The main feeding methods of fresh trash fish are:

1. Fresh trash fish is fed whole or chopped into small pieces.

2. Mince the miscellaneous fish and shrimp into minced meat, squeeze them into strips, and freeze them for feeding.

3. Mix and stir fresh or frozen trash fish with fish meal, binders and additives (similar to concentrate) to make soft pellets for feeding.

Pet Xiaobian said that the pellet feed used in marine fish mostly adopts the puffing process. With the introduction of more advanced puffing equipment, the application scale of this kind of feed will also increase. gradually increase. Existing test and production results show that the growth effect of extruded pellet feed is worse than that of fresh fish bait, which is related to the unreasonable composition of feed formula and processing technology.

Due to the unsatisfactory breeding effect of the extruded pellet feed, the high price, and the unreasonable appearance and performance of the domestic processing technology, it is difficult for breeding users to accept it. On the other hand, the bait coefficient of using fresh fish bait is as high as 8-10. With the increase of fresh fish price and the instability of output, the disadvantages of high cost are becoming more and more obvious.

In addition, due to the different quality of frozen or fresh fish, the fat content is often high, some vitamins are deficient, and with the extension of storage time, fat oxidation and deterioration will inevitably occur even in cold storage, and Destruction of other nutrients.

Therefore, the fish fed with fresh fish bait often suffer from common diseases such as fatty liver and vitamin deficiency. In addition, in the sea area with high aquaculture density, the deterioration of the remaining trash fish bait will destroy the water quality of the aquaculture sea area and cause large-scale bacterial or viral diseases.