springer breeding

[phesant shooter 1]

hi lads jus wondering do people ever line breed springers.wat would happen by giving a daughter bk to he father.i know this works with terriers but does it with springers

[Francentey-FTB 29]

same principle bud, how they bred, do you know the lines inside out, dont think the kc will reg litters which are that close bred now though, if non kc and its a good mating i'd give it a go