31 results about "Fish health" patented technology

The invention provides a feed additive, feed and preparation method thereof for preventing nutritional fatty liver of fish. Optimized compound of choline chloride, bile acid, carnitine, betaine and phospholipids is added into pellet feed for feeding fish, which can obviously reduce the settlement of fat in liver of fish caused by nutrient induction, avoid the generation of fatty liver diseases and promote the healthy growth of fish.

The invention provides a feed additive for preventing grass carp nutritional fatty liver. The feed additive is prepared from the following raw materials by weight percent: 45 to 65% of traditional Chinese medicine fermentation extract, 15 to 25% of choline chloride, 10 to 20% of L-carnitine and 5 to 10% of vitamin, wherein the traditional Chinese medicine fermentation extract is mainly prepared byfermenting herba houttuyniae, dendrobium officinale kimura ex migo, radix astragali seu hedysari, fructus crataegi and pericarpium citri reticulatae. The additive can be directly added into fish feeds, can maintain a normal physiological function of a liver tissue, can perform nutrition regulation on fat metabolism and finally prevents liver and gall syndromes to guarantee fish health.

The invention discloses a fish feed prepared from biogas residue prepared from pig manure, straw, and melon and fruit peel, and a preparation method thereof. According to the preparation method, pig manure is subjected to harmlessness processing; the fish feed is prepared from biogas residue obtained via biogas fermentation, and is used for fish farming; so that environmental pollution caused by pig manure is avoided, and novel feed resources and processing methods are provided for breeding industry. The fish feed is used for fish farming, and is capable of promoting absorption and utilization rate of fish on nutrients, increasing feed conversion rate, improving fish health, promoting fish growth, reducing culturing investment, and saving fund.

The invention relates to a feed additive for fishes and a preparation method thereof. The feed additive for fishes consists of the following components: acanthopanax, polysaccharides from poria cocos mycelia, hippophae rhamnoides sinensis, sodium acetate, acetic acid, bamboo vinegar, potassium sorbate, bile acid, lysine sodium and wheat middling. The invention also provides a method for preparing the fish feed. The fish feed additive disclosed by the invention has the advantages that the immunity of the fishes is enhanced, the survival rate is increased, the incidence rate is reduced, the attractant effect is improved, the healthy growth of the fishes is promoted and the like. Particularly, the feed additive disclosed by the invention can be matched with any fish feed, the fish feed can be prevented from mildewing and deteriorating for a long time, the components interact with one another, and digestive absorption of the fish is promoted, so that the fish meat is tasty and delicious.

The invention discloses an intelligent sensing aquatic system. The aquatic system comprises a light sensing scanning module, a center control module and an action inducing module. The light sensing scanning module is used for detecting the approaching of an object, and notifies the center control module when detecting that the object is approaching; the center control module is used for controlling the action inducing module to send a signal for guiding the aquatic animals to gather when receiving the notification of the light sensing scanning module; and the action inducing module is used for sending the signal for guiding the aquatic animals to gather under the control of the center control module. Man-machine interaction behaviors related to the technical scheme in the invention enable an aquarium body to be able to carry out feeding simulation and smell generation to induce the aquatic animals to gather, thereby, on one hand, preventing influence of the actual feeding behavior on fish health and aquarium environment, and on the other hand, increasing the joy of life through the intelligent interactive experience.

The invention is suitable for the technical field of rice product processing, provides a method for preparing a fish feed from rice bran and rice processing crushed aggregates, and solves the problems that crude fibers contained in raw materials of a feed prepared by an existing preparation method are not easy to digest by fishes, and the health of the fishes is harmed; the method comprises the following steps: obtaining a mixed component A containing a rice product, pretreating the mixed component A, then harvesting fresh rice, performing cutting treatment by using a chopping machine, then weighing rice straws which are 2 times of the mass of the mixed component A, performing airing treatment, adjusting the water content to be 50-60% in percentage by mass, and doping the rice straws with the mixed component A to obtain a mixed component C for later use; according to the method for preparing the fish feed from the rice bran and the crushed rice, the raw material formula is scientific and reasonable, the flavor is unique, the preparation method is reasonable, the feed additive and the mildew preventive are added, the quality of the prepared feed can be guaranteed, and eating and absorption of fishes are facilitated.

