43results about How to "Strong attractant effect" patented technology

The invention belongs to the field of aquaculture or feed, relates to a aquaculture feed, and especially relates to an alga immunopotentiation compound feed for litopenaeus vannamei. The invention at first provides an immunity strengthening agent for litopenaeus vannamei feed, and the agent is obtained through enzymatic hydrolysis and fermentation of an alga composite. The alga composite is composed of following components in parts by dried weight: 40 to 50 parts of asparagus, 15 to 25 parts of enteromorpha, 10 to 20 parts of ulva lactuca, 5 to 15 parts of laver and 5 to 15 parts of undaria pinnatifida. The invention further prepares a compound feed for litopenaeus vannamei by utilizing the immunity strengthening agent. The alga immunity strengthening agent contains algae polysaccharide, which has the effect of strengthening animal immunity, acrylic acid, terpenes, brominated phenolic and some sulfocompounds, which have the antiseptic effect, and sulphated polysaccharide, which has the antivirus effect. The litopenaeus vannameis fed on the alga immunopotentiation compound feed have a strong anti-stress performance, the body's immunity ability is improved, survival rate is high and culture benefit is remarkable.

The invention provides a low fish meal compound feed capable of improving ingestion rate of cultured weever. The compound feed consists of the following components in part by weight: 26 to 31 parts of fish meal, 2 to 10 parts of whole shrimp powder, 12 to 16 parts of soy protein concentrate, 8 to 12 parts of fermented bean pulp, 9 to 12 parts of peanut cake, 20 to 23.5 parts of strong flour, 0.8 to 1.2 parts of calcium dihydrogen phosphate, 1.5 to 2 parts of fish oil, 1 to 2 parts of bean oil, 2 parts of vitamin and mineral salt premix, 0.2 to 0.4 part of betaine, 0.3 to 0.5 part of taurine, 0.05 to 0.1 part of citric acid, 0.3 to 0.5 part of Chinese asafetida, 0.1 to 0.2 part of glycine, 0.5 to 1 part of glutamic acid, and 0.05 to 0.12 part of alanine. The low fish meal compound feed canpromote ingestion and food digestion of fish, so that the utilization rate of the feed is improved, the coefficient of the feed is reduced, and the raising cost is reduced.

The invention discloses bait for fishing crucian carp and / or carp and a using method of the bait and is characterized in that the bait comprises the following components in part by weight: 3-10 parts of earthworm meal, 3-10 parts of blood worm meal, 3-10 parts of silkworm chrysalis meal, 3-10 parts of fish meal, 3-10 parts of krill meal, 10-15 parts of maize meal, 5-8 parts of peanut meal, 5-8 parts of soybean meal, 10-15 parts of wheat germ meal, 3-8 parts of wheat protein meal, 20-30 parts of Alpha-starch, 0.5-2 parts of maize essence, 0.5-1 part of fragrant wheat meal, 0.5-2 parts of sodium cyclamate, 0.3-0.5 part of dimethyl-Beta-Dimethylpropiothetin (DMPT) and 0.2-1 part of trimethyl glycine; all that is needed to prepare the bait is milling the materials into powder and then mixing the materials; the bait is mixed with water in the proportion of 1:1, is kneaded to form dough and stands for 5 minutes, and then a user can pick a little dough by hand and hang the dough on a fishhook to fish. The bait has the advantages of high fish collecting speed, good fish trapping and fishing effects and high pertinence.

The invention discloses an expanded floating feed for siniperca chuatsi and a preparation method thereof. A formula of the expanded floating feed for siniperca chuatsi, which is provided by the invention, contains the following substances: chicken powder, cassava starch, euphausia superba powder, rice protein powder, fish soluble protein, pea protein powder, cuttlefish powder, wheat gluten, fermented soybean meal, spray-dried animal blood cells, monocalcium phosphate, bentonite, phospholipid oil, fish oil, fish microelements, fish multivitamin, sodium humate, choline chloride, a mold inhibitor, a vitamin C additive, an antioxidant, inositol and carnitine. The expanded floating feed for siniperca chuatsi, which is provided by the invention, is capable of improving the digestive ability of siniperca chuatsi, obviously promoting weight gain of siniperca chuatsi, increasing the survival rate of siniperca chuatsi, simultaneously maintaining the water quality and improving the body immunity and disease resistance of siniperca chuatsi.

