58 results about "Leiocassis longirostris" patented technology

The present invention discloses one kind of fast frozen white delicious fish fillet of spotted forked-tail Leiocassis longirostris and its production process. The production process includes the steps of temporarily raising, killing to eliminate blood, slicing, eliminating skin, trimming, soaking to sterilize, loading into tray and quick freezing, grading, coating with ice, packing, etc. The production process features complete elimination of blood, low temperature of fish fillet in icy water at 0-4 deg.c, soaking fish fillet in ozone icy water and ultralow temperature quick freezing at below -35 deg.c. The production process has high fish fillet yield and less nutrient loss, and the produced fish fillet is white, translucent and delicious.

The invention discloses a Leiocassis longirostris breeding system for adjusting the feeding amount on the basis of weight detection. The feeding system includes: an acquisition unit for acquiring fish pool internal whole infrared image information; a storage unit for storing a corresponding list of fish volume summation and feeding amount summation; a feeding unit for using a plurality of feeding device to throw a target feeding amount of food to a fish pool; a shooting unit for acquiring the fish pool internal whole infrared image information; a control unit for acquiring the fish pool internal whole infrared image information, calculating the volume summation of fishes in the fish pool, searching the corresponding feeding amount summation, and sending the feeding amount summation to the feeding unit, wherein the control unit acquires the fish pool internal whole infrared image information, analyzes fish distribution in the fish pool, and controls the plurality of feeding device to act through a command according to the fish distribution. The breeding system adopts regional feeding, can provide a healthy feeding environment for fish, can improve the growth speed and reproduction speed of fish, and can ensure the breeding effect and efficiency of fish.

The invention provides a primer group for identifying a male parent and a female parent of tachysurus fulvidraco and leiocassis longirostris hybrid species. The primer group comprises a primer pair for amplifying COI genes and a primer pair for amplifying an ITS sequence, wherein the primer pair for amplifying COI genes consists of a primer COIF and a primer COIR; the primer pair for amplifying an ITS sequence consists of a primer ITSF and a primer ITSR. The invention also provides a kit which is for identifying the male parent and the female parent of tachysurus fulvidraco and leiocassis longirostris hybrid species and comprises the primer group. The kit also comprises any one or more of the following reagents: a buffer solution for PCR, dNTP, heat-resistant DNA polymerase, a cloning vector, a DNA ligase, and a buffer solution for ligation. The invention also provides a method for identifying the male parent and the female parent of tachysurus fulvidraco and leiocassis longirostris hybrid species. The primer group, the kit or the method can be used for accurately identifying the male parent and the female parent of the tachysurus fulvidraco and leiocassis longirostris hybrid species, thus effectively managing a breeding plan and monitoring negative influence thereof, and has great significance in sustainable development of aquaculture industry.

The present invention discloses a complete nutrient pelletized feed for longnosed wei fish. Said feed is formed from fish powder, soybean cake, rape cake, corn flour, edible oil, mixed vitamins, mixed mineral salt and additive.

The invention relates to a special slow-falling extruded mixed feed for Leiocassis longirostris, and a preparation method thereof. The special slow-falling extruded mixed feed for Leiocassis longirostris comprises, by mass, 30-40% of fishmeal, 15-25% of soybean meal, 5-10% of degossypolized cottonseed meal, 5-15% of corn protein powder, 5-10% of bread flour, 3-5% of cassava modified starch, 3-5% of sea-tangle powder, 1-2% of calcium dihydrogen phosphate, 3-8% of fish oil, 0.1-0.3% of a Leiocassis longirostris multi-vitamin premix, 0.5-1% of a multi-ore premix, 0.1-0.5% of choline, 0.2-0.5% of salt, 0.01-0.05% of an antioxidant and 0.05-0.2% of a mildew inhibitor. The feed has the following beneficial effects: 1, the nutritional requirements of the Leiocassis longirostris are well satisfied, and the growth speed is fast; 2, the feed is suitable for the intake of the Leiocassis longirostris; and 3, the digestion utilization rate is high, the nitrogen and phosphorus discharge is low, and the pollution to water is small.

The invention relates to a leiocassis longirostris pellet feed, and belongs to the technical field of an aquatic product feed. The leiocassis longirostris pellet feed disclosed by the invention comprises the following raw materials in parts by weight: 22-28 parts of fish meal, 18-25 parts of high protein flour, 10-20 parts of bean pulp, 5-10 parts of cottonseed meal, 5-10 parts of rapeseed meal, 5-10 parts of meat meal, 5-10 parts of soybeans, 5-10 parts of rapeseed, 5-10 parts of spray-dried animal blood cells, 3-7 parts of soybean oil, 1.5-2.5 parts of monocalcium phosphate, 0.1-2 parts of phospholipid, 0.5-1.5 parts of a multidimensional mineral salt premix, 0.1-0.3 part of glycine betaine and 0.05-0.1 part of vitamin C-2-polyphosphoric acid. The leiocassis longirostris pellet feed disclosed by the invention is low in pulverization rate and low in oil content, and can be used for accelerating growth of leiocassis longirostris while preventing the body color of leiocassis longirostris from becoming white.

