
If a male GSD has haemophillia any knocks, internal injuries or conditions that produce internal bleeding(such as ulcers etc) or cuts can prove fatal & they must never ever be bred from as all the bitches they produce will be carriers & if the bitch is a carrier as well they could they could produce bitches that also have the condition(very very rare)
As the gene that produces Haemophillia is on the X chromosome & is on the part of the chromosome that the Y chromosome does not match all males that have the gene have haemophillia
No one should buy a puppy that is by a dog with haemophillia or from a litter by an untested dog