Changes in the levels of different ions in the eggshell gland lumen following p,p'-DDE-induced eggshell thinning in ducks.

@article{Lundholm1994ChangesIT,
  title={Changes in the levels of different ions in the eggshell gland lumen following p,p'-DDE-induced eggshell thinning in ducks.},
  author={Carina Lundholm},
  journal={Comparative biochemistry and physiology. Part C, Pharmacology, toxicology & endocrinology},
  year={1994},
  volume={109 1},
  pages={
          57-62
        }
}
Eggshell thinning in ducks was induced by administration of p,p'-DDE in the diet (40 mg/kg food) for 45 days. This treatment resulted in a 19% reduction of the Eggshell Index (EI). Shells from calcifying eggs obtained at the time of slaughter showed a 36% reduction of EI. Prostaglandin synthesis by a homogenate of eggshell gland mucosa from p,p'-DDE-treated ducks was reduced by 24%. HCO3(-)-stimulated ATPase activity by a homogenate of eggshell gland mucosa from p,p'-DDE-treated ducks was not… CONTINUE READING
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