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单词 in-breeding
释义 in-breeding, vbl. n.|ˈɪnˌbriːdɪŋ|
[f. in adv. + breeding vbl. n.]
Breeding from animals of the same parentage or closely related; breeding in-and-in.
c1842E. J. Lance Cottage Farmer, An in-breeding soon breaks up the inattentive keeper of domestic animals.1881J. P. Sheldon Dairy Farming 4/2 In-breeding,..that is, the breeding for a time amongst near relations—generally results mischievously on the systems and on the fertility of the stock.1882Standard 23 Aug. 2/1 Over-preserving and ‘in-breeding’ are deteriorating the herds.
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