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Energy-saving eggs have important practical significance than fish nutrition. The proper ratio of eggs in the feed is not only beneficial to the use of energy, but also conducive to the use of protein, which can improve the efficiency of feed utilization. Therefore, it is extremely beneficial to study the suitable ratio of eggs in fish feeds for improving the efficiency of feed utilization and improving the aquaculture effect. For example, the optimum energy ratio of grass carp feed is 36.8 to 57.7 at juvenile fish stage, and the optimum energy egg ratio of herring fodder feed is 38.1, and the optimum energy to egg ratio of herringbill head feed is 36.
The fish is more suitable than the egg
Since the first need for fish to ingest nutrients is to meet energy needs, energy is the basis of fish feed quality, as required by fish nutrition. The energy in the feed is the sum of the three major nutrients in the feed—protein, fat, and sugar. As a nutrient component, protein is not only the main energy supply material, but also has extremely important physiological functions. These physiological functions cannot be replaced by fats and sugars, and the demand for protein from fish is particularly high, so the protein is The first nutrients to consider in feed. Therefore, the fish nutrition experts raised the issue of the relationship between energy and protein, how much energy should be contained in the feed, how much protein is reasonable, and the ratio of energy to protein (abbreviated as the ratio of eggs) is an indicator to measure it. It refers to The ratio of total energy (kilojoules) to crude protein (grams) per kilogram of feed.