You cannot create a "Hybrid" by breeding a domestic dog of one breed to a domestic dog of another breed, they are the same species, you only create a crossbred mutt.
Sweet many of them may be but they are not "Hybrid" & they are not "New Breeds"
It takes many generations of solid breeding to actually create a new breed.

Here is an interesting article on "Hybrid / Hybrid Vigor"

http://home.comcast.net/~NoPuppyMillsVA/Poo-dogs___Designer_Mutts/Hybrid_Vigor/hybrid_vigor.html

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