The invention relates to the field of biotechnology, and discloses an automatic feed feeding and water changing device for fish breeding. The automatic feed feeding and water changing device for fishbreeding comprises a fish tank, wherein a top cover is rotatably in clamping connection to the rear wall of the fish tank; a feed storing box is fixedly mounted at the upper part of the top cover; a sliding groove is formed in the rear wall of the fish tank; a mounting block is fixedly connected to the inner part of the left end of the sliding groove; a power shaft is rotatably mounted in the mounting block; and two supporting rods are rotatably in clamping connection to the inner part of the sliding groove. According to the automatic feed feeding and water changing device for fish breeding disclosed by the invention, the sliding groove, the mounting block, a power shaft, the supporting rods, folding gears, a linked rod and an arresting barrier are arranged, so that during water changing,fish can be automatically expelled to one corner; a part of old water is reserved, so that the situations that fish is lack of water, and or is unaccommodated with new water can be avoided, and breeding depletion is reduced; and a connecting frame, a cylinder, fixed blocks, connecting rods and a sealing plate are arranged, so that the fish can be automatically fed, labor is saved, the fish can grow healthy, and the economic benefits of a culturist are increased.

The invention relates to an antidote for aquaculture and a preparation method thereof, and belongs to the technical field of aquaculture preparations. The antidote for aquaculture comprises activatedcarbon, titanium dioxide, sodium acetate, sodium silicate, montmorillonite, aluminum oxide, deionized water, anhydrous ethanol, ethyl orthosilicate, photosynthetic bacteria, bacillus, active yeast andnitrifying bacteria. In the detoxification process, beneficial microorganisms (photosynthetic bacteria, bacillus, saccharomycetes, nitrifying bacteria, denitrifying bacteria, thiobacilli and the like) in the aquatic ecological environment are combined with the adsorption effect of nano-carbon, the bottom, under the aquaculture water for a long time, of a pond is cleaned without interrupting the aquaculture process, the water quality can be effectively improved, and reproduction of other harmful bacteria harmful to fish health can be restrained.

The invention provides green and healthy sea fish feed, which is prepared from the following components in parts by weight: 20-40 parts of flour, 15-30 parts of earthworm powder, 15-20 parts of silkworm chrysalis meal, 10-15 parts of white sugar, 8-15 parts of vitamin C, 1-3 parts of trace elements, 1-3 parts of flavorant, 0.3-0.7 part of dietary fiber, 10-20 parts of fructus lycii, 0.8-1.5 parts of a complex enzyme preparation, 0.00002-0.00006 part of jamestownweed seed and 0.005-0.008 part of dimethylpropiothetin. The green and healthy sea fish feed has the beneficial effects that the prepared sea fish health care feed is reasonable in nutrient structure, and can meet the demand of sea fish growth for amino acids, vitamins and mineral substances so as to promote the growth of sea fish; furthermore, the sea fish feed also can improve the absorption of the sea fish for nutrient substances and the trace elements of the feed, so that the feed utilization rate of the sea fish is improved; the sea fish feed can improve the immunity, and is free from antibiotics, thus enabling the sea fish not to have drug resistance and being green and safe; fresh fish bait is replaced with commercially available dry powder, so that the sea fish feed is environment-friendly; furthermore, the green and healthy sea fish feed is not limited by a fishing forbidding period or seasons, and is good in product quality; therefore, the green and healthy sea fish feed can be applied to artificial breeding of the sea fish.

The invention relates to the technical field of aquaculture and discloses a traditional Chinese medicine mixture for treating aquatic fish liver and gallbladder syndrome and a preparation method thereof. The traditional Chinese medicine mixture mainly comprises herba artemisiae scopariae, rheum officinale, curcuma tuber, fructus forsythiae, radix bupleuri, cape jasmine, white peony root, tree peony bark, wrinkled giant hyssop and glucose. The above medicines are complementary. The traditional Chinese medicine mixture has a reasonable traditional Chinese medicine formula, has effects of soothing liver and gallbladder, and clearing away heat and toxins, can effectively treat aquatic fish liver and gallbladder syndrome and solves the problem that the existing chemical drug for treatment on aquatic fish liver and gallbladder syndrome causes water pollution and damages fish health.

