is beagador mix dog breed is better than from Labrador mix dog breed?

They are both labrador mixes.

 no a mongrel is a mongrel end of

A mutt is a mutt is a mutt is a mutt.

A beagador is just a made up thing by the BYBers, they create mutts.

"Is beagador mix ... is better?"  Can you try again in English?

They are both mixes.  Mixed dog is NOT a breed.

There is no "better," there is no "worse" when it comes to mixes.

A mixed breed is NOT a breed.   It doesnr matter what its mixed with.   Mutts dont have consistent traits or temperaments.    Even two from the same litter can end up NOTHING alike...   So there isnt really any way to compare one type of mix to another

A Beagador is simply a specific MIX of a Lab with Beagle, so is a Labradoodle a Lab MIX, of Lab and Poodle etc.  Considering that ONLY BYB and puppy mills intentionally produce such mixes (on purpose) I do not know that any mix is better than another.  When you mix up two RADICALLY different breeds, you can get almost anything but "quality" would be suspect.

Cross breed dogs are always unpredictable. They each need to be assessed individually.

No particular crossbreed is better than another. A 'beagador' is already a cross so there is no way of knowing what the parent b is like.