AFNR-ASB-7 Evaluate trends in the aquaculture industry and the scientific principles involved in the production of aquatic animals. 7.1 Explore the scope of the aquaculture industry. 7.2 Classify the characteristics of ectothermic animals. 7.3 Evaluate the feed-conversion efficiency of fish. 7.4 Research types of aquatic animal production in the United States. 7.5 Investigate the physical characteristics of water and its relationship to fish production. 7.6 Estimate fish populations in production operations by scientific sampling. 7.7 Measure and adjusts water pH as it relates to fish growth and development. 7.8 Describe how fish attain oxygen. 7.9 Explain how oxygen is dissolved into and depleted from water. 7.10 Test pond and river and other water for dissolved oxygen levels. 7.11 Provide for the addition of oxygen to water by mechanical agitation. 7.12 Describe the methods and facilities used in the production of various aquatic animals. 7.13 Interpret the behavioral characteristics of bullfrogs and alligators that make them difficult to produce in confinement.