Show WHY PEDIGREES ARE USEFUL purebred Is result of careful selection lind ind use of animals with strong points an aix animal in some ways wars resembles a river which Is the result of the combining bi ning of many streams the is the result of the combining of tho the blood lines of parents grandparents great grandpa grandparents rents and so on if one ona of the streams Is muddy though the tha rest be clean the whole river become murky and likewise one poor ancestor mill ill weaken the animal that is why pedigrees pedigreed grees are kept they do tor for the animal what keeping the muddy stream from flowing into the river does for the river the purebred Is 13 the result of careful selection and use of the animals with strong points and just as careful an elimination of those that could not add strength or quality |