fish meals from fish byproducts high quality protein and oil approximate composition protein 65-70%...
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Fish Meals from Fish Byproducts
High Quality Protein
and Oil
Approximate CompositionProtein 65-70%Fat 8-12%Ash 9-17%Water 6-10%
Pollock Meal
Pictures by S. Sathivel
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Commercial Fish Meal
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Protein Hydrolysates
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Protein Hydrolysate Processing
Hydrolysate technology can offer smaller processors a cost effective method to handle their seafood processing byproducts.
Possible to produce high quality
oils and protein feed and fertilizer products
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Protein Hydrolysis - Enzymatic Process
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Experimental Hydrolysate Production in Kodiak
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Fish Oil
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Fish Meal and Fish Oil Processing
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Fish Oil Products
•Used as Food or Feed Ingredient
•Sources of Long Chain Omega-3 Fatty Acids
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Fish Oil Compositions From A. Oliveira
0
10
20
30
40
50
60
Omega-3 Omega-6 Oleic Palmitoleic Linoleic EPA DHA
(%) t
otal
fatt
y ac
ids
Pollock Pacfic perch Pink salmon Sockeye salmon Sablefish Menhaden Canola
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Oil from Aquaculture Raised Catfish
Catfish oil can be extracted for viscera and used as food and feed ingredients
Oleic and linoleic acids accounted for ~ 86% of unsaturated fatty acids (different from marine oils)
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Fish Bone
Fish bone is combination of minerals and protein
Mineral supplements and premixes
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Fish Bone Meal Products
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Dried Fish Bone Snacks
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Can We Add Value to Parts, Pieces, and Organs ?
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Components of Alaska Fish Processing Waste (Metric Tons)
Components
HeadsFramesVisceraSkins
Total
2005
384,468 385,260 423,818 107,327
1,309,212
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Aquaculture Catfish Byproducts
Total Byproduct about 55% ~ 150,000 metric tones of raw
catfish byproduct or 30,000 metric tones dry per year
Heads, Frames, Skin, and Viscera
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Fish Frames
UsesProtein MinceFish Meal and OilProtein HydrolysateBone and Bone Meal
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Fish Heads
UsesOil from salmon heads & othersMince Proteins-collagens, CSOrgans – eye and brainProtein meals and hydrolysatesGillsFood – dried and fresh heads
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Fish Skin
UsesGelatin
Food ingredientFeed binding agentEdible films
CollagenFood productLeathersOthers
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Fish Skin Leathers
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Fish Viscera
Uses
•Feed Ingredient•Meals•Oils
•Source of organs•Biochemicals, enzymes etc•Attractants and palatinates•Others
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Protein Meals from Livers, Roe and Testes
Extract specific protein mixtures from processing byproducts with superior physical properties
Feed and food ingredients with unique chemical and functional properties
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Viscera Parts of Interest
Viscera organs include: Gonads – milt and roe Livers Stomachs Gall bladderHeartOthers
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Milt (Male Reproduction)
UsesProtein powder
Human foodsAnimal feeds
Unique proteinsNucleic acidLipids
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Fish Stomach Products (Dried)
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Fish Livers
Uses
OilsVitamins
Protein powdersHuman foodsAnimal feed
ingredientsPâtéProtein mealsOthers
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Cod Liver Products
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Pet Food Products
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Others Fish Byproducts
Stick water and solubles
BloodSwim bladdersGillEye Neural tissuesSnouts
Dried stick water
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Pigments - PhospholipidsVitamins A & DChitin - Shrimp & Crab ShellMinerals – Bone & ShellAmino Acids, Peptides, Proteins & Enzymes
Biochemicals from Byproducts
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Biodegradable Packing MaterialsCosmetics Ingredients (Fish Oil)Decorative Items (Fish Scales)Gelatin Glues & Films
Industrial Uses
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Boiler Fuel from Fish OilsBio-diesel from Fish OilsBio-gas from Processing Wastes
Fuels from Fish Oils
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Fish Oil to Biodiesel
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Standard Fish Fertilizers Fish MealsHydrolysates
Organic Fish FertilizersCompost Bone Chips and Meals
Fertilizers and Soil Conditioners
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Fertilizer Products
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Fish Silage
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Aqua-ponics
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Organic Fish Fertilizers
Wild fish are not certified organic food by National Organic Standards Board
Wild fish fertilizer can be used to produce organic crops
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Product Applications : Ingredients for Aquaculture & Other Uses
Protein Meals & PowdersDried fish meals & protein powders from heads, viscera, frames, roe, milt, and skin
Protein HydrolysatesFrom salmon and pollock By-products
Salmon & Pollock OilsOils from salmon heads and pollock By-products including livers are excellent sources of long chain omega-3 fatty acids
Bone Meals & Mineral Supplements Fish bones have minerals used to fortify animal feeds and other uses
GelatinsFilms made from gelatin extracted from cold-water marine fish skins have unique properties
Others
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Further Readings: Fish Byproduct Symposia
in 2002 and 2009
Bechtel, P. (ed.) 2003. Advances in Seafood Byproducts: 2002 Conference Proceedings. Alaska Sea Grant. 556 pps.
Bechtel, P. & Smiley, S. (eds.) 2010. A Sustainable Future: Fish Processing Byproducts. Alaska Sea Grant. 333 pps.
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Thank You