36 results about "Bullfrog" patented technology

The invention discloses an industrial aquaculture management system for antibiotic-free bullfrogs, and belongs to the technical field of aquaculture. The system comprises circulating water antibiotic-free treatment, antibiotic-free seedling cultivation, antibiotic-free cultivation management and a novel drainage vertical pipe system. The circulating water non-antibiotic treatment adopts a closed-loop flow, and antibiotics and ammonia nitrogen are efficiently removed through the working procedures of sewage tank microfiltration, ozone oxidation disinfection, constructed wetland biological photodegradation, aeration tank ammonia nitrogen removal, clean water tank plant bacterium adding purification reflux and the like; a staged plant nutrition and probiotic feeding mode is adopted for antibiotic-free seedling cultivation; the antibiotic-free cultivation management realizes antibiotic-free cultivation through density control, water quality and water temperature regulation and control, scientific feeding and animal health care; the novel drainage vertical pipe adopts a circular hole and vertical seam structure to prevent blocking. According to the method, whole-course antibiotic-free breeding is achieved, the survival rate in the seedling stage reaches 80% or above, the adult frog breeding period is about 120 days, the product is free of antibiotic residues, the national environmental protection and food safety specifications are met, and an efficient solution is provided for factory-like antibiotic-free bullfrog breeding.

The application provides a digital PCR kit for detecting highland invasive species red-eared slider and bullfrog, a set of red-eared slider specific primer probes, which are composed of a primer pair for a specific segment of a red-eared slider mitochondrial CYTB gene and a red-eared slider specific TaqMan probe matched therewith; a set of bullfrog specific primer probes, which are composed of a primer pair for a specific segment of a bullfrog mitochondrial 12S rRNA gene and a bullfrog specific TaqMan probe matched therewith, and a set of internal standard (IPC) primer pairs and internal standard TaqMan probes for monitoring the nucleic acid extraction and amplification reaction process monitoring. The application is provided with the primer pair for the specific segment of the red-eared slider mitochondrial CYTB gene and the red-eared slider specific TaqMan probe, the primer pair for the specific segment of the bullfrog mitochondrial 12S rRNA gene and the bullfrog specific TaqMan probe, and a common internal standard to construct a triple detection reaction system, thereby avoiding the quantitative uncertainty caused by the single species detection in the prior art which needs to be carried out in multiple reactions or relies on a standard curve for relative quantification.

The utility model discloses an incubation device for giant spiny frogs, which belongs to the technical field of giant spiny frog incubation and comprises a shell, an empty groove is arranged in the middle of the shell, a first suspension plate, a partition plate and a second suspension plate are sequentially arranged in the empty groove from top to bottom, an extension plate is arranged on one side of the partition plate, and first movable grooves are arranged on the outer side of the shell. A supporting plate is movably arranged in the first movable groove, the supporting plate abuts against the bottom of the second suspension plate, a first incubation hole is formed in the first suspension plate, and a cavity is formed between the partition plate and the shell; by arranging the first incubation holes and the second incubation holes, giant spiny frog eggs are placed in the first incubation holes of the first suspension plate, the movement range is limited, energy consumption is reduced, the partition plate is moved through gear and rack transmission, the connecting holes are aligned with the incubation holes, tadpoles autonomously move into the second suspension plate, and the incubation holes are switched. The growth and development requirements of different stages can be conveniently met.

The invention relates to a feed additive for improving the muscle quality of bullfrogs and application of the feed additive. The additive is prepared from broad beans, radix scutellariae, rhizoma coptidis and radix et rhizoma rhei. According to the research, broad beans can remarkably improve the muscle quality of bullfrogs, meanwhile, radix scutellariae, rhizoma coptidis and radix et rhizoma rhei are added, so that potential negative effects of the broad beans on the bullfrogs can be remarkably improved, the digestion ability of the feed is improved, and the survival rate and the weight gain rate of the bullfrogs are kept. Therefore, the invention provides a special feed additive for directionally improving the meat quality and taste of bullfrogs, which can realize collaborative optimization of quality-growth-health, and has important application value for high-quality green breeding of bullfrogs.

