date:Jan 16, 2013
Japanese scientists have managed to breed a type of salmon usingsurrogate parents of a different species, in a breakthrough thatcould help preserve endangered creatures, the chief researchersaid Jan. 15.
Researchers froze the testes of the yamame salmon, a fishindigenous to Japan that lives its entire life in rivers, beforeextracting primordial germ cells and implanting them intootherwise sterile rainbow trout hatchlings.
These primordial cells, called spermatogonia, were used by thefish's gro