

J. Agric. Food Chem.

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Understanding how persistent organic pollutants (POPs) are released from adipose tissue (AT) to blood is a critical step in proposing rearing strategies hastening the removal of POPs from contaminated livestock. The current study aimed to determine in nonlactating ewes whether polychlorinated biphenyls (PCBs) and chlordecone are released from AT to blood along with lipids during body fat mobilization achieved through β-agonist challenges or undernutrition. β-Agonist challenges did not affect serum POP concentrations, whereas serum PCBs 138, 153, and 180 were readily increased in response to undernutrition. After 21 days of depuration in undernutrition, AT PCB 153 and 180 concentrations were increased concomitantly with a decrease in adipocyte volume, whereas AT chlordecone concentration was not different from that observed at the end of the well-fed contamination period. Thus, undernutrition may be of practical relevance for accelerating POP depuration unless it is combined with a strategy increasing their excretion pool.

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“…These data indicate that chickens exposed to high levels of DDT and faced with starvation and other possible environmental changes are less able to mount a normal antibody response. While Donaldson et al (1968) reported mortality of DDT-fed birds after four days of starvation none of our DDT or Mirex-treated birds died during the 4-7 day starvation periods. Also, DDT and Mirex treatment did not produce physiological stress as evidenced by a lack of change in the absolute number of heterophils.…”

Section: Discussionmentioning

confidence: 50%