Read the text and determine if the sentence is true:

The Hanover Hound is a breed of dog sometimes referred to as a Hanoverian Hound. It is a hunting and tracking dog descended from bloodhounds of medieval times. It was first introduced into France in the 1980s and is still a very rare breed. It was cross-bred with the Bavarian Hound which gave rise to the Bavarian Mountain Hound.

Sentence: The Hanover Hound is a foundational pedigree cross-bred to create new species of hounds and will remain a very rare breed. 
It's impossible to say