Phrases with «stud book»

In some cases, an open stud book may eventually become closed once the breed type is deemed to be fully set. (en.wikipedia.org)
A closed stud book allows the breed to stay very pure to its type, but limits its ability to be improved. (en.wikipedia.org)
[16] Such records, called stud books, may be maintained by individuals, clubs, or other organizations. (en.wikipedia.org)
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