48 results about "Herring" patented technology

The invention discloses a mimic ecological propagation method for breeding parent fish of American hilsa herring, comprising the following steps: establishing a mimic ecological breeding system suitable for natural growth and maturity of the sexual gland of hilsa herring by adopting a circulation water breeding technique and an automation control technique of water environmental factor; regulatingthe mimic natural seasonal rhythmicity for the major physical factors, water chemical factors, and the like of the breeding environment, including factors such as salinity, water temperature, water flow and period of lighting daily variation while fortification; injecting hormone to the parent fish before the spawning season to promote maturity of the sexual gland, and causing the hilsa herring to spawn naturally through enhance water flow stimulation; arranging a spawn collecting box at a circulation water outlet to collect the germ cells and then placing the germ cells in a semi-floating germ cell separation incubator for incubation. The invention can remarkably improve the spawning efficiency of the parent fish of hilsa herring and the incubation rate of the germ cell, and provide thetechnical support for the industrialization of artificial propagation technique for breeding hilsa herring.

The invention discloses an environment-friendly herring fodder. The herring fodder comprises the constituents of strong flour, white fish meal, blood meal, bean pulp, rapeseed dregs, cotton seed meal, fish oil, bean oil, phytase, calcium biphosphate, salt, coating lysine, coating methionine and additive according to weight percentage. The additive is fish vitamin premix and mineral composition premix. The fodder of the invention aims at herrings, takes digestable amino acid as design considerations, can increase utilization rate of the fodder of herrings, thus increasing the cultivation benefit, simultaneously reducing the drain of nitrogen and phosphorus in the fodder and improving cultivation water quality.

The invention discloses a preparation method of herring bait. The bait comprises earthworm powder, misgumus anguillicaudatus powder, clam powder, river snail powder, Chinese white olive powder, chestnut powder, pea powder, shrimp meal, animal protein powder, soya bean protein powder, apple powder, olive powder, potato powder, hawthorn powder, binding material for fish, banana meal, orange meal and melon powder, and the percentage adopts weight percentage. The bait has thick aroma, and has thick sore sweet smell after entering water, and the sore sweet smell can be rapidly spread, the bait can strongly stimulate the taste bud of herring around, so as to ensure that the herring can smell the sore sweet smell from far away and can see that the bait in the water is slowly expanded, the shape of the expanded bait is good and good for the herring to swallow the bait, the bait is similar to live bait, and can attract the herring to swallow in the shortest time.

The invention is directed to a fishing vessel and a method of menhaden fishing. The fishing vessel comprises catamaran or multi-hulled type boat or ship used as a purse boat. The fishing vessel is outfitted with a jet propulsion drive system and also has various equipment necessary for handling the purse seine, such as with an articulated crane necessary to manipulate the seine or fishing net and partially lift it out of the water, a purse winch, and a tom winch. The fishing vessel can be transported by a steamer boat and once in the fishing area is launched or it can be navigated to the fishing grounds. Once the fish are caught, the fish are unloaded from the seine or fishing net using a vacuum transfer device and stored in a refrigerated storage area on the steamer.

A system and method for anticipating criminal behaviour. The system includes or is connectable to a database including records, each record including data representative of a criminal incident. The system includes a pre-processing unit arranged for scanning each record for identifying data-items relating to a plurality of predetermined data types, wherein the plurality of predetermined data types includes all or a sub-set of: Arena, Time(frame), Context, Protagonist, Antagonist, Motivation, Primary Objective, Means, modus operandi, Resistance, Symbolism, and Red herring of the criminal incident. The system includes a classifying unit arranged for assigning to each identified data-item a category value of one of a plurality of predetermined category values associated with said predetermined data-type. The system includes a processing unit arranged for constructing a matrix containing a row for each record, and containing columns related to the predetermined data-types, the cells of the matrix containing the determined category values. The system includes an input unit, arranged for receiving user input, the user input including category values of a criminal incident for some, but not all, of the predetermined data types. The system includes a scenario generator arranged for estimating, on the basis of the user input and on the basis of the matrix, a category value for the predetermined data type(s) not included in the user input. The system includes an output unit arranged for outputting the estimated category value for the predetermined data type(s) not included in the user input.

