Sentences with phrase «affects pups very»
In these breeds the disease results from abnormal or arrested development of the photoreceptors — the visual cells in their retina, and affects pups very early in life.
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If the breeder is very careful, affected pups can be used wisely to prevent loss of quality, but still remove the affected genes by only breeding the affected pups to known non-carrier relatives.
Called «genetically clear», «noncarriers» or, more formally, «homozygous normals,» such dogs pass the normal gene on to all their pups with a very high probability - which means that their pups have a very low risk of being affected with prcd.