The invention relates to a compound premix for aquatic products. The compound premix is prepared from the following raw materials based on the percentage by mass of air dried substances: 10%-15% of a seaweed organism active extract, 5%-10% of a composite acidifier, 5%-10% of compound probiotics powder and the balance of a carrier. The invention also provides a preparation method. The method comprises the following steps: (1) carrying out superfine grinding on raw materials of the seaweed organism active extract, carrying out ultrasonic-microwave synergistic extraction, filtering, wherein filtrate is taken as an extract liquid, carrying out enzymolysis and fermentation on filter residues, so as to obtain a fermentation liquid, respectively carrying out freeze drying on the extract liquid and the fermentation liquid, and then mixing at the ratio; and (2) carrying out superfine grinding on the carrier, and then evenly mixing the ground carrier with the composite acidifier, the compound probiotics powder and the seaweed organism active extract. According to the premix disclosed by the invention, marine algae resources can be effectively utilized; protease can be secreted; digestive absorption of protein is facilitated; the anti-stress ability and the disease resistance of organisms are enhanced; and the growth speed of aquatic livestock is improved, so that the culture cost is reduced and the culture benefits are significantly improved.

The invention relates to an antibiotics-free premixed material and an antibiotics-free feed for growth and fattening of mutton sheep. The premix material and the feed are advantaged in that by means of cooperative effects among probiotics, enzyme preparations, oregano oil and allicin, a healthy and complete digestion micro-environment is formed in the stomach and intestine, wherein the feed achieves the best digestion rate due to scientifically addition of several substances in proper ratio with other raw materials, thereby further improving health in the stomach and intestine of mutton sheep and increasing growth speed of the mutton sheep. The premix material and the feed are simple in technical method, are safe and reliable and can be used for replacing antibiotics completely.

The invention discloses an anemonefish puffed pellet feed and a preparation method thereof. The anemonefish puffed pellet feed comprises, by mass, 30-60% of fish meal, 7-20% of alpha-starch, 7-15% of acanthaster planci powder, 5-20% of fermented soybean meal, 3-10% of peanut meal, 2-10% of whole shrimp powder, 0.5-2% of oceanic red yeast, 0.5-2% of spiral algae powder, 0.5-1% of garlic powder, 0.5-1% of a special marine fish feeding attractant, 0.5-1% of a mixture comprising a plurality of vitamins, and 0.5-1% of a mixture comprising a plurality of minerals. After the anemonefish puffed pellet feed of the present invention is adopted to feed the anemonefishes, the anemonefishes snatch, the palatability is food, no anorexia circumstance is generated after the long-term feeding, the anemonefishes can grow healthily, the vitality is strong, and the bright body color can be maintained.

The invention provides garlic oil-water solution and a preparation method thereof, relating to a feed additive. The invention provides the garlic oil-water solution which has broad spectrum high-efficiency sterilization effect, can substitute for antibiotic, has seasoning and fool calling functions and can improve feed quality, and a preparation method thereof. The garlic oil water solution is prepared from the following raw materials in percent by mass: 10-15% of garlic essential oil, 30-40% of tween 80, 8-12% of ethyl alcohol and 33-52% of purified water. The garlic essential oil, the tween 80 and the ethyl alcohol are added into a stirrer to be stirred; and the purified water is added into the stirrer, and stirring is carried out, thus the product is obtained.

The present invention discloses a medicinal bait additive for preventing and treating enterocytozoon hepatopenaei of litopenaeus vannamei. The medicinal bait additive comprises the following components in parts by weight: 8-32 parts of marine red yeast powder, 30-75 parts of albendazole, 8-32 parts of spirulina powder and 5-10 parts of garlic powder. The medicinal bait additive is used in a compound feed for the litopenaeus vannamei and has an addition amount of only 6-12%; and the medicinal bait additive can also be mixed with the feed at a weight ratio of 1:10 for feeding before feeding. Themedicinal bait additive uses an internal administration route, so that a medicine internal environment is formed in a host body, the medicinal bait additive is subjected to blood circulation to reachtarget organs and parasites cannot survive. The medicinal bait additive can effectively kill the enterocytozoon hepatopenaei in the litopenaeus vannamei body, is non-toxic to the litopenaeus vannameibody, does not cause medicine residues in the litopenaeus vannamei body, at the same time also does not cause pollution to the breeding environment, and can effectively play a therapeutic role in thediseased litopenaeus vannamei infected by the enterocytozoon hepatopenaei.