The invention discloses a composite feed for improving immunity of herring. The feed comprises the following components by weight portion: 3-6 parts of a fish meal, 15-25 parts of a soybean meal, 2-5 parts of a meat and bone meal, 4-6 parts of wheat bran, 4-8 parts of rice chaff and 5-10 parts of compound vitamin; and the feed also comprises 5-15 parts of Chitosan Oligosaccharide and 10-20 parts of konjac mannan oligosaccharide. The feed provided by the invention has effects of enhancing body function and immunity of herring, and the effects are reflected in the significantly increased immune indexes including superoxide dismutase, phagocytic percentage and phagocytic index of herring; and the feed provided by the invention has extensive component sources and low price, and is suitable for large-scale cultivation.

The invention discloses a method for preparing a fish bait for fishing herrings. The method for preparing the fish bait belongs to the field of fish feed. The product is prepared according to the physiological characteristics of herrings and has the advantages of simple preparation method, rich source of materials, low cost, high fishing effect of herrings in ponds and the like. The fish bait is prepared from water, bean cakes, maize cakes, sesame cakes, rapeseed cakes, sunflower seed cakes, cotton seed cakes, sweet potatoes, mashed potatoes, rice flour, wheat bran, rice bran, sesame powder, rice, flour, red sugar and liquor by a special process. The fish bait is mainly used for fishing herrings.

The invention discloses a method for increasing a storage period of herring fish. The method comprises the following steps: I) fresh herring fish is pre-processed; II) the herring fish obtained in the step (I) is immersed in first immersion liquid composed of sodium chloride, ethanol, sodium citrate and water, and the herring fish is drained after immersion; (III) the herring fish obtained in the step (II) is immersed in second immersion liquid composed of sodium chloride, calcium chloride, disodium hydrogen phosphate and the water, and the herring fish is drained after immersion; (IV) the surface of the herring fish obtained in the step (III) is smeared with a first surface treatment paste composed of plant oil, ethanol and plant powder; (V) the surface of the herring fish obtained in the step (IV) is smeared with a second surface treatment paste composed of hydrogenation plant oil and plant oil; and (VI) the herring fish obtained in the step (V) is cooled, cartonned, and stored in a cold storage. Through a method for twice immersion and two-layer coating for the herring fish, the oxidation degree of the herring fish fat in a refrigeration storage process is greatly reduced, the herring fish preservation time is prolonged, and the nutrition is not easy to loss.

The invention provides a method for culturing herring in a pond and relates to the technical field of aquaculture. The method for culturing the herring in the pond includes the following steps: preparation of the pond, fish species stocking, bait feeding and daily management. The method for culturing the herring in the pond has the advantages of fully utilizing production resources, and being free of professional equipment and cultivating pollution, standard and norm in breeding technology, scientific and norm in feeding and novel in co-culture technique, and improving the quality of aquaculture to the largest extent, and the benefit of the herring.

The invention discloses feed for increasing the survival rate of herrings and a preparation method thereof, and relates to the technical field of aquaculture. The feed is prepared from 70-80 parts of sweet corn flour, 55-65 parts of wheat bran, 45-55 parts of rapeseed meal, 45-50 parts of peanut meal, 45-50 parts of modified sepiolite, 35-45 parts of flour, 35-40 parts of rice bran, 30-35 parts of fragrant-flowered garlic leaves, 30-32 parts of spinach leaves, 25-35 parts of rape leaves, 25-30 parts of water spinach, 15-25 parts of clove oil, 10-15 parts of vitamin A, 10-12 parts of vitamin C, 5-10 parts of vitamin E, 15-20 parts of Chinese herbal components, 10-15 parts of attractants and 80-90 parts of water. The feed for increasing the survival rate of the herrings is reasonable in proportion and full in nutrition, and improves the disease resistance of the herrings.