The utility model discloses a kind of bulking devices for bullfrog feed production, comprising: box, its bottom is set as opening, both sides are fixedly connected with L-shaped support;Base is connected in the bottom of two L-shaped supports;Steam dispersion enters component, is communicated and fixed in the left side of box;Round pipe, is communicated and fixed in the top of box.The utility model is provided with a series of structures, can be pre-crushed to caking raw material when bullfrog feed raw material is added Handle, and by stirring cooperation dispersed feed high-temperature steam mode, ensure the uniform effect of contact between feed and steam, to ensure the drying and curing speed of feed, and it is convenient to directly overall remove large-area shielding to box bottom after curing, to facilitate drying and curing feed directly with large-area passage mode Anti-blocking fast smooth discharge work, avoid the phenomenon that existing small-bore discharge pipe is easy to block, feed is difficult to discharge and discharge efficiency is low, improve discharge efficiency and stability.

The utility model discloses dandelion feed raw material fine pretreatment equipment for bullfrog culture, which comprises a bottom plate, a supporting plate is welded on the upper end face of the bottom plate, a moving mechanism is arranged in the supporting plate, an electric telescopic rod is arranged on the lower end face of the moving mechanism, the output end of the electric telescopic rod is fixedly connected with a connecting frame, and the connecting frame is fixedly connected with a motor. A cleaning frame is welded to the lower end face of the connecting frame, a through hole is formed in the cleaning frame, a connecting plate is welded to the front end face of the bottom plate, a water tank is welded to the upper end face of the connecting plate, a pump body is welded to the upper end face of the water tank, and a water guide pipe is welded to the rear end face of the pump body; the water guide pipe extends into a flow guide groove formed in the cleaning box. According to the fine pretreatment equipment for the raw materials of the dandelion feed for bullfrog culture, by arranging the cleaning mechanism, an operator can clean the dandelion raw materials more conveniently, soil, impurities and pesticides remaining on the surfaces of the dandelion raw materials are effectively removed, and the quality of the feed is improved.

The utility model relates to the technical field of particle conveying equipment, in particular to particle moisture-proof conveying equipment for bullfrog breeding feed, which comprises a conveying belt and a support, a plurality of rotating rollers are rotatably mounted on the support, the conveying belt is sleeved on the rotating rollers, an arc-shaped baffle is fixedly mounted on the support above the conveying belt, and the arc-shaped baffle is sleeved on the rotating rollers. Guardrail frames are arranged on the two sides of the conveying belt. A dispersing mechanism is arranged at one end of the guardrail frame and arranged above the surface of the conveying belt. Pellet feed is scattered by the scattering mechanism at the front end position, so that the feed is spread and scattered, the feed is prevented from being stacked together in the transportation process, drying and dehumidification are facilitated, continuous heating is conducted in the whole process, the humidity of the feed output from the rear end is small, and the damp-proof effect on the feed is achieved; the dried feed can effectively avoid breeding of bacteria and the like, and feed safety is guaranteed.

The application discloses an antibacterial peptide derived from the skin of bullfrog and application thereof, and the amino acid sequence of the antibacterial peptide is GSVGPVGPR (as shown in SEQ ID NO:1), and the molecular weight is 824.4504 g / mol. The antibacterial peptide has obvious inhibiting effect on Staphylococcus aureus, and can be used for preparing a medicine for preventing or inhibiting Staphylococcus aureus infection. Meanwhile, the antibacterial peptide and vitamin A have a significant synergistic bactericidal effect on Staphylococcus aureus. The antibacterial peptide and vitamin A can significantly reduce the use concentration of single component, improve the antibacterial efficiency, overcome the bacterial drug resistance problem, and can be used for preparing antibacterial medicines, skin external preparation, medical dressings, feed additives and food preservatives.

The utility model discloses a feed particle sorting structure for bullfrog breeding, which belongs to the technical field of feed production and comprises a sorting cylinder, a fixed top plate is rotatably mounted on the sorting cylinder, a fixed support is fixedly mounted on the sorting cylinder, and a fixed bottom plate is in threaded connection with the sorting cylinder; the sorting structure comprises a multi-stage sorting filter screen fixed to the fixed top plate, a motor is fixedly installed on the fixed support, the output end of the motor is fixedly connected with a rotating rod, a fixed gear is fixedly installed on the rotating rod, and the side wall of the fixed top plate is fixedly sleeved with a fixed gear ring meshed with the fixed gear. And the fixed top plate is rotationally connected with a connecting shaft. According to the bullfrog sorting device, multi-stage sorting can be carried out on feed, feed particles of different sizes are separated, and the feed particles of different sizes are separated through the partition plates, so that the feed is collected more easily, the quality of the feed is improved, and bullfrog breeding is facilitated.

