good luck mate, you dont see many of them about 3/4 whippet 1/4 collie that is,
had a bitch years ago bred the same way stood 21 1/2" took everything put in front
of her, brains to spare never had a day off through injury and was worked very hard
would i have another you bet i would, i'd even go 7/8 ths whippet/collie
albert