The invention provides piglet compound feed, which is prepared from the following raw materials including flour, whey powder, five-corn peptide, hydrolyzed wheat protein, fast blasting soybean, whey protein concentrate, plasma protein powder, glucose, lactose, calcium hydrophosphate, common salt, lysine, methionine, threonine, tryptophan, arginine raw elements, zinc oxide, choline chloride, a product of the Youtell Biochemical Inc., active yeasts, complex vitamin, microecologics, organic trace elements and feed acidifying agents, and belongs to feed with the advantages that the nutrition is comprehensive; digestion and absorption are easy; the nutrition requirements of piglets can be met; the body immunity can be improved; the production performance of the piglets can be improved; the pollution of excrement on environment can be reduced; the feed cost and the culture cost can be reduced. The invention also discloses a preparation method of the piglet compound feed. The technical flow process is simplified; the production cost is low; the large-scale production is convenient.

The invention discloses a high-efficient environmentally-friendly feed for quasipaa spinosa. The high-efficient environmentally-friendly feed is made from the following raw materials and components in percentage by mass: 20-25% of fish meal, 2-10% of chicken meat powder, 1-6% of porcine blood corpuscle protein powder, 1-5% of dried earthworm powder, 2-5% of dried fly larva powder, 10-30% of soybean meal, 18-28% of flour, 1-3% of soybean lecithin, 2-6% of fish oil, 0.6-0.8% of composite vitamins, 1-2% of composite mineral substances, 1-3% of calcium dihydrogen phosphate, 0.1-0.4% of choline chloride, 0.01-0.04% of betaine, 0.01-0.05% of L-carnitine, 0.01-0.04% of bile acid and 0.01-0.02% of phytase. The invention further discloses a preparation method of the feed. According to the feed for the quasipaa spinosa disclosed by the invention, the fermented soybean meal and the phytase are added, so that the coefficient of the feed is reduced; the dosage of the dried earthworm powder, the dosage the dried fly larva powder and the dosage of the betaine are adopted, so that the feed has excellent food-calling effects on the quasipaa spinosa, after being domesticated and raised for a long term, the quasipaa spinosa can be completely adapted to feeding of artificial compound feeds, the water resistance is good, breeding water bodies are not polluted, and the survival rate is increased.

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 discloses a feed capable of promoting growth and resisting stress for longsnout catfish in the later culture stage. The feed comprises, by weight, 12-20 parts of cicada pupa meal, 5-16 parts of bean pulp, 10-20 parts of buckwheat powder, 8-16 parts of walnut powder, 6-12 parts of spirulina meal, 8-16 parts of green vegetable leaf, 4-8 parts of flour, 4-12 parts of modified casein, 3-7 parts of fish oil, 0.5-1.2 parts of choline chloride, 0.5-1.2 parts of bile acid, 1-2 parts of monocalcium phosphate, 0.1-0.25 part of ferric sulfate, 0.3-0.65 part of copper lysinate, 0.2-0.4 part of manganese methionine, 0.2-0.6 part of zinc sulfate, 0.3-0.7 part of magnesium sulfate, 0.2-0.4 part of arginine, 0.2-0.6 part of glutamic acid, 1-2 parts of glycine betaine, 1-3 parts of vitamin and 1-2 parts of Chinese herbal medicine. By the adoption of the feed, growth and development can be promoted, the anti-stress ability and immunity of longsnout catfish can be improved, and the situations of body surface hyperemia, transverse lodging and large-scale death of longsnout catfish between the later culture stage and market selling and transportation are avoided.