The application discloses a feed for feeding bullfrog, which comprises photosynthetic bacteria, pseudomonas chlororaphis, bacillus amyloliquefaciens and protein hydrolytic enzyme; the sugar component comprises fructose and glucose; the bone source component is bovine bone powder; and the auxiliary nutritional component is at least one selected from vitamin premix, mineral premix and amino acid premix. The formula is scientific and reasonable, and the feed is comprehensive and balanced in nutrition. The biological bacteria, sugar, bone source and various auxiliary nutritional components synergistically act to meet the requirements of bullfrog at various growth stages. The added biological bacteria and enzymes can improve the digestion and utilization rate, reduce the nutrition waste and breeding cost. The antioxidant and the mildew-proof agent guarantee the good storage performance of the feed, prolong the shelf life and ensure the edible safety. The raw materials and production are strictly controlled, the biological safety is enhanced, and the disease risk is reduced.

The utility model discloses an ingredient pulverizer for bullfrog feed production, which belongs to the technical field of ingredient pulverizers, and comprises a pulverizer body, a hopper, a pulverizing structure and a discharge pipe, the pulverizing structure is arranged on the pulverizer body, the hopper is arranged on the pulverizing structure, the discharge pipe is arranged on the pulverizer body, and the discharge pipe is arranged on the pulverizer body. A fixed plate is fixedly connected to the discharging pipe, a threaded ring is fixedly connected to the fixed plate, the threaded ring is fixedly connected to the outer side wall of the discharging pipe, the discharging pipe is sleeved with a locking ring, a thread is arranged on the inner side wall of the locking ring, and the locking ring is in threaded connection to the threaded ring. One end of the locking ring abuts against the fixing plate, a positioning ring is fixedly connected to the locking ring, a positioning groove is formed in the fixing plate, and the positioning ring abuts against the interior of the positioning groove.

The utility model discloses a tail water treatment device for cultivation, which relates to the field of tail water treatment and comprises a treatment box of a hollow structure. The control panel is arranged on one side of the treatment box; the water outlet pipe is arranged at the bottom of the other side of the treatment box; the water inlet pipe is arranged at the top of the treatment box, and a plurality of sprinkler heads are arranged at the bottom end of the water inlet pipe in the treatment box; the separation assembly is arranged in the treatment box and is used for separating impurities contained in the tail water; the jet flow assembly is arranged in the treatment box, matched with the separation assembly and used for fully fusing tail water and air, and the collection opening is formed in one side of the treatment box and matched with the separation assembly. According to the bullfrog tail water treatment device, impurities in bullfrog tail water are separated from liquid, meanwhile, the impurities attached to the screen are automatically removed and collected, the bullfrog tail water is fully fused with oxygen and a water purifying agent in a jet flow mode, and the treatment effect of the bullfrog tail water is enhanced.

The invention provides a bullfrog feed composition added with vitamin A and application of the bullfrog feed composition. The bullfrog feed composition comprises the following components: 40-60% of a protein source, 30-40% of a carbon water source, 6-12% of a fat source and the balance of an additive, in the additives, a mineral supplement accounts for 1-7% of the total weight of the bullfrog feed composition, and a vitamin supplement accounts for 0.1-5% of the total weight of the bullfrog feed composition; the vitamin A level of the bullfrog feed composition is 2,000 IU / kg to 16,000 IU / kg. The bullfrog feed composition is used for bullfrog breeding, can accelerate growth and metamorphosis development of bullfrog tadpoles, shorten the breeding period and improve the uniformity and yield of seedlings on the premise of guaranteeing basic nutrition supply and health maintenance, so that the overall production efficiency and economic benefits are improved, and the bullfrog feed composition has definite practical value and wide popularization prospects.

The invention provides a frozen bullfrog composite non-phosphorus water-retaining agent as well as a preparation method and application thereof, the water-retaining agent is prepared by self-assembling silk fibroin nanofiber bundles and microcrystalline cellulose / modified oat beta-glucan micron support columns under the driving of dry honey powder and cooperating with blood cell powder, aldehyde pectin and other functional components. The water-retaining agent can be effectively embedded into bullfrog muscle tissues, and large ice crystal damage is inhibited through physical support and anti-freezing protection in the freezing storage stage; through elastic filling, gel network and covalent anchoring effects in the unfreezing and cooking stages, juice loss is remarkably reduced, protein oxidative denaturation is prevented, meat tenderness is maintained, water retention and color protection effects are achieved, and the technical problems that a traditional phosphate water-retaining agent is high in health risk and quality degradation is caused by conventional freezing are solved.