The invention discloses feed with a function of improving stress resistance of leiocassis longirostris in a later aquaculture period. The feed is prepared from, by weight, 20-30 parts of cicada pupa powder, 10-30 parts of soybean meal, 5-15 parts of wheat middling powder, 5-15 parts of squid powder, 5-10 parts of red fishmeal, 5-12 parts of algae powder, 10-20 parts of flour, 2-10 parts of modified casein, 2-7 parts of fish oil, 1-3 parts of choline chloride, 1-2 parts of bile acid, 1-5 parts of monocalcium phosphate, 0.1-0.5 part of ferric methionine, 0.1-0.5 part of copper sulfate, 0.1-0.5 part of manganese sulfate, 0.1-0.5 part of zinc methionine, 0.1-0.5 part of magnesium sulfate, 0.5-1 part of arginine, 0.1-0.5 part of glutamic acid, 0.2-0.75 part of betaine, 1-2 parts of vitamins and 1-3 parts of Chinese herbal medicines. The feed has advantages that growth development is promoted, stress resistance and immunity of leiocassis longirostris are improved, and symptoms including surface hyperemia, transverse inclining and mass mortality of leiocassis longirostris from the later aquaculture period to a process of transferring for marketing are avoided.

The invention relates to a Leiocassis longirostris skin collagen antioxidation peptide, and a preparation method and application thereof. The preparation method comprises the following steps: removing alkali-soluble proteins from Leiocassis longirostris skin with an alkali solution, degreasing with n-hexane, extracting collagen with a lactic acid solution, dialyzing, carrying out freeze-drying to obtain the collagen, hydrolyzing the obtained collagen with proteinase under proper enzymolysis conditions, and carrying out freeze-drying on the enzymolysis product to obtain the Leiocassis longirostris skin collagen antioxidation peptide. The Leiocassis longirostris skin collagen antioxidation peptide has favorable activity, the IC50 for removing DPPH free radicals is 0.53-0.86 mg/ml, the IC50 for removing hydroxy free radicals is 0.72-0.91 mg/ml, and the IC50 for chelating Fe<2+> is 1.01-1.35 mg/ml.

The invention discloses a method for establishing a leiocassis longirostris breeding dynamic feeding table, comprising the following steps of: 1. researching the dynamic relationship between the feeding level, the weight and the water temperature and the maximum feeding rate, the defecation rate, the excretion rate, the body heat gain, the standard metabolism and the activity metabolism in the energy budget expression through a growth experiment; 2. establishing an optimum feeding rate model of leiocassis longirostris on the basis of a bioenergetic model; and 3. inputting the breeding days, water temperature, the initial body weight of fishes, initial energy values of fish bodies, the feed protein level and the feed energy value by using a computer program, outputting the daily weight growth, the maximum daily feeding quantity and the optimum feeding quantity and forming the leiocassis longirostris breeding dynamic feeding table by calculation. The dynamic feed can accurately forecastthe daily growth and the daily feeding rate of the leiocassis longirostris in the breeding process under different environments in time, which not only cannot waste the feed to cause the cost increase and the secondary pollution of the feed, but also cannot influence the growth of fishes, caused by lack feeding of the feed.

The invention relates to a controlled-feeding/heavy-feeding alternate feeding aquatic product fish culture method. According to the method, a controlled-feeding/heavy-feeding alternate feeding mode is provided by using the principle of compensatory growth, so that the feed utilization efficiency of fishes can be increased, the wasting of feedstuff and the emission of nitrogen and phosphorus caused by remnant feedstuff are reduced, the environmental pollution is lightened, and the culture cost is reduced. By a controlled-feeding/heavy-feeding alternate feeding strategy, the feed utilization efficiency of fish bodies of sturgeons or Leiocassis longirostris can be increased, and the emission of nitrogen is lowered; and the content of protein and fat in the fish bodies is not affected, the fat accumulation of internal organs can be lowered, and the quality is improved.

