Selectively Breeding Dogs

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    The process of selectively breeding dogs has developed over the last 1,000 years as a way to “engineer” dogs for different types of work and play. But where it once may have served a purpose, it became more about aesthetics over time.

    As a result, many dog breeds are nearly unrecognizable from a century ago. Worse still, many of the changes bred into these dogs have caused major health complications.

    Have a look at some historical breed images placed side-by-side with the modern versions of the these breeds. The comparison will surprise you.

    St. Bernard

     Bull Terrier

    German Shepherd

    Bassett Hound


     English Bulldogs


    White Terrier

     Old English Sheepdog

     Chow Chow

    French Bulldog




    Chinese Shar Pei

    Neapolitan Mastiff

    Pit Bull

    Boston Terrier



    Bearded Collie

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