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Reintroduction/augmentation Plans and other planning documents required by the Recovery Program should be prepared well in advance of projected field or laboratory studies. This is especially important if large or mature fishes are needed for the studies. For example, approximately five years are needed to produce mature bonytail chubs, humpback chubs,and bull trout, seven years to produce adult razorback suckers and Colorado squawfish, and pallid sturgeon may require in excess of eight years. B. Procedures for Disposition of Captive-Reared Fish. Production targets are based on the numbers of fish that were identified for specific program needs. Under normal operating procedures, unfit fish (e.g., hybrids, genetically deformed, those with untreatable contagious diseases. etc.) will be euthanized following accepted protocol of the fisheries profession. Fish that are no longer needed for specific purposes will be identified for disposal. Disposition of such fish will be done by priority: 1. Captive-reared fish will be used to meet approved program needs for refugia, broodstock development, laboratory/field experiments. arid reintroduction/augmentation plans. 2. Provide fish for other research studies. 3. Provide fish for information and education programs. 4. Provide fish to other agencies for use in research. 5. Maintain fish for possible future use if space is available and the cost is not prohibitive. 6. Provide specimens for reference fish collections in museums, colleges, or universities. 7. Fish not identified in Items 1 through 6 will be euthanized following the accepted protocol of the fisheries profession. C. Euthanasia Protocol. Euthanasia of excess fish will follow recommendations in the "Guidelines for Use of Fishes in Field Research". These guidelines were developed jointly by the American Fisheries Society, American Society of Ichthyologists and Herpetologists, and the American Institute of Fisheries Research Biologists. 27