date:Jun 07, 2012
sprayed on the land as fertiliser.
These estrogens are present at levels that can affect the (reproductive functions of) aquatic animals, Mr Zheng said. Even low levels of estrogens can feminise animals that spend their lives in the water, causing male fish, for example, to have low sperm counts or to develop female characteristics (such as producing eggs), undermining their ability to reproduce.
Hormones that end up in surface or groundwater could contaminate sources of drinking water for hu