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First, the storage time should not be too long The pellet feed contains 12% -14% of water in the production process, long storage time, easy deliquescence, mildew, affect the value of the use of pellet feed, after feeding, the fish susceptible to disease. It is best to produce while feeding. Second, increase the number of feeding fish without stomach, feed in the intestinal resident time is short, the utilization rate is not high. Therefore, under the condition that the total amount of bait is not changed, the number of feedings should be increased and the amount of each feeding should be reduced, so that the fish can always be in a state of semi-starvation, which can increase the utilization of food and reduce the feed coefficient. Third, there must be a certain amount of feeding area and time in a variety of varieties of polyculture pool, carp, grass carp snatch fast, eating a large amount, and carp eat "Sven", the corresponding food intake is small, often affect its growth. Therefore, the use of pellet feed must be carried out for a short period of domestication, so that the fish form a fixed food market, a fixed time of feeding habits, each feeding should be uniformly distributed, feeding time is not less than 30 minutes, feeding area of ​​40 square meters - 60 square meters, so that each fish can feed food. Fourth, the particle size to be reasonable when the fish stocking, the water temperature is low, slow growth, small size, particle feed size control in 2 mm is more appropriate, with the temperature rise and the growth of fish species, mid-aquaculture feed particle size of 3 mm - 3.5 mm, the rear grain size is 4 mm - 4.5 mm. 5. Add salt to prevent fish diseases When preparing feeds for grains, mix 1% salt in the raw materials to disinfect and prevent fish diseases. Sixth, it is necessary to rationally fertilize the pellet feed and disperse it in the water. The fish has high utilization rate and can increase the growth rate of eating fish. However, because the quality of the water in the pool is relatively light, the feeding effect of the fertilized fish is not very good. Therefore, the fish pond fed with the pellet feed must be reasonably fertilized, promote the growth and reproduction of plankton, and increase the aquaculture production of the fertilized fish.