DDE in concentrations of 10 and 40 p.p.m. in the feed of penned mallards induced significant eggshell thinning and cracking and a marked increase in embryo mortality. DDD and DDT impaired reproduction, but less severely than DDE, a widespread breakdown product of DDT. © 1969 Nature Publishing Group.
CITATION STYLE
Heath, R. G., Spann, J. W., & Kreitzer, J. F. (1969). Marked DDE impairment of mallard reproduction in controlled studies. Nature, 224(5214), 47–48. https://doi.org/10.1038/224047a0
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