单词	stud book
释义	stud book noun variants or studbook ˈstəd-ˌbu̇k  plural stud books or studbooks : an official record (as in a book) of the pedigree of purebred animals (such as horses or dogs) also : a record of the lineage of a wild animal bred in captivity (as at a zoo) Example Sentences Recent Examples on the Web The breed needs to have a national club, a studbook, and have many dogs dispersed throughout the country. Jennifer Aldrich, Better Homes & Gardens, 20 May 2021 The Maryland Zoo manages the golden frog studbook—a compendium of genealogies, maintained to ensure the best possible genetic pairings. Rachel Nuwer, Smithsonian Magazine, 16 Mar. 2021 Just as zoos manage the genetics of captive lions and tigers, Pearson says each spider is given a code that is entered into a tarantula studbook to determine which future pairings would be beneficial and which would not. Jason Bittel, National Geographic, 16 Sep. 2020 Over the years, a consortium of wolf conservation centers, zoos and the Fish and Wildlife Service have worked to expand the gene pool, using a tool called the studbook. Debra Utacia Krol, azcentral, 30 Dec. 2019 To keep track of captive birds and their origins, Downs teamed up with geneticist Sandi Willows-Munro to create an official Cape parrot studbook. National Geographic, 11 May 2018 Word History First Known Use 1757, in the meaning defined above
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