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Induced Spawning of Fish - Southern Regional Aquaculture Center - Product 330 - To secure the production of many species, spawning must be induced through manipulation of temperatures, light intensity and hormone injections. This video explains some of the procedures, gives guidance in the use of this technology, and explains some of the problems.The work reported in this publication was supported in part by the Southern Regional Aquaculture Center through Grant No. 2006 38500 16977 from the U.S. Department of Agriculture, Cooperative State Research, Education, and Extension Service (CSREES)