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Hmmmm....
I'm a beginner, but as well I know, the best way to restrict the size is a well-designed line-breeding.
Homogene extraneous breeding ( no relatives on pedigrees) always results bigger, or growing size.
Line-breeding has it's own problems (very hard selection is needed, it also can fix very bad characterisics, so You have to use only the best dogs, and so on..) but the best way to keep the standard size....more, to reduce size.
So, that is one reason, why it's needed to cross with outcross dogs (of course with very similar characteristics, so make a homogene extraneous mating), the size. Because without any outcross it will be smaller and smaller. Other reason is the heterogenity of genes, because line-breeding causes exaggerated homogenity, which is not good at all, considerng the whole breed.
So, this is my opinion. :b
And I think too, that there should be a limit, and I think that the standard gives the limit. In cm-s: males 49-51, bitches 44-47 cm.
I think that 1-2 cm + or - is tolerable, when the dog is excellent.
I'm a beginner, but as well I know, the best way to restrict the size is a well-designed line-breeding.
Homogene extraneous breeding ( no relatives on pedigrees) always results bigger, or growing size.
Line-breeding has it's own problems (very hard selection is needed, it also can fix very bad characterisics, so You have to use only the best dogs, and so on..) but the best way to keep the standard size....more, to reduce size.
So, that is one reason, why it's needed to cross with outcross dogs (of course with very similar characteristics, so make a homogene extraneous mating), the size. Because without any outcross it will be smaller and smaller. Other reason is the heterogenity of genes, because line-breeding causes exaggerated homogenity, which is not good at all, considerng the whole breed.
So, this is my opinion. :b
And I think too, that there should be a limit, and I think that the standard gives the limit. In cm-s: males 49-51, bitches 44-47 cm.
I think that 1-2 cm + or - is tolerable, when the dog is excellent.