We visited the fish hatchery while on vacation and learned a lot about the growth cycle of the rainbow trout. They are shipped to the hatchery as fertilized eggs. The first photo shows them at about the size of minnows. Then when they grow to fingerling size, they are moved to the outdoor tanks called "racetracks". Visitors are able to purchase fish food and feed the trout which are in various stages of growth before being transported to streams throughout the state for stocking.
I now know where the term "feeding frenzy" came from!
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