The invention discloses an environment-friendly nereis granule compound feed. The environment-friendly nereis granule compound feed comprises the following components: imported white fish meal, soybean meal, rapeseed meal, cottonseed protein, high-gluten flour, fish soluble paste, inkfish paste, bentonite, origanum extract, betaine, allicin, Sanhuang powder, yeast cell wall polysaccharide, bacillus subtilis, calcium dihydrogen phoshate, 98% enveloped lysine, fish oil, phospholipid oil, vitamin premix and mineral premix. According to the environment-friendly nereis granule compound feed, aiming at the life habit of nereis, a special nereis granule compound feed is developed, and is comprehensive and rich in nutrition, boosts the appetite of nereis, improves the digestive absorption rate of nereis, strengthens the nereis physique, improves the nereis immunity, improves the stress resistance of nereis, reduces the diseases, increases the survival rate of nereis and reduces the feed coefficient of nereis; the granule compound feed is suitable for the breeding and the cultivation of nereis succinea, neanthes japonica and perinereis nuntia savigny, and enhances the healthy development of the nereis industry.

The invention discloses a feed additive for a yellow catfish. The feed additive is prepared from the following raw materials in parts by weight: 10-30 parts of seaweed extract powder, 3-8 parts of an adenosine composition, 3-10 parts of fennel powder, 2-7 parts of pericarpium citri reticulatae powder, 2-3 parts of garlic powder, 2-3 parts of spirulina powder, and 0.1-1 part of mineral. The feed additive disclosed by the invention has the benefits that the feed additive is rich in food-calling components; the seaweed extract powder which has the special taste of seaweeds has the strong effect of ingestion stimulation for the yellow catfish, so that the seaweed extract powder is a stimulant for the olfactory nerve of the yellow catfish; adenosine diphosphate, adenosine triphosphate and 5'-adenosine phosphate have a high food-calling effect, so that the feeding frequency of the yellow catfish is increased, and the biting force of the yellow catfish is enhanced; the garlicin which is a natural plant phagostimulant has the high food-calling effect on the yellow catfish, so that the feeding rate of the yellow catfish is increased; the fennel powder and the pericarpium citri reticulatae which are Chinese herbal medicine powder can enhance the immunity of the yellow catfish and have the food-calling effect; the spirulina powder can quickly promote the color increase of the body color of the yellow catfish.

The invention belongs to the technical field of aquatic feeds, and particularly discloses a litopenaeus vannamei feed added with a rhodotorula paludigenum extract. The feed is prepared from, by weight, 38%-45% of crude protein, 6%-10% of crude fat, 15%-30% of total sugar, 7%-15% of ash, 1%-4% of salinity, 1%-3% of total phosphorus, 7%-10% of moisture and 0.1%-2% of rhodotorula paludigenum extract. According to the litopenaeus vannamei feed added with the rhodotorula paludigenum extract, the rhodotorula paludigenum extract adopts a technology of combining enzymolysis and ultrasonication, intermediate reaction conditions are optimized, a cell wall breaking effect is good, operation is simple, convenient and easy to perform, and pollution to environment is less; the feed produced from the formulas is good in palatability, bred litopenaeus vannamei achieves a good growth effect, liver antioxidant enzyme and immune enzyme activities are high, and compared with a feed without a feed group, the litopenaeus vannamei feed added with the rhodotorula paludigenum extract can achieve a better growth effect and improve the immune and oxidation resistance.

The invention relates to fermented boar feed with cassava residues and apple residues as main materials as well as a preparation process thereof. The feed employs wooden fiber as a main material and has nutrient composition which accords with requirements and low cost, Bacillus coagulans is added into the ingredients, and the product has the advantages of gastric acid resistance, high stability and digestion promotion. During preparation of the feed, fermentation technology is employed for carrying out treatment, the prepared feed has strong fermentation fragrance, the feed has high food calling effects for pigling and sow, and the fermented feed reserves value components of the raw materials with easy digestion and absorption.

