2 pups reared together do better ..fact
I agree. Pups together have always got someone to play with and learn to gallop. Greyhound rearers rear whole litters together.The competition toughens them up.
I can't think of anything less appealing than attempting to rear and train two lurcher pups whether out of the same litter or not...greyhound men may well rear whole litters together...but what's expected of them??? Not a lot really...just have to run as fast as they can after a mechanical hare...they don'y need recall, they don't teach 'em to sit, stay, lie down...or to jump, or to retri