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  1. Chris Halpin

Could dramatic dog fertility rate fall help human research?

The cause of falling rates in male fertility continue to be controversial among scientists, but now experts here think man's best friend could uncover part of the answer.

Scientists from the University of Nottingham looking at fertility rates in dogs have traced certain chemicals in their tissue samples and food.

While it's stressed there is as yet no link between the two, experts hope it could point them in the right direction. Chris Halpin reports.

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