The invention provides a laying hen feed for producing high-calcium and high-zinc nutrient eggs and a preparation method of the laying hen feed and relates to the technical field of poultry raising. The laying hen feed is prepared from the following raw materials in parts by weight: 50-65 parts of corns, 20-30 parts of soybean meal, 20-30 parts of a peanut cake, 20-30 parts of rapeseed meal, 15-25parts of wheat bran, 8-15 parts of shell powder, 4-10 parts of fish bone meal, 4-10 parts of fructus lycii powder, 1-5 parts of garlic bulb powder, 2-6 parts of lotus leaf powder, 1-5 parts of rhizoma dioscoreae powder, 0.08-0.16 part of vitamin A, 0.1-0.15 part of vitamin D3, 0.06-0.12 part of vitamin B1, 0.12-0.18 part of vitamin B2, 0.05-0.1 part of vitamin K, 0.1-0.5 part of methionine, 0.4-1.2 parts of lysine, 0.1-0.5 part of threonine, 0.5-1.5 parts of zinc gluconate, 0.3-1 part of calcium iodate, 0.5-1.2 parts of sodium chloride and 0.2-0.6 part of a bacillus subtilis preparation. Thelaying hen feed provided by the invention can remarkably increases the contents of trace elements including calcium and zinc in the eggs, is balanced in nutrition, can increase the laying rate of a laying hen and is simple in preparation technology.

The invention discloses a yellow-head catfish meat feed additive which is mainly prepared from the following raw materials in parts by weight: 10-30 parts of algae extract powder, 3-8 parts of an adenosine composition, 3-10 pars of fennel powder, 2-7 parts of tangerine powder, 2-3 parts of garlic powder, 2-3 parts of spirulina powder and 0.1-1 part of mineral substance. The yellow-head catfish meat feed additive disclosed by the invention has the beneficial effects that the feed additive contains rich feeding attraction components, the algae extract powder has special taste of algae, has a strong feeding stimulation effect on yellow-head catfish meat and is a stimulant of the olfactory nerve of the yellow-head catfish meat; adenosine diphosphate, triphosadenine and 5'-adenosine phosphate have strong feeding stimulation effects, and the predatory frequency and biting strength of the yellow-head catfish meat are accelerated; the allicin is a natural plant phagostimulant and has an excellent feeding stimulation effect on the yellow-head catfish meat, and the feeding rate of the yellow-head catfish meat is improved; the fennel and tangerine peel are Chinese herbal medicine powder, can enhance the immunity of the yellow-head catfish meat and have the feeding stimulation effects; and moreover, the spirulina powder can rapidly promote color increase of the body color of the yellow-head catfish meat.

The invention discloses growth-promoting black goat feed. The growth-promoting black goat feed comprises the following raw materials in parts by weight: 15-25 parts of carrot powder, 25-45 parts of gulfweed, 12-20 parts of wheat middling, 8-16 parts of fermented bean meal, 10-20 parts of peanut meal, 4-8 parts of puffed corn germ meal, 4-10 parts of kelp powder, 15-25 parts of waxgourd peel, 3-8 parts of shell powder, 4-9 parts of red insect powder, 4-6 parts of beef tallow, 3-7 parts of corn oil, 10-20 parts of oxidized starch, 4-8 parts of cellulose ether, 6-10 parts of clay lecithin compound, 0.2-0.4 part of lactic acid, 1-1.8 parts of choline chloride, 0.3-0.7 part of lysine, 0.4-0.8 part of glutamic acid, 0.4-1 part of betaine, 1.5-2.5 parts of calcium dihydrogen phosphate, 2-6 parts of Chinese herbs and 0.8-1.5 parts of vitamin.

A medicine for inflammation of stone frog tadpoles and a preparation process thereof. The weight proportion of raw materials is astragalus 9%-11%, Radix Radix 2%-4%, Anemarrhena 2%-4%, Epimedium 3.5%-4.5% %, capillary 1%~3%, rhubarb 1%~4%, turmeric 0.5~1.5%, forsythia 1%~3%, Bupleurum 1%~3%, amoxicillin 17%~23%, electrolysis Multidimensional 8%~12%, enrofloxacin 16%~25%, neomycin sulfate powder 8%~12%, turmeric 8%~12%. The medicine for inflammation of stone frog tadpoles of the present invention improves the functional immunity of the gastrointestinal tract of stone frog tadpoles, promotes the proliferation of probiotics and inhibits harmful bacteria, and can regulate and restore the healthy metabolism of the gastrointestinal tract to the greatest extent during the growth of stone frog tadpoles , fundamentally solve the metabolic problem of stone frog tadpoles.

