e/Preservation breeding

Information
has gloss	eng: Preservation breeding is an attempt by many animal breeders to preserve bloodlines of animals, either of a rare breed, or of rare pedigrees within a breed. One purpose of preservation breeding is to protect genetic diversity within a species, another is to preserve valuable genetic traits that may not be popular or in fashion in the present, but may be of great value in the future.
lexicalization	eng: Preservation breeding
instance of	c/Ecological experiments