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FISH NUTRITION

This article explores the occurrence of sunburn-related steatitis and skin lesions in fish, particularly fry, and highlights the need for improved fish nutrition and feeds. It discusses the chronic nature of the issue, advanced anemia, and necrosis in kidneys, along with high mortality rates. The importance of collaboration with feed producers, conducting trials, and seeking expert advice is emphasized. The Western Fish Disease Workshop 2012 is also mentioned as a platform for further discussion on fish nutrition and feeding.

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FISH NUTRITION

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  1. FISH NUTRITION SUN BURN, STEATITIS, AQUAFLOR RELATED SKIN LESIONS

  2. WHAT IS GOING ON? • WESTERN FISH DISEASE WORKSHOP (2005) CONTINUING EDUCATION…”FISH NUTRITION AND FEEDS”….DRY FEEDS ARE COMING • 2006 BIO-OREGON FEED FED UNTIL AUGUST • 2007 SUNBURN/STEATITIS OBSERVED IN FRY AT SAWTOOTH • 2008-PRESENT SUNBURN/STEATITIS AT CLEARWATER AND SAWTOOTH (LOOKINGGLASS, 2009)

  3. AQUAFLOR RELATED SKIN LESIONS • 2006 AMERICAN FALLS (SILVER CUP) • HAGERMAN STATE HATCHERY (RANGENS) • HAGERMAN NATIONAL FISH HATCHERY

  4. WHAT ELSE • CAN CLEAR UP WITH LITTLE MORTALITY • CAN BECOME A CHRONIC ISSUE • ADVANCED ANEMIA • NECROSIS IN KIDNEYS • HIGH MORTALITY (OVER 300/DAY/RWY DROP OUT) • DIFFERENT MANIFESTATION OF SIGNS BY HATCHERY, SPECIES, STOCK

  5. WHAT CAN WE DO • NOT A LOT OF COMPETITION • MEET WITH FEED PRODUCERS • RUN TRIALS • ASK EXPERTS • WESTERN FISH DISEASE WORKSHOP 2012 • IDFG HOSTS IN BOISE…ANOTHER WORKSHOP ON FISH NUTRITION/FEEDS AND FEEDING?

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