F3 Fish Oil Challenge Calculations - Competitor 1
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Species:SalmonSalmon
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Typical DietImproved Diet
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Species Production Amount (tonnes)59,156.7959,156.79
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Feed Conservsion Ratio1.31.3
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Fishmeal % in Feed3024
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Fish Oil % in Feed128
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Assumptions:
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1. Forage fish used in calculations is Anchoveta (Peruvian anchovy):
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% fishmeal22.522.5
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% fish oil55
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Average Weight (tonnes)0.000019350.00001935
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2. 33% of fishmeal and fish oil in average feed comes from byproduct, thereby reducing need for fishmeal and fish oil from whole forage fish by that amount
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Step 1:Calculate amount of feed needed (tonnes) for production amount
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Species production amount * Feed Conversion Ratio41,032.7541,032.75
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Amount of Fishmeal needed (tonnes) for production amount
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Fishmeal rate of inclusion in Feed * Feed Needed12,309.829,847.86
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Amount of Fish Oil needed (tonnes) for production amount
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Fish Oil rate of inclusion in Feed * Feed Needed4,923.933,282.62
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Step 2:Calculate limiting ingredient using Forage Fish Dependency Ratio (FFDR)
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FM FFDR: = Fishmeal rate of inclusion in Feed / Fishmeal % in Forage Fish
1.331.07
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FO FFDR: = Fish Oil rate of includsion in Feed / Fish Oil % in Forage Fish2.401.60
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Limiting ingredient is one with higher FFDRFish oilFish oil
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Step 3:Calculate the amount of Forage Fish Needed (tonnes)
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FFDR of Limiting Ingredient * Feed Needed * 0.6765,980.6543,987.10
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Step 4:Calculate the # of Forage Fish Needed
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Weight of Forage Fish Needed / Weight of a Single Forage Fish3,409,852,917.832,273,235,278.55
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Extra:Calculate excess weight of non-limiting ingredient (tonnes)
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1. Calculate amount of non-limiting ingredient created by amount of forage fish needed
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Amount of Forage Fish Needed * Fishmeal % in Forage Fish14,845.659,897.10
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2. Subtract amount of non-limiting ingredient needed for production amount by amount of non-limiting ingredient created by amount of forage fish needed2,535.8249.24
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FORAGE FISH SAVINGS
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# of Forage Fish Needed from Typical Diet - # of Forage Fish Needed from Improved Diet
1,136,617,639.28
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