Dogs have been bred by men on their different personalities basis to achieve specific functions, which have evolved with times: hunting, sheeping, rescue or guide dogs have adapted their natural instincts and abilities to their owner's ...See moreDogs have been bred by men on their different personalities basis to achieve specific functions, which have evolved with times: hunting, sheeping, rescue or guide dogs have adapted their natural instincts and abilities to their owner's needs. They excel in detecting things unnoticed to humans, as medical conditions, because of their better developed senses of hearing, smell and vision, combined with their emotional connection. Various working dogs and experiments are shown. Written by
BSK
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