The present invention relates to a method for preparing phagostimulant for aquaculture animals by utilizing euphausiid, and said method includes the following steps: pulverizing euphausiid, heating, self-dissolving, adding alkali, continuously ehating to make hydrolysis, solid-liquid separation, the obtained liquid is euphausiid protein solution, adding alkali intothe obtained solid euphausiid shell to make deacetylation, separating out solid chitosan, acid-dissolving chitosan to obtain chitosan colloid solution, mixing the chitosan colloid solution and the above-mentioned euphausiid protein solution, after flocculation separating precipitate and vacuum drying so as to obtain the invented product which can raise food intake of animal, raise utilization rate of bait and raise the nutrient level of bait.

The invention discloses bait for sea fishing and a preparation method of the bait. The bait for sea finishing is characterized by comprising, by weight, 10-30 parts of chicken liver meal, 10-30 parts of fish meal, 30-40 parts of krill meal, 10-30 part of alpha-starch, 5-10 parts of guar gum and 1-5 parts of honey. The preparation method of the bait comprises the following steps that the chicken liver meal, the fish meal, the krill meal, the alpha-starch, the guar gum and the honey are adequately and evenly mixed according to the parts by weight, and the mixture is packaged and put into a refrigerator to be frozen. The bait for sea fishing has the advantages of having a special fish luring effect similar to live bait, producing strong luring sense for a fish school near a fishing position, having the strong fish luring effect, and being not prone to dissolving and scattering from a hook, convenient to use, good in effect and capable of achieving industrialized production easily.

The invention relates to fish feed selenium cream and a use method thereof. The fish feed selenium cream is characterized by being prepared by breaking 1 part of eggs, stirring at a high speed, adding 1-3 parts of liquid edible grease, and slowly adding a selenium source when stirring is carried out, thereby obtaining the cream, wherein the selenium source content is 50-400mg / kg in the prepared fish feed selenium cream; the prepared fish feed selenium cream is preserved at 4 DEG C; the selenium source is one or multiple of selenium-enriched yeast, selenoprotein, selenium-polysaccharide and high polymeric selenium plant powder with the selenium content greater than 2000mg / kg, and ultra-polymeric microorganisms and nano-selenium with the selenium content greater than 30000mg / kg. The fish feed selenium cream has the beneficial effects that selenium-enriched fish can be bred after fish is fed with the fish feed selenium cream for 20 days or a longer time continuously before killing, and the selenium content of fish is 0.20-2.0mg / kg (the control selenium content of fish without selenium cream is equal to or lower than 0.20mg / kg, and the eating value and the disease resistance of fish can be improved).

The invention provides a method for capturing portunus trituberculatus cultured in pond, and is characterized in that the head of a table poultry, which is tied on a rope, is close to the bottom of the pond, and the portunus trituberculatus uses pincers to clasp tightly and then can be captured when the head of the carnivorous chicken is lifted out of water and can also be captured selectively according to sexes and sizes. The rope is a polyethylene rope on which floats are added and hung so as to form a float line; the float line is arranged on the water surface of the pond culturing the portunus trituberculatus, the head of the table poultry is drilled through with the polyethylene rope and tied to the float line and sunk to the bottom of the pond. The method is used for capturing the portunus trituberculatus selectively according to the sexes and sizes, has short operation time and can achieve the purpose of avoiding appendage from deforming due to mutual fighting of the portunus trituberculatus in a fixed net and protecting the shrimp which cultured in a mixing mode in culturing pond. By adopting the method, the survival rate of the culturing of the portunus trituberculatus is improved by 20 percent, the complete rate of the appendage of commercial crabs is improved by 30 percent and the economic benefit is obvious.

