http://news.bbc.co.uk/go/rss/-/1/hi/default.stm

Well, my Aunt bred labradors for over 40 years and I never heard her say "race".

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Note added at 7 mins (2010-06-02 10:30:24 GMT)
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Welsh Corgi - Welsh Corgi Purebred Dog Breed Information
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Early on they were classified as the same dog breed as the Pembroke Welsh Corgi but later received a separate dog breed classification in 1934. ...
www.pedigreedpups.com/Welsh-Corgi.html - En caché - Similares
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Dog Breed Identification | eHow.com
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References. Dog Names and Breeds · Dog Breed Classification. Resources. American Kennel Club · Canadian Kennel Club. Who Can HelpSponsored ...
www.ehow.com › ... › Dog Breeds - En caché - Similares
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Practical Guide to Canine Behavior
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... these circumstances must be considered before taking the final step. Dog Behaviorist Choosing a Male or Female Dog Breed classification Dog psychology ...
www.seefido.com/dog-behavior - En caché - Similares

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Note added at 9 mins (2010-06-02 10:31:49 GMT)
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Wapedia - Wiki: Dog breed
Breed is usually applied to domestic animals; species and subspecies, to wild animals and to plants; and race, to humans. Colloquial use of the term dog ...
wapedia.mobi/en/Dog_breed - Cached

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Note added at 1 hr (2010-06-02 12:18:51 GMT)
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BTW

My translation is based on your query i.e.

Clasificación de razas de perros

If you wanted a translation of your sentence in the context, you should have posted that as your query, FWIW:)