The invention provides a method for automatically ecological culture of hilsa herring. The method includes building a farm, to be specific, building a stereoscopic farm; building a circulating water culture system in the bottom layer; arranging a culture wastewater purifying ecological ditch, a wastewater settling tank and a purifying tank at the bottom layer; feeding hilsa herring, to be specific, feeding hilsa herring with plankton cultured on the top layer by the feeding proportion which is controlled according to breeding date and temperature of culture water source; carrying out daily management, to be specific, injecting fresh water and aerating at the reasonable time; carrying out disease control. Since the stereoscopic farm is built, the plankton for feeding hilsa herring is bred together with hilsa herring, eco-environment protection is achieved while culture efficiency is improved; the circulating water culture system recycles the culture water source, metabolite of hilsa herring, carried to the plankton culture layer by the circulating water culture system, is decomposed to provide nutrition for growth of the plankton, and thus, culture cost is reduced; further, the arrangement of a thermal insulation system guarantees precise control on temperature of hilsa herring culture environment.

The invention relates to a fish feed capable of accelerating growth speed. The fish speed comprises the following components in parts by weight: 5-7 parts of herba andrographitis, 6-9 parts of radix stemonae, 12-14 parts of polygonum aviculare, 3-5 parts of rheum officinale, 4-9 parts of Chinese gall, 4-7 parts of rhizoma acori graminei, 40-60 parts of bean pulp, 30-35 parts of fish meal, 25-34 prats of rice bran, 12-15 parts of potato, 8-12 parts of aquatic plant, 9-18 parts of vegetable, 4-9 parts of dried small shrimps, 6-12 parts of Chinese herring, and 12-14 parts of complex raising agent. The traditional Chinese medicines of herba andrographitis, radix stemonae, polygonum aviculare, rheum officinale, Chinese gall and rhizoma acori graminei are added to improve the autoimmunity of a grass carp, so that the prevalence rate of the grass carp in the growth process is reduced, and the growth speed of the grass carp is greatly accelerated as the immunity is improved.

The invention discloses a herring feed and a preparation method thereof. The herring feed comprises the following components by weight: 10-15 portions of rice bran, 10-15 portions of sweet potato powder, 5-10 portions of wheat starch, 10-15 portions of rapeseed powder, 15-25 portions of wheat bran, 2-5 portions of shrimp powder, 1-2 portions of snail meat powder, 1-2 portions of earthworm powder, 10-15 portions of hollow lotus leaves, 40-60 portions water and an accessory bag. The preparation method is as below: adding water into the rice bran, sweet potato powder, wheat starch, rapeseed meal, wheat bran, shrimp powder, snail meat powder and earthworm powder, mixing to form a paste, and placing at the temperature of 21-28 DEG C for 2-3 h to obtain a mixture A; cleaning the hollow lotus leaves, crushing the leaves into a paste, adding the accessory bag, and evenly stirring to obtain a mixture B; and fully mixing the mixture A and the mixture B, extruding into thin rods, baking, and crushing into granules. The invention has the advantages that the feed does not contain additives, and is supplemented with hollow lotus leaf to prevent oral ulceration and intestinal flatulence of herring; and the herring fed with the feed has tender mouth feel and rich nutrients.

The invention discloses health-caring green chicken cakes and a preparation method thereof. The health-caring green chicken cakes are prepared from the following raw materials in parts by weight: 30-50 parts of asparagus, 5-10 parts of cucumbers, 10-20 parts of sweet potato powder, 5-10 parts of broad bean powder, 5-10 parts of Chinese yam powder, 5-10 parts of herrings, 2-5 parts of chicken breast meat, 5-10 parts of eggs, 1-3 parts of honey, and 0.5-1 part of edible salt; and the health-caring green chicken cakes are prepared by the following steps of juicing the raw materials, carrying outmixing, carrying out shaping, and carrying out steaming. The health-caring green chicken cakes contain a large amount of amino acids, vitamins and proteins needed by the human body, and have the health-caring values of strengthening the spleen and the stomach and preventing cancer, as well as anti-cancer activity; moreover, the health-caring green chicken cakes are green, clear, refreshing in aroma, palatable, unique in taste, and adaptive to demands of people for green and healthy foods.

