Preservation breeding
Preservation breeding is an attempt by many plant and animal breeders to preserve bloodlines of species, either of a rare breed, or of rare pedigrees within a breed. == Purpose == Preservation breeding can have several purposes: Protection of genetic diversity within a species or a breed; Preservation of valuable genetic traits that may not be popular or in fashion in the present, but may be of great value in the future; Population or re-population of an area where a species previously existed; Support of a wild population that is defective or infected, by breeding healthy individuals and releasing them into the population in order to strengthen the overall health of the population.