What Kind Of Aquatic Fish Feed Raw Materials Should I Use?

What's the raw materials needed for aquatic fish feed?A significant majority of protein should come from named aquatic animals (fish, salmon, herring, krill, brine shrimp, plankton, squid) and plants (Spirulina, Kelp, Spinach, Algae, Vegetable Extract) and not from protein add-ons and fillers such as soy, wheat, and corn products, which should (ideally) be limited to no more than 20% of the food.

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Hi, I need price of 70B fish feed extruder which can produce fish feed,crab, catfish, shrimps feed, also can produce the animal feed like chicken, cattle, rabbit, pig feed etc. by changing the mould and formula.