The invention discloses a sectional type hilsa herring high-efficiency feeding taming method, and relates to the technical field of aquaculture. On diet of hilsa herring, fine fodder is used to feed, fodder is reasonable in proportion and abundant in nutrition. The method provides protein, fat, vitamins and microelements which are necessary in growth and development of fries, ensures health development and growth of hilsa herring, enhances anti-stress ability of the fries, improves feeding taming efficiency, and shortens feeding taming period. On the feeding taming method of the hilsa herring, a sectional type feeding taming method is used, ensuring nutrition supply of the fries, enhancing physique of the fries, reducing inadaptability of the fries on new environment, reducing waste of fodder, and improving utilization efficiency of the fodder.

The invention discloses a preparation method of a bait for fishing herrings, comprising platycodon root powder, himalayan teasel root, gingko powder, boat-fruited sterculia powder, millet sprout, malt flour, apple powder, lotus leaves powder, cassia seed powder, towel gourd powder, pumpkin powder, and cordate houttuynia powder. The bait prepared by the method has fragrant and sweet taste and has a strong delicate fragrance after entering in water, can induce a large amount of herrings to a position set in advance in the shortest time. The bait can be used not only for mass trapping and fishing, but also for hitting nest, with good trapping effect and high trappability, thus effectively solving the defects that fish can not be gathered together in flood face, wild water or water of complex terrain.

The invention relates to a growth-promoting and disease-preventing compound feed for herrings. The growth-promoting and disease-preventing compound feed for the herrings comprises the following raw materials in parts by mass: 20-24 parts of corn bran, 18-22 parts of sweet potato starch, 15-18 parts of shrimp meal, 12-14 parts of soybean meal, 6-8 parts of river snail meat meal, 1-3 parts of wall-broken yeast powder, 1-2 parts of radix astragali powder,1-3 parts of spirulina powder, 0.5-1 part of edible salt, 3-5 parts of carrot powder, 2-4 parts of earthworm powder, 1-2 parts of fish oil, 2-4 parts of liquorice root powder, 0.5-1 part of vitamin C, 2-4 parts of hawthorn fruit kernel powder, and an appropriate amount of water. The compound feed disclosed by the invention provides nutrients suitable for growth demands of the herrings in a targeted way according to the growth habits and the physiological characteristics of the herrings, so that the compound feed is capable of promoting development of the herrings. The compound feed is capable of increasing appetite of the herrings so as to realize rapid growth of the herrings. Moreover, the compound feed is also capable of improving disease resistance of the herrings so as to prevent fish diseases and reduce disease incidence rates.

The invention discloses an improved breeding method for grass carps. The method comprises the following operating steps: putting Cabomba caroliniana in a fish pond, and partitioning the fish pond into a plurality of units with plastic meshes, wherein the depth of water is 30-45cm, the temperature of the water is 8-11 DEG C, and the water in the fish pond is flowing circulating water; selecting Guangxi herrings with the weight of 3,500-4,000g as male parents, selecting local grass carps with the weight of 7,500-9,000g as female parents, and putting a female parent grass carp and a male parent herring into each unit of the fish pond 25 days before the ovulation of the grass carps; when the condition that eggs are discharged from the pudenda of the grass carps is discovered during breeding, adopting manual-squeeze ovulation (the eggs discharged at the beginning are white), and immediately stopping squeeze ovulation when the condition that the eggs discharged through squeezing become pale-green. By adopting the method, the ovulation amount of the grass carps is increased by 20-30%, and after fish fries hatched from the eggs grow up, the space of abdominal cavity becomes smaller, the flesh is tender, the flavor is delicious, the flesh is partial to that of the herrings, the body type is partial to that of the grass carps, the disease resistance is strong, and the culturing is easy.

