1.   Consequently, Muir believes, biotech fish could quickly Decimate a fish population by their increased ability to produce damaged young.

2.   Meanwhile a pair of kestrels has produced four young in a disused ventilation pipe in a raw materials store.

3.   As the days grow shorter, the female offspring of Culex pipiens stop producing new young.

4.   But his birds survived and produced two young, which by late July fledged in a matter of days.

5.   But they are not nesting, which involves producing young.

6.   Five years after the spill the birds were still not producing any young in the polluted areas.

7.   If she has mated with one of the sterile males, her eggs will never produce young.

8.   Karesh said that the deaths of adult females were devastating for the orangutan population because they produced young at a slow rate.

9.   Wildlife officials hope to have similar results with the whooping cranes, which would produce young in their summer grounds and then teach their babies the migration route.

10.   The four adult pond turtles have already produced young.