The invention discloses a yellow catfish feed additive. The yellow catfish feed additive is prepared from, by weight, 10-35 parts of penthorum chinense pursh, 5-40 parts of alga extract powder, 5-40 parts of cortex moutan, 1-15 parts of fennel powder, 5-30 parts of hawthorn fruits, 1-8 parts of spirulina powder, 1-20 parts of galic, 0.01-3 parts of mineral substances, 1-15 parts of pericarpium citri reticulatae powder and 5-10 parts of fructus lycii. According to the yellow catfish feed additive, the raw materials are in reasonable compatibility, deposition of fat in the liver and abdomen of yellow catfish can be remarkably reduced, and the symptoms of the fatty liver and liver edema of yellow catfish can be relieved; the feeding rate of yellow catfish can be remarkably increased, and very good liver protection, and fat liver prevention and treatment effects are achieved on bred yellow catfish. Experiment results indicate that when the feed additive is added into feed for yellow catfish with high fat content at the dosage of 8-12%, the fish liver and body ratio in experiments is reduced by 5-8%, the abdomen fat coefficient is reduced by 2-5%, the liver edema is remarkably relieved, and the food intake is improved by 10-15%.

The invention relates to a fishy snapper bait and a preparation method thereof. The fishy snapper bait comprises the following components of DMPT (dimethylpropiothetin), sodium cyclamate, glycine betaine, soybean meal, conch meal, fish meal, shrimp meal, squid paste, rice bran, flour, fish oil, lysine and methionine. The preparation method of the fishy snapper bait comprises the following steps of grinding all raw materials by a coarse powder grinding machine, and sieving the ground raw materials; repeating the grinding and sieving processes, wherein the particle size of 95% or above of the raw materials can reach 80 to 100 meshes; adding the ground and sieved raw materials into a mixing machine for mixing, and mixing for 3 to 5 minutes; after mixing is completed, naturally lowering the temperature of a mixture, controlling the difference between temperature of material surface and room temperature within 5 DEG C, packaging, and storing. The fishy snapper bait has the advantage that by adding the fishy raw materials, such as fish meal, shrimp meal, squid paste and conch meal, the fishy flavor in water is lasting, and a strong food calling function to snapper is realized; by adding DMPT, glycine betaine and the like, the food grabbing between fishes is improved.

The invention relates to a food-calling jelly-like pig feed. The feed is prepared by the following method: step 1, preparing a cysteine-sugar compound solution, and performing reaction to obtain meat-flavor liquid, wherein a cysteine-sugar compound is formed by compounding cysteine, xylose and nucleic acid; and step 2, mixing the meat-flavor liquid with a gel compound, and then mixing the mixturewith a conventional solid feed to obtain the jelly-like pig feed, wherein the gel compound containing aloe polysaccharides. The feed can enhance immunity, has rich meat fragrance, can improve the feedintake of weaned piglets, and improves the survival rate of the weaned piglets.

The invention belongs to the technical field of feed, in particular relates to a piglet milk replacer and a use method thereof, and aims to solve the problems of ablactation stress and weight loss of piglets. The piglet milk replacer contains the following raw materials in parts by weight: 30-40 parts of rice flour, 30-40 parts of whey powder, 5-10 parts of cane sugar, 5-10 parts of glucose, 0.2-0.5 part of sodium chloride, 1-2 parts of wrapped composite vitamins, 0.1-0.2 part of lysine, 0.05-0.1 part of methionine, 0.02-0.04 part of threonine, 5-10 parts of wheat protein hydrolysate and 5-10 parts of rice enzymatic protein. By adopting the milk replacer and the appropriate use method, the problems that piglets are insufficient in feeding amount after ablactation, the weight is not increased or even reduced after ablactation and the like, are solved, the feeding amount and the daily weight increase of ablactation piglets within three days after ablactation can be increased, and the piglets can live through the ablactation difficulties rapidly.

The invention relates to a leech breeding method, in particular to a leech catching method for artificial breeding. The leech catching method includes the following steps: tightly covering a water surface of water in a breeding pool with an absorbing film, a surface of the absorbing film is coated with a fishy smell pig blood layer, and the absorbing film is covered by a shading black film; a green LED lamp is arranged between the absorbing film and the shading black film. The leech catching method is very simple, and can catch leeches without eliminating aquatic plants in the pool; the pool can maintain an original ecological environment after the leeches are caught, and pollution to water can be avoided in the catching process; the time of attracting and absorbing the leeches is short, the leech catching method will not be affected by the temperature, and even if the water temperature is at a critical freezing point, the absorbing film is covered by dense leeches within 1 hour.