The invention discloses a compound feed used for polyculture of bighead silver carps and herrings and a preparation method thereof, and relates to the field of fish breeding; and the compound feed used for polyculture of the bighead silver carps and the herrings is composed of a floating feed and a sinking feed. The sinking feed is mainly used for feeding the herrings which live at middle and lower layers of the water; and various animal and plant proteins are used in cooperation so as to provide proteins needed for herring growth. The floating feed is mainly used for feeding the bighead silver carps which live at an upper layer of the water; the floating feed is relatively low in protein content, and is added with various Chinese herbal medicines; and a main purpose of the floating feed is to improve disease resistance of the bighead silver carps. The compound feed adopts different formulas for different fishes so as to avoid nutrient waste; moreover, the compound feed improves survival rate and growth rate of the fishes in polyculture mode so as to increase yield. According to the preparation method of the compound feed used for polyculture of the bighead silver carps and the herrings, differential treatments are carried out during preparation processes according to different feeding habits of the bighead silver carps and the herrings; a fermentation process is added into the preparation processes of the floating feed according to the characteristic of the bighead silver carps, namely fancy on sour rotten foods; and differential feeding of the bighead silver carps and the herrings are ensured.

The invention discloses a medicine composition and a preparation with the functions of reducing blood pressure and blood sugar and protecting liver and a preparation method of the medicine composition. The medicine composition is prepared from, by weight, 80-120 parts of negative ion small-molecule water, 0.15-0.25 part of agarotetrols, 50-70 parts of tea polyphenol, 40-60 parts of tea polysaccharide, 50-70 parts of tea pigments, 80-100 parts of total flavone and 5-25 parts of black carp gallbladders. The medicine composition has remarkable functions of reducing blood sugar and urine sugar, symptoms of high blood pressure, high blood sugar and high blood fat of diabetes mellitus can be effectively improved, blood sugar and blood pressure are effectively reduced, blood fat can be effectively reduced, unconformable symptoms caused by the high blood pressure are improved, cholesterol and beta-lipoprotein in blood serum are reduced, insulin secretion is facilitated, immunity is enhanced, blood flow volume is adjusted, atherosclerosis is prevented, the medicine composition resists bacterium, diminishes inflammation, clears heat, removes toxicity, facilitates feces excretion and diuresis, removes moisture, enhances liver metabolism, prevents cancers, restrains tumor growth, reduces the blood sugar, the blood pressure, the cholesterol and the blood fat and has unique and miraculous effect on the diabetes mellitus and complications of the diabetes mellitus, and a synergistic balance adjustment function is achieved.

The invention discloses hilsa herring beef which consists of the following components in percentage by mass: 15-20% of hilsa herring, 20-15% of beef, 4-7% of dried slices of tender bamboo shoots, 3-6% of codonopsis pilosula, 1-4% of astragalus membranaceus, 2-5% of green onion, 2-5% of ginger, 1-4% of garlic, 2-5% of white sugar, 2-5% of vinegar, 2-5% of corn oil, 3-6% of salt and the balance being water. The hilsa herring beef has the effects of tonifying stomach and spleen and tonifying qi and deficiency.

The present invention discloses a preparation method of a compound feed for hilsa herrings and relates to the technical field of hilsa herring culture. The preparation method comprises the following steps: carthamus tinctorius seed meal, peony cake meal, zophobas atratus, henry steudnera tuber powder, lotus root starch and illite powder are taken; the taken materials are dried; the dried materialsare ground; the ground materials are sieved; the sieved materials are mixed evenly; then an appropriate amount of beer water is added; the materials are mixed evenly; then under a stirring condition,naringenin, pumpkin seed oil, algin and a composite premix are successively added; the materials are mixed evenly; and finally granulating and drying are conducted to obtain a finished product. The compound feed is simple and convenient in preparation, can promote the rapid growth and fish body weight gain of the hilsa herrings, can also improve quality of fish meat, achieves purposes of enablingthe hilsa herring to be fresh, tender and delicious, enables the hilsa herrings to be high in survival rate and is good economic benefits.