The invention discloses a viscera taking-out device for bullfrog dissection, and belongs to the field of bullfrog processing equipment. The device comprises a shell, a fixed mounting disc and a movable mounting disc are arranged in the shell, viscera taking-out stations are arranged on the fixed mounting disc and the movable mounting disc correspondingly, a grabbing mechanism is arranged below the viscera taking-out stations on the fixed mounting disc, and the grabbing mechanism comprises a direction adjusting motor; the output end of the direction adjusting motor is fixedly connected with a lifting air cylinder, the output end of the lifting air cylinder is fixedly connected with a grabbing clamping jaw, and a waste receiving assembly is arranged below the grabbing mechanism. According to the grabbing mechanism, full cleaning of internal organs in bullfrog body cavities is achieved by means of the grabbing mode that the grabbing clamping jaws draw close and gather from the two sides to the middle during working, the lifting air cylinder and the grabbing clamping jaws are driven to turn over by arranging the direction adjusting motor in a matched mode, fixed-point discharging of the grabbed internal organs is achieved, and the working efficiency is improved. The pollution to the mechanical structure of the device caused by viscera flying is avoided.

The invention relates to the technical field of bullfrog breeding, in particular to bullfrog breeding equipment which comprises a three-dimensional breeding cabin, a control system, an energy supply system, a water level adjusting system and a grading system. A cabin door is movably connected to one side of the three-dimensional breeding cabin, and a first sliding groove is formed in one side of the three-dimensional breeding cabin. The grading system comprises a bottom-layer dense net, a partition plate and a grading dense net which are arranged from bottom to top; the partition plate is slidably mounted in the three-dimensional culture cabin through a first chute; the interior of the three-dimensional breeding cabin is divided into a tail water collecting pond, a first-stage breeding pond and a second-stage breeding pond from bottom to top through a bottom-layer dense net and a grading dense net. The energy supply system and the control system are in communication connection with the water level adjusting system, and the water level adjusting system is used for adjusting the water levels of the first-stage culture pond and the second-stage culture pond. By means of the bullfrog sorting device, bullfrogs can be bred in a classified mode according to specifications, labor intensity is relieved, sorting time is shortened, and stress and physical damage to the bullfrogs are reduced.

The invention relates to the technical field of microorganisms, in particular to lactobacillus reuteri and application thereof. The Lactobacillus reuteri is Lactobacillus reuteri ZAAS002, and is preserved in the General Microbiological Culture Collection Center of the China Committee for Culture Collection of Microorganisms on October 24, 2025, and the registration number of the preservation center is CGMCC (China General Microbiological Culture Collection Center) No.36328. The Lactobacillus reuteri is Lactobacillus reuteri ZAAS002. The lactobacillus reuteri produced by the lactobacillus reuteri ZAAS002 disclosed by the invention has an excellent antibacterial effect on staphylococcus aureus and escherichia coli; the bullfrog feed additive can significantly improve growth, increase bullfrog weight gain rate and specific growth rate, and reduce death rate, and is a good strain as a growth-promoting probiotic in bullfrog culture.

The invention relates to the technical field of medicinal breeding of special insects, in particular to a method for improving zinc absorption and anti-inflammatory components of maggots, which comprises the following steps: preparing bullfrog-poria cocos-herba epimedii fermented feed; on the basis of the fermented feed, three-generation continuous directional feeding and screening are carried out on maggots, low zinc stress is applied to the first generation, individuals with optimized zinc transport related capacity are screened, LPS inflammation stress is applied to the second generation, and individuals with optimized anti-inflammation related capacity are screened. Applying drying stress to the third generation, and screening the individuals with the zinc content and the anti-inflammatory peptide expression quantity reaching the standard; through the three generations of screening, a maggot population with stable zinc content and stable anti-inflammatory peptide expression quantity is obtained. Through a specific fermented feed formula and a multi-generation directional breeding technology, the zinc enrichment capacity and anti-inflammatory efficiency of maggots are effectively improved, and the maggots become biological resources suitable for the fields of nutritional supplement and medical treatment.

The invention discloses a bullfrog meat composite water retention processing technology based on ultrasonic treatment, which comprises the following steps: peeling bullfrogs, removing internal organs, cleaning, cutting into blocks, carrying out ultrasonic treatment, soaking in a plant extract, soaking in a film coating solution after soaking, and finally carrying out freezing film fixation and hot air drying to obtain a water retention bullfrog product. Wherein the plant extracting solution is composed of alginate, konjac glucomannan and water, and the film covering solution is a chitosan or zein film solution. The meat quality of bullfrogs is accurately regulated and controlled by adopting ultrasonic treatment, plant extract soaking and edible film covering technologies, the water retention capacity of the product is improved, and the consistency and stability of the product quality are ensured.

