Limitations of Captive Breeding

Biology 320 Dr. Nissen 08 November 2012 Limitations of Captive Breeding While the use of imprisoned bloodlineing has grown enormously in the more than recent historic hitch there has been a complete lack of attention paid to the limitations located on that be species by the captive breeding programs. Limitations such as establishing self-sufficient captive populations, poor success in reintroductions, high costs, domestications, pre-emption of other recover techniques, disease outbreaks and maintaining administrative continuity have each been significant ( Snyder et al. 996). We will review the self-sufficient captive populations, reintroductions, and domestications, these argon among the most important limitation factors for the review. Establishing self-sufficient captive populations obtaining consistent facsimile and survivorship low captive conditions has proven quite difficult with many species. There be a variety of reasons as to why there has been failure to breed vigorous in captivity, and identifying these factors can be difficult and are salve unknown even after many years of experimentation.Because of poor reproduction the self-sustaining captive populations may never be achieved for some of the endangered species (Snyder et al. 1996). In a recent review of 145 reintroduction programs of captive-bred animals, largely vertebrates, entirely 11% of the cases were successfully reintroduced into the wild populations (Beck et al. 1994). The causes of the reintroduction failure of the captive bred animals vary from a failure to correct the factors originally causing significant behavioral deficiencies in the released animals, to social behavior.The behavioral issues are typically seen in the animals that lack the opportunity to associate with wild individuals in a natural setting during the overcritical learning periods. Many of the problems affecting captive preservation and reintroduction of endangered species are results of genetic and phenotypic changes that occur in captivity as well (Snyder et al. 996) and this directly affects the domestication of the captive-bred animal. The implications of the progressive genetic and phenotypic changes are more serious than recognized for the species in long-term captive breeding. Because of progressive domestication the general expectation that one can preserve endangered species in captivity without significant change over a long period of time should be abandoned (Snyder et al. 1996).