The invention discloses an ecological cultivation method for improving hilsa herring meat quality, and relates to the technical field of aquaculture. The method enhances nutrition contents of hilsa herring forage on diet, ensures normal uptake of hilsa herring on protein, fat, vitamins and microelements, promotes health development and growth of hilsa herring, shortens aquaculture period, improves fish meat quality and nutrient content, and improves aquaculture yield and benefit. The method creates fresh, clean, and elegant culture environment, ensures healthy growth of hilsa herring, reduces morbidity rate of the hilsa herring, prevents degeneration of population, and improves fish meat quality. The hilsa herring is fast in growth, good in disease resistance, high in survival rate, fresh and tender in meat quality, rich in nutrition, fresh and thick in soup taste, and unique in flavor.

The invention relates to prochilodus scrofa mixed feed, and further relates to a preparation method of the prochilodus scrofa mixed feed. The prochilodus scrofa mixed feed provided by the invention is prepared from the following components in parts by mass: 21 to 29 parts of fish meal, 5 to 15 parts of vegetable cake, 4 to 15 parts of sweet potato flour, 5 to 14 parts of fructus quisqualis, 6 to 17 parts of pumpkin seed, 3 to 11 parts of Chinese torreya seed, 5 to 16 parts of semen raphani, 5 to 14 parts of fructus lycii, 3 to 10 parts of ferula asafoetida, 4 to 15 parts of sweet potato leaves, 3 to 15 parts of elm seeds, 3 to 10 parts of medicated leaven, 5 to 14 parts of folium perillae, 3 to 9 parts of fish oil, 1 to 4 parts of olive oil and 1 to 4 parts of compound vitamin, after the prochilodus scrofa mixed feed is fed, the prochilodus scrofa mixed feed coefficient is low, the crude protein content of the muscle of prochilodus scrofa is high, the crude fat content is low and the flavor amino acid content is high.

The invention discloses thunbergia fragrans-flavored canned Chinese herring. Thunbergia fragrans and Chinese herring are taken as raw materials, and pyrostegia ignea presl and pteris are added, so that the thunbergia fragrans-flavored canned Chinese herring is prepared. The thunbergia fragrans-flavored canned Chinese herring fully utilizes nutritional values of the thunbergia fragrans and Chinese herring, the thunbergia fragrans and Chinese herring are mutually combined with traditional Chinese medicines, synergistic effect is realized, and the thunbergia fragrans-flavored canned Chinese herring has the effects of invigorating the spleen, appetizing, helping digestion and removing food stagnation. After the thunbergia fragrans-flavored canned Chinese herring is eaten for long term, discomforts of the crowd suffering from dyspepsia and apathy to food can be obviously relieved. A production process of the thunbergia fragrans-flavored canned Chinese herring is simple and easy to realize, and extensive production can be carried out.

The invention discloses feed for young herring and a preparation method thereof. The feed is prepared from 10-15 parts of extruded rice bran powder, 10-15 parts of sweet potato powder, 5-10 parts of wheat starch, 15-25 parts of wheat bran, 1-2 parts of river snail meat powder, 1-2 parts of earthworm powder, 10-15 parts of lotus plumule leaves, 5-10 parts of folium artemisiae argyi, 5-10 parts of garlic leaves, 5-10 parts of duckweed and 40-60 parts of water. The preparation method includes the steps that firstly, water is added to the extruded rice bran powder, the sweet potato powder, the wheat starch, the wheat bran, the river snail meat powder and the earthworm powder and stirred into a dough state, and a mixture A is obtained; then, the lotus plumule leaves, the folium artemisiae argyi, the garlic leaves and the duckweed are cleaned up and crushed into a mud state, and a mixture B is obtained; the mixture A and the mixture B are stirred, extruded out through an extruder, baked and made into a powder state, and the feed is obtained. The feed has the advantages that no hormone additive is contained, and the lotus plumule leaves, and the folium artemisiae argyi, the garlic leaves, the duckweed and the like are added for preventing the mouth canker disease, the body surface blood pot disease and the intestinal flatulence disease of herring; the feed is suitable for feeding the young herring in the growing period for 1-2 months, the herring is good in body strength and high in activity, and the survival rate is over 95%.

