The Way of Comprehensive Utilization of Freshwater Fish Processing

In recent years, China's fishery production has developed rapidly, especially in the development of freshwater fish farming. In 1994, the total output of aquatic products nationwide was 21.41 million tons, of which freshwater production was 9.05 million tons. The total output of aquatic products in Jiangsu Province is 1,805,400 tons, freshwater fish production is 1,280,000 tons, and freshwater aquaculture production is 1,070,000 tons. At present, the freshwater color is mainly based on fresh sales. Some freshwater fish in key color-producing regions have been experiencing slow sales. If they do not accelerate the development of comprehensive utilization of freshwater fish, it will affect the continued development of the aquaculture industry. Freshwater fish is of good quality and rich in nutrients. Its production quantity is relatively stable and its seasonality is easy to grasp. However, there are many deficiencies such as spurs, perishables or broken bladders. The activity of cathepsin in general freshwater fish is about 25 degrees Celsius when it is the strongest. Because the optimum temperature of the protease in freshwater fish is close to room temperature, its autolysis rate is faster than that of marine fish, and it is prone to spoilage. The freshwater fish myofibrillar protein is easily degenerated in the freezing process, especially the antifreeze performance of the carp is poor, and the problem of protein degeneration and dehydration is obvious. The processing method must be improved to improve the quality of the processed product. The freshwater fish processing methods are summarized below. 1 Fresh Storage The sale price of live-colored shrimps on the market today can be increased by 50% to several times over that of similar frozen products or chilled products. Therefore, adopting practical and feasible livelihood measures to expand the fresh listing of freshwater fish, especially famous, special, and superior aquatic products, is one of the effective ways to meet market needs and significantly increase economic efficiency. 2 In addition to the fresh supply of frozen processed freshwater fish, it can also be processed into convenient and affordable semi-finished products such as frozen fish fillets, frozen fish fillets, frozen fish fillets, and other frozen small packages. The technology is simple and the investment is less as long as it has The fish area of ​​the freezing plant can be processed. 3 In addition to inheriting and promoting traditional processing, deep-processed freshwater fish processing of cooked foods is mainly based on food. In addition, various kinds of ready-to-use foods such as fish sausages, fish rolls, de-smoked smoked fish, etc. have been developed with sorghum as the main raw material. Fish paste and other high-end aquatic products such as crab leg meat, artificial scallop, and simulated shrimp. Our research shows that it is feasible to apply artificial carp to simulated food processing such as artificial crab leg. In addition, it can also process seasoned cooked food and dry products, as well as processed products such as drunk crabs, roasted oysters, cooked lobsters, and fresh shrimps. 4 Development of health care and beauty products Aquatic fish such as fish and earthworms, turtles, freshwater cultured pearls and other aquatic products have nourishing, health care, and cosmetic effects on the human body and can be developed and processed into health care, medicine, and beauty products. Such as the current development and production of turtle products, pearl beauty health products, the use of fish oil in the EPA and DHA developed polyene Kang Pill brain gold. It can also process and develop other kinds of medicines, health care and beauty products, not only for the benefit of mankind, but also greatly improve the use value and economic benefits. 5 The comprehensive utilization of splashing fish The leftover fish head, fish skin, fish scales, fish bone spurs and internal organs account for about 40-55%, and must be comprehensively used to improve the utilization value and economic benefits. 5.1 Skins of fish skins Grass carp, black mullet, cyan fish, and squid in freshwater fish, as well as large-size squid and squid skins of 2.5 kg or more can be used as raw materials for tanning. 5.2 Use of fish head and bone spurs The fish head contains almost all the nutrients that the human body needs, including protein skin, fat, calcium, phosphorus, iron, etc., and a variety of amino acids. The protein content of carp head is 14.42%. Fish head 14.68%, can be used as an excellent source of nutrition for children, the elderly, the development and processing of a variety of bone paste foods, especially formulated as a puffed food, is a nutrient-rich, cheap and good raw materials. 5.3 The internal organs of fish oil grass, cockroach, cockroach, cockroach and carp are extracted from the internal organs of freshwater fish, accounting for about 10% of the whole fish. The fat content in the general internal organs is very high. According to analysis of fat content of 30-50% of the internal organs, is one of the important sources of colored oil. 5.4 Leftover processing Liquefy protein will be broken after the waste, add acid to adjust the pH, the use of the organization of the fish's leg tissue own enzymes, protein decomposition into peptides and amino acids, feeding animals, easily digested and absorbed, which can improve Growth rate and feed rewards. 5.5 Processed fishmeal There are many wastes processed from freshwater. For example, 400 tons of frozen fish gizzards require about 400 tons of raw materials, and 200-250 tons of scraps are used. In addition to other comprehensive utilization, they can be processed into color powder. Toner is one of the main animal protein sources for aquatic animal and livestock feed, and it has a large market demand.

Anti Coccidiosis Drugs

Anti-coccidiosis drugs are used to prevent and treat coccidiosis, a disease caused by a protozoan parasite that affects the intestinal tract of animals. Coccidiosis is a common and costly disease in livestock, particularly in poultry, sheep, and cattle.

There are several types of anti-coccidiosis drugs available, including ionophores, chemical coccidiostats, and natural coccidiostats. Ionophores are a class of antibiotics that are commonly used in poultry and are effective against a range of coccidia species. Chemical coccidiostats are synthetic compounds that are added to feed or water and work by interfering with the metabolism of the coccidia parasite. Natural coccidiostats are plant extracts or essential oils that have anti-coccidial properties.

It is important to use anti-coccidiosis drugs in poultry responsibly to prevent the development of drug-resistant strains of coccidia. This can be achieved by rotating different classes of drugs, using them at the recommended dose and duration, and ensuring good management practices to reduce the risk of infection.

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