The new DNA test means there is no reason why another English Shepherd Dog ever needs to be born with progressive retinal atrophy, which causes total blindness. Progressive retinal atrophy (PRA) is a ...

The new DNA test means there is no reason why another English Shepherd Dog ever needs to be born with progressive retinal atrophy, which causes total blindness.

New gene test helps prevent inherited blindness in English Shepherds Also In This Package World’s oldest person dies in Spain at 117: Family ‘This trophy means a lot, it’s a big achievement’ Bollywood ...

The English Shepherd is a breed of herding dog popular in the United States and is closely related to the Border Collie. The new discovery is the thirty-third genetic mutation causing an inherited ...