Since the elimination of DDT and PCB discharge in 1977 there has been an overall trend towards reduced body burden of summed PCBs and DDTs, and other causes of reproductive failure have emerged [ 7 – 10 ].
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In utero domoic acid toxicity: a fetal basis to adult disease in the California sea lion (Zalophus californianus).
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This source of secondary exposure to prenates likely has a highly significant effect, as reduced domoic acid clearance is a major factor to the higher toxicity observed in immature rats [ 42 ].