The invention discloses a special feed capable of increasing the survival rate of leiocassis longirostris. The special feed comprises the following raw materials in parts by weight: 15-30 parts of sweet sorghum, 20-40 parts of oat flour, 10-20 parts of alfalfa powder, 10-18 parts of water hyacinth dry powder, 60-70 parts of a vegetable protein additive, 4-12 parts of kelp powder, 4-10 parts of puffed blood powder, 2-4 parts of rice wine distillers' grains, 2-4 parts of yeast protein, 4-8 parts of an immune enhancer, 2-4 parts of a Chinese herbal medicine additive and 4-6 parts of a chitosan compound, wherein the chitosan compound is prepared through the following technology: stirring the bentonite, the chitosan, a silane coupling agent and water, performing ultrasonic vibration, adding Tween 80, continuing performing stirring, performing filtering, performing washing and performing drying, so that the chitosan compound is obtained. According to the special feed, the leiocassis longirostris can easily adapt to breeding environment, the survival rate of seedlings is high, the immunity is high, the obtained leiocassis longirostris has the characteristics of being natural in body colorand healthy in fish body, the nutrient value of the leiocassis longirostris bred with the feed disclosed by the invention can be the same as that of wild leiocassis longirostris, and the requirementsfor high nutrient value of consumers can be met.

The invention relates to instant soft-packaged leiocassis longirostris and a preparation method thereof. The instant soft-packaged leiocassis longirostris is prepared by pickling 1.5-2.0 kg of pretreated fresh leiocassis longirostris meat pieces by adopting pickling seasoning, wherein the pickling seasoning comprises the following components in percentage by weight: 6-10% of white granulated sugar, 3-5% of table salt, 1-2% of monosodium glutamate, 8-10% of soy sauce, 2-4% of Chinese prickly ash powder, 1-2% of five spice powder, and 30-50% of fresh chillies, then performing drying under the condition of the hot air drying temperature of 50-90 DEG C for 3-8 h, and finally carrying out vacuum packaging and high-temperature sterilization. The invention also discloses the preparation method of the instant soft-packaged leiocassis longirostris. The products provided by the invention are thick in meat quality, moderate in spicy and hot flavor, nutritive and safe, and can be used as instant leisure products to be put on the market.

The invention belongs to the technical field of food processing, and in particular relates to leiocassis longirostris-containing lentinus edods sauce. The leiocassis longirostris-containing lentinus edods sauce is prepared from main materials and auxiliary materials, wherein the main materials comprise leiocassis longirostris meat, fermented black beans and dry lentinus edods; the auxiliary materials comprise main spices, auxiliary spices, vegetable oil, seasonings, lemongrass herb powder, fructus amomi rotundus powder, spiceleaf powder, fructus foeniculi powder, radix angelicae sinensis, radix codonopsis, radix panacis quinquefolii, radix adenophorae and white sesame; the leiocassis longirostris-containing lentinus edods sauce is prepared by means of a special sauce cooking technology. The lentinus edods sauce prepared by combining the lentinus edods with leiocassis longirostris has double flavors of the lentinus edods and the leiocassis longirostris; due to the combination of the lentinus edods and the leiocassis longirostris, not only is the umami of the traditional lentinus edods sauce improved, but the nutritional value of the traditional lentinus edods sauce is also increased; furthermore, the leiocassis longirostris-containing lentinus edods sauce can enhance the immunity of a human body, reduce the blood pressure and reduce the content of cholesterol.

The invention discloses an environmental-friendly growth-promoting feed for Leiocassis longirostris of 60 to 120 days old. The environmental-friendly growth-promoting feed comprises, by weight, 10 to 30 parts of soybean meal, 5 to 15 parts of silkworm chrysalis meal, 10 to 20 parts of shrimp meal, 5 to 15 parts of peanut meal, 5 to 10 parts of scallop skirt, 5 to 15 parts of undaria pinnatifida powder, 2 to 10 parts of full fat rice bran, 10 to 30 parts of shell powder, 1 to 5 parts of diatomite, 5 to 15 parts of sargassum, 10 to 18 parts of rice flour, 15 to 30 parts of Sargassum pallidum, 1 to 2 parts of yeast polypeptide powder, 0.5 to 1.5 parts of fructooligosaccharide, 1 to 3 parts of choline chloride, 1 to 3 parts of monocalcium phosphate, 1 to 2 parts of composite vitamin, 0.2 to 0.8 part of high temperature resistant phytase, 1 to 5 parts of modified corn protein powder, and 1 to 3 parts of a Chinese herbal medicine. The environmental-friendly growth-promoting feed is capable of satisfying nutrient demands of Leiocassis longirostris of 60 to 120 days old, promoting rapid growth, improving immunity and anti-stress capability, and reducing aquatic water environment pollution.