The invention relates to ham sausage environment-friendly bait feed for carps and black carps and a preparation technology of the ham sausage environment-friendly bait feed. The sealed ham sausage environment-friendly bait feed is formed by mixing main materials and auxiliary materials. The main materials comprise 10-22% of snail powder, 8-20% of potato powder, 12-25% of antarctic krill powder, 8-16% of sweet potato powder, 15-30% of soybean protein powder and 14-24% of wheat protein powder. The auxiliary materials comprise 12-25% of nail pulp, 20-35% of shrimp paste, 25-40% of shrimp meat and 16-28% of water. The bait feed can be kept fresh and stored easily, the use process is environmentally friendly and hygienic, operation is convenient, water flow resistance is high, fish can be kept for a long time, and the bait feed can be used for fishing in flowing water areas and still water areas. Pertinence to the carps and the black carps is high, interference of other trash fishes is greatly reduced, water bodies can not be polluted or damaged due to the fact that the raw materials are natural, and the bait feed is very environmentally friendly.

The invention discloses a herring bait with bacteriostatic effects. The herring bait with the bacteriostatic effects is mainly composed of auxiliary materials, a bacteriostatic ingredient, and activeingredients; the bacteriostatic ingredient is oxytetracycline; the active ingredients comprise the following components in parts by weight: 5-10 parts of cis-butenedioic acid, 2-20 parts of peptides,10-30 parts of Chinese angelica roots, 3-20 parts of radix astragali, 8-40 parts of poria cocos, 5-30 parts of radix bupleuri, and 1-3 parts of compound vitamins; and the weight ratio of the auxiliarymaterials to the bacteriostatic ingredient to the active ingredients is 100 to 1 to (1-1.5). A preparation method of the herring bait with the bacteriostatic effects comprises the following steps ofpuffing the auxiliary materials; mixing the puffed auxiliary materials with the bacteriostatic ingredient and the active ingredients; and carrying out granulation so as to obtain the herring bait withthe bacteriostatic effects. The herring bait with the bacteriostatic effects is capable of significantly reducing oxytetracycline residues in the herring body, as well as accelerating metabolic rateof the oxytetracycline in the herring body; moreover, the auxiliary materials are puffed so as to improve adsorption capacity of the auxiliary materials so that the auxiliary materials can be effectively combined with antibiotics and the active ingredients, and thus, metabolic rate of the antibiotics in the herring body is further accelerated. The herring bait with the bacteriostatic effects is highly targeted that the herring bait is only suitable for herring raising; and no significant effects have been seen in fishes of other types. The herring bait with the bacteriostatic effects is suitable for extensive popularization and application in the aquaculture industry of the herrings.

The invention relates to pellet-shaped bait fodder for carp, grass carp and black carp and a preparation method thereof. The pellet-shaped bait fodder comprises pellet cores, and the preparation method comprises the steps that syrup is sprayed on the surface of each pellet core, and syrup layers are formed; the surface of each syrup layer is wrapped with dried fly maggots; the pellet cores are made of fly maggot powder, snail meat powder, sweet potato powder, potato flaky powder and soybean protein powder; the raw materials are subjected to pellet making, screening, curing, syrup spraying, dried fly maggot wrapping, sieving, drying, cooling and packaging, and the fodder is obtained. The bait fodder is of a multi-layer material structure, so that the interior of each product is provided with multiple waterflow-resistant protective barriers, the fodder can reach the state of underwater release after being placed into water, the fodder spends a longer time in sinking to the bottom, the bait fodder has good luring performance for the carp, the grass carp and the black carp, the effect of combing the luring and fishing can be achieved, meanwhile, as all the fabrication raw materials are natural materials, the materials are quite environment friendly in the using process, and the water body is not destroyed.