Dodecahexaenoic acid a HUFA or highly unsaturated fatty acid
H3C - CH = CH = CH = CH2 - CM = CH -CH = CH - CH = CH - COOH
foods, and even increase the nutritive value of live baby brine shrimp, by adding a cheap source of carotenoids: ordinary kitchen paprika.
The highly unsaturated fatty acids, or HUFAs, are long-chain versions of fatty acids. Simple fatty acids might contain just 2 to 8 carbon atoms in a line, but the long-chain acids might have 18 to 24 carbons. Fatty acids can be saturated or unsaturated, and this refers to whether each carbon atom is singly or doubly bonded to its neighbor, as in C-C or C=C. If it has double bonds, it is called unsaturated. If it. has a lot of carbons (a long-chain fatty acid) and a lot of double bonds, it is a HUFA. Certain HUFAs are important elements of brain and other nerve tissues and cannot be synthesized from precursors. They must be included in the diet. You can put HUFAs in foods by adding inexpensive cod liver oil.
Other important nutrients are the complex B-vitamins found in dried or living yeast. Microworm cultures are rich in live baker's yeast (and an excellent food for baby fish), but all yeasts are good B-complex supplements for prepared foods.
The addition of yeast, paprika, and cod liver oil in minute quantities to prepared foods, and even to live baby brine shrimp cultures an hour before they are to be harvested for food, will vastly increase the nutritive value of these foods and the survival and growth rates of your baby fish. They also will enhance the growth of older fish.
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