sentences:  they do not have appropriate quarantine facilities, have no appropriate enclosures, fear the risk of disease when accepting an animal of unknown origin, don’t see any purpose in incorporating an animal of unknown origin into their breeding program or see no way how such an animal could be integrated socially into their group of conspecifics.In keeping with the requirements of animal welfare standards, the adaptive capacity of wild animals in zoos must not be compromised, nor their functional capabilities allowed to atrophy.Furthermore, animals in zoos must be kept in a manner that accommodates their natural behaviour.