The invention discloses green and healthy leiocassis longirostris feed. The feed includes the following ingredients in parts by weight: 30-50 parts of brown rice flour, 15-25 parts of sunflower seed meal, 10-18 parts of radish leaves, 4-15 parts of potato flour, 2-8 parts of oat bran, 4-12 parts of peanut meal, 1-3 parts of pollen pini, 2-5 parts of whole wheat flour, 2-4 parts of corn gluten meal, 5-10 parts of rice chaff, 4-8 parts of rice bran meal, 2-6 parts of a hyaluronic acid compound, 2-4 parts of an intestinal probiotic preparation and 2.5-4.5 parts of a digestion-promoting agent. The feed provided by the invention has a reasonable combination of various nutrients, can not only save feed but also decrease the addition amount of chemicals and feeding cost, improve benefits of feeding the leiocassis longirostris, improve feed nutrient structure and enhance immunity. According to the invention, the ingredients of the feed are natural and hormone-free and meet the current demand of people on food safety. The feed provided by the invention can facilitate the growth of the leiocassis longirostris and increase yield and economic benefits.

The invention belongs to the technical field of food processing, and particularly relates to a production method of dumpling with fish meat stuff by taking fish meat as a main raw material. The method comprises the following steps: removing skin and bones of leiocassis longirostris, washing pork cleanly and cutting the cleaned pork into blocks, mincing for later use through a meat mincer, feeding meat, vegetables and other raw materials and auxiliaries into a stirring machine and beating into stuffing, forming dumplings through a dumpling forming machine or manually, arranging the formed products into an instant freezer for quick freezing, bagging, weighing and sealing according to the product specification requirement, and timely delivering entirely packaged products into a finished product freezer. The produced dumplings are attractive in appearances, are fragrant and tender, good in mouth feeling, and rich in nutrients, the dumplings produced by adopting the method according to the proportion not only are delicious in taste and excellent in mouth feeling, and has the effects of strengthening the physique, improving the immunity, delaying senescence and the like after being eaten for a long time, and for the dumplings produced by adopting the method, the stuffing cannot be broken and loosened and cannot suffer from other conditions during cooking, the delicious mouth feeling of the dumplings can be kept, and therefore, the dumplings have wide market prospects, and are beneficial to popularization and applications in the field.

The invention discloses a feed for Leiocassis longirostris in the fattening period. Raw materials of the feed comprise 30-50 parts of fermented grape seed meal, 20-40 parts of fermented sunflower seed meal, 5-10 parts of peanut meal, 2-10 parts of fish meal, 2-5 parts of honey, 1-2 parts of egg white, 4-12 parts of phoenix eggs, 1-4 parts of kelp powder, 1-2 parts of Herb of Hairystalk Loosestrife, 4-8 parts of an antibacterial system, 8-12 parts of a granulation system, 0.15-0.35 parts of fructooligosaccharides, 0.1-0.6 parts of nicotinamide and 0.01-0.04 parts of EM bacteria. A corn flour compound is prepared through the following steps: stirring corn flour, hydroxypropyl guar gum and an ethanol solution, adding 2-chloroethyldiethylamine, stirring above substances, filtering the stirred substances, drying the filtered substances until the weight is constant, and crushing the dried substances. The feed has the advantages of easily available raw materials, low cost, richness in nutrients, good dispersibility, easiness in digestion and absorption by the Leiocassis longirostris, effective reduction of the mortality rate of the Leiocassis longirostris, difficulty in dissolving of a bait in water, and facilitation of a water environment.

The invention discloses a novel Leiocassis longirostris breeding system capable of automatically adjusting feeding amount. The system comprises a collecting unit, a storing unit, a feeding unit and a control unit, wherein the collecting unit is used for collecting the integral infrared image information of the interior of a fishpond; the storing unit is used for storing a corresponding list of the fish volume sum V and the feeding amount sum W; based on an instruction of the control unit, the targeted feeding amount of food is fed into the fishpond by the feeding unit; the integral infrared image information of the interior of the fishpond is acquired by the control unit at t<1>, t<2>...t<n>, the fish volume sum V<1>, V<2>...V<n> in the fishpond is calculated based on the infrared image information, when V <= a*V<i-1>, the control unit sends W<i-1> as the targeted feeding amount to the feeding unit and controls the feeding unit to take action through the instruction, and when a*V<i-1> < V and V <= b* V<i-1>, the feeding amount sum W corresponding to V is searched in the storing unit by the control unit, and the control unit sends W to the feeding unit and controls the feeding unit to take action through the instruction. According to the system, a feeding strategy is selected and adjusted based on changes of the fish volume in a targeted mode, intelligentization and automation of the fish breeding system are improved, and the effect and efficiency of fish breeding are guaranteed.