Lipids

Lipids are organic compounds defined as fatty acids or their derivatives. They are insoluble in water but soluble in organic solvents. They include many natural oils, waxes, and steroids.

In aquaculture, lipids are used in feed to improve fish health and nutrient absorption, which can make production more sustainable and efficient. The right level of lipids in feed is important for fish growth and health. Too little lipid can lead to poor growth, while too much can cause fat deposition, which can harm the fish’s health and the quality of its meat.

The fatty acid composition of lipids in the fish’s tissues reflects the fatty acid composition of the lipids in its diet. For example, house fly oil has a high monounsaturated fatty acid (MUFA) content, while mealworm oil has a high oleic acid content.

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