No mate ,i would dig a hole and start again .
Its the same with all genes 2 litter brothers one works good he has the genes, if the other doesnt work good he doesnt carry the genes same with bitches if not passed directly they wont filter through
a dog/bitch could be a jacker/cur but can reproduce the best game dogs ever..they either have a great reproducing gene or not..how many times have great digging dogs throw pure dirt in their offspring.. some of the best blood lines in the apbt world have been based on curs i.e bullyson
Satin Lady has threw Alligator, and she was cold.