The invention relates to the technical field of pet breeding, in particular to a water falling oxygen increasing device for aquaculture. The device comprises a first partition plate (D1), a second partition plate (D2) and water outlet pipes (CSG); micropores (WK) are formed in the periphery of the first partition plate (D1); the micropores (WK) are higher than a liquid flow channel; the center ofthe second partition plate (D2) is closed; the outer surfaces of the lower ends of the water outlet pipes (CSG) are connected with the upper surface of the second partition plate (D2), and the lower ends of pipe cavities of the water outlet pipes (CSG) are connected with the lower surface of the second partition plate (D2); and at least two water outlet pipes (CSG) are arranged. The invention further relates a fish tank filtering system. The water falling oxygen increasing device for aquaculture is connected to a water discharging position of the system. According to the device and the system,the beneficial effects that the oxygenation efficiency is high, the appearance is attractive, and the fish health is facilitated are achieved, and a new technical thought is provided.

The invention discloses a functional traditional Chinese medicine fish bait for promoting gastrointestinal health of fishes. The traditional Chinese medicine fish bait comprises the following components in percentage by mass: 1%-10% of a traditional Chinese medicine compound extracting solution, 35%-45% of corn flour, 25%-35% of wheat middling, 10%-15% of fish meal, 3%-5% of beer yeast, 3%-6% of soybean oil, 1%-2% of soybean lecithin, 1% of calcium carbonate, 0.45%-0.55% of sodium alginate, 0.1%-0.4% of choline chloride, 0.3%-0.6% of mixed vitamins and 0.3%-0.5% of mixed inorganic salt, 0.2%-0.4% of taurine, 0.3% of thiobetaine and 0.3% of ferrous lactate; the traditional Chinese medicine compound extracting solution is prepared by extracting the following components in parts by mass: 15 parts of immature bitter orange stir-fried with bran; 19 parts of rhizoma atractylodis macrocephalae stir-fried with bran; and 8 parts of lotus leaves. The traditional Chinese medicine fish bait provided by the invention not only can improve the stability and utilization rate of the feed, but also can significantly improve the ingestion ability of fishes and promote healthy growth of the fishes.

The invention provides a fish health degree detection method and system based on a flexible bending sensor, and belongs to the field of fish activity detection.The fish health degree detection method comprises the steps that the bending angles of a fish body detection sensor and a fish tail detection sensor at the current moment are obtained, and the current fish body bending angle and the current fish tail bending angle are obtained; the fish body detection sensor is arranged at a fish body position of a to-be-detected fish, and the fish tail detection sensor is arranged at a fish tail position of the to-be-detected fish; determining the current swimming amplitude of the to-be-detected fish according to the current fish body bending angle and the current fish tail bending angle; and determining the health index of the to-be-detected fish at the current moment according to the current swimming amplitude. The health degree of the fish is automatically detected in real time.

The invention discloses application of enzymolysis chicken pulp in fresh water carnivorous fish breeding, and belongs to the field of fish feed. The technical scheme is as follows: the water content of the enzymolysis chicken pulp is 40-60%, the protein content is 15-30%, the fat content is 20-30%, and the TVBN content is 100-300mg/100g; the content of the acid soluble protein accounts for 75-100% of the content of the crude protein, the content of the amino acid accounts for 16.03% of the content of the protein, the content of the methionine accounts for 0.42% of the content of the total amino acid, and the content of the arginine accounts for 0.86% of the content of the total amino acid. The freshwater carnivorous fish feed is applied to the aspect of freshwater carnivorous fish feeding, solves the problem that an existing feed cannot provide comprehensive nutritional ingredients for largemouth black perches to a certain extent, and has the characteristics of low production cost, high nutritional value and capability of effectively promoting healthy and rapid growth of freshwater carnivorous fishes.

The invention discloses a bacterial liquid compound for assisting in improving in-vitro bacterial infection of fishes, which comprises the following components in mass-volume ratio: 178.5-258.0 g/L of polyhydroxyalkanoate PHA (polyhydroxyalkanoate); 1.5-2.5 g/L of a nitrogen source; and the balance of essential elements for survival of other microorganisms. Polyhydroxyalkanoate PHA of a specific variety and a specific compounding mass ratio is compounded with a nitrogen source of a specific mass-volume ratio and other necessary elements for survival of microorganisms, all the components are synergistically matched to prepare the bacterial liquid compound, the bacterial liquid compound is applied to the in-vitro bacterial infection process of fishes, and the in-vitro bacterial infection rate of the fishes is increased. The antagonism among different types of microorganisms is adopted, the antagonism on harmful bacteria infected in vitro by fishes is relatively strong, and the harmful bacteria infected in vitro by the fishes can be effectively killed, so that the shelf life of the bacterial liquid compound is effectively prolonged; in addition, no antibiotics enter fish bodies, so that the risk of drug residues is avoided, and the fish health is effectively guaranteed.