DDT thins shells of eggs from mallard ducks maintained onad libitum or controlled-feeding regimens

  • K. L. Davison
  • J. L. Sell


Mallard ducks were fed diets containing various levels of technical DDT or chemically purep,p'-DDT, or dieldrin. Either technical DDT orp,p'-DDT at 20 ppm or greater, or dieldrin at 10 ppm caused a statistically significant reduction in eggshell thickness, weight, and calcium. Shells of eggs from ducks fed 40 ppm ofp,p'-DDT were about 20% thinner than those from control ducks, and shells of eggs from ducks fed 10 ppm of dieldrin were about 6% thinner than those from controls. The reduction in eggshell thickness was linear with increasing dose of DDT to 40 ppm, and with increasing dose of dieldrin through all levels studies. Eggshell thinning occurred regardless of whether the diets containing DDT were fed underad libitum or controlled conditions. DDT fed at 200 ppm was lethal to the ducks. Neither DDT nor dieldrin affected weight of the eggs or rate of egg production.


Calcium Dieldrin Level Study Mallard Duck Control Duck 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


  1. Cecil, H. C., G. F. Fries, J. Bitman, S. J. Harris, R. J. Lillie, and C. A. Denton: Dietaryp,p'-DDT,o,p'-DDT orp,p'-DDE and changes in eggshell characteristics and pesticide accumulation in egg content and body fat of caged White Leghorns. Poul. Sci.51, 130 (1972).Google Scholar
  2. Davison, K. L., and J. L. Sell: Dieldrin andp,p′-DDT effects on egg production and egg-shell thickness of chickens. Bull. Environ. Contamin. Toxicol.7, 9 (1972).CrossRefGoogle Scholar
  3. Davison, K. L., J. L. Sell, and R. J. Rose: Dieldrin poisoning of chickens during severe dietary restriction. Bull. Environ. Contamin. Toxicol.5, 493 (1970).CrossRefGoogle Scholar
  4. Duncan, D. B.: Multiple range and multiple F tests. Biometrics11, 1 (1955).Google Scholar
  5. Heath, R. G.: Nationwide residues of organochlorine pesticides in wings of mallards and black ducks. Pest. Monitoring J.3, 115 (1969a).Google Scholar
  6. Heath, R. G., J. W. Spann, and J. K. Kreitzer: Marked DDE impairment of mallard reproduction in controlled studies. Nature224, 47 (1969b).PubMedGoogle Scholar
  7. Hurwitz, S.: Personal communication (1969).Google Scholar
  8. Hurwitz, S., and P. Griminger: Observations on calcium balance of laying hens. J. Agr. Sci.54, 373 (1960).Google Scholar
  9. Lehner, P. N., and A. Egbert: Dieldrin and eggshell thickness in ducks. Nature224, 1218 (1969).PubMedGoogle Scholar
  10. Longcore, J. R., F. B. Samson, and T. W. Whittendale, Jr.: DDE thins eggshells and lowers reproductive success of captive black ducks. Bull. Environ. Contamin. Toxicol.6, 485 (1971).CrossRefGoogle Scholar
  11. Muller, H. D., and D. C. Lockman: Fecundity and progeny growth following subacute insecticide ingestion by the mallard. Poul. Sci.51, 239 (1972).Google Scholar
  12. Sauter, E. A., and E. E. Steele: The effect of low level pesticide feeding on the fertility and hatchability of chicken eggs. Poul. Sci.51, 71 (1972).Google Scholar
  13. Smith, S. I., C. W. Weber, and B. L. Reid: Dietary pesticides and contamination of yolks and abdominal fat of laying hens. Poul Sci.49, 233 (1970).Google Scholar
  14. Tucker, R. K., and H. A. Haegele: Eggshell thinning as influenced by method of DDT exposure. Bull. Environ. Contamin. Toxicol.5, 191 (1970).CrossRefGoogle Scholar

Copyright information

© Springer-Verlag 1974

Authors and Affiliations

  • K. L. Davison
    • 1
    • 2
  • J. L. Sell
    • 1
    • 2
  1. 1.United States Department of Agriculture Agricultural Research ServiceMetabolism and Radiation Research LaboratoryFargo
  2. 2.Animal Science DepartmentNorth Dakota State UniversityFargo

Personalised recommendations