The invention discloses an antibacterial peptide derived from bullfrog skin and application of the antibacterial peptide. The amino acid sequence of the antibacterial peptide is GSVGPVGPR (as shown in SEQ ID NO: 1), and the molecular weight of the antibacterial peptide is 824.4504 g / mol. The antibacterial peptide disclosed by the invention has an obvious inhibiting effect on staphylococcus aureus and can be used for preparing a medicine for preventing or inhibiting staphylococcus aureus infection. Meanwhile, when the antibacterial peptide and the vitamin A are combined for use, the antibacterial peptide shows a remarkable synergistic bactericidal effect on staphylococcus aureus, and when the antibacterial peptide and the vitamin A are combined for use, the use concentration of a single component can be remarkably reduced, the antibacterial efficiency is improved, and the problem of bacterial drug resistance is solved; the compound can be used for preparing antibacterial drugs, skin external preparations, medical dressings, feed additives and food preservatives.

The invention discloses an intelligent recognition system for abnormal behaviors of bullfrogs, and relates to the technical field of intelligent breeding and computer vision. Comprising the steps that a multi-mode sensing unit synchronously collects various environment parameters of a culture pond; the edge calculation unit carries out real-time bullfrog individual detection on the video stream, tracks and extracts a primary motion track; the core analysis engine receives the data and calculates a three-dimensional behavior quantization vector of each individual, and the vector is composed of a behavior activity index, a posture consistency deviation degree and a social contact stress coefficient; constructing a self-adaptive baseline model driven by the water temperature and the illumination period, and establishing a normal behavior probability distribution reference system in different environment states; a comprehensive anomaly degree is obtained by calculating a mahalanobis distance between a real-time behavior vector and a corresponding baseline, and multi-level fusion decision is carried out by combining matching of a deviation direction and a preset anomaly mode library and time domain persistence verification, so that judgment and classification of abnormal behaviors are completed; and the early warning terminal receives and visualizes the anomaly detection result.

The raw material cleaning structure based on the bullfrog feed comprises a cleaning tank, a fixing plate is fixedly installed on the inner side of the cleaning tank, a cleaning basket used for containing raw materials is arranged in the middle of the fixing plate, and an ultrasonic generator is fixedly installed on the side wall of the cleaning tank; a water injection pipe is fixedly mounted at the upper end of the cleaning tank through a mounting part, a water pump is fixedly mounted at the lower end of the cleaning tank, a water supply pipe is fixedly mounted at the output end of the water pump, a water drainage pipe is fixedly mounted at the input end of the water pump, and the water drainage pipe is communicated with the cleaning tank. According to the ultrasonic cleaning device, impurities attached to the surfaces and the interiors of raw materials can be fully removed through the ultrasonic generator, in addition, cleaning water can be filtered and reused through the filtering assembly, waste of water resources is reduced, impurities can be conveniently cleaned, and therefore cleaning time and labor cost are saved.

This invention discloses an automatic feeding device for bullfrog farming, relating to the field of bullfrog farming technology. It includes a mixing tank with a feed hopper fixedly connected to one side. Multiple support rods are fixedly connected to the bottom of the mixing tank, and fixed cylinders are fixedly connected to the upper ends of the support rods. A first servo motor is detachably connected to the top of the mixing tank. The output shaft of the first servo motor is detachably connected to a first rotating rod, and a fixed ring is fixedly connected to the outer surface of the first rotating rod. Multiple first fixed rods are fixedly connected to the outer surface of the fixed ring, and two scrapers are fixedly connected to the lower ends of the first fixed rods. This automatic feeding device for bullfrog farming provides uniform and residue-free mixing, wide and even feeding coverage, precise control of feeding amount and range, fully automated feeding, reduced labor costs, improved farming standardization and efficiency, adaptability to humid environments, long service life, easy disassembly and maintenance of components, and reduced operating costs.

The utility model belongs to the technical field of anti-adhesion, and particularly relates to anti-adhesion production equipment for bullfrog feed, which comprises an air cylinder, the driving end of the air cylinder is fixedly connected with a supporting block, the outer side wall of the air cylinder is fixedly connected with a first connecting frame, and the right side wall of the supporting block is fixedly connected with a second connecting frame. A feed plate is arranged in the first connecting frame. The surface of the feed plate is brushed with polytetrafluoroethylene, and an anti-sticking mechanism is arranged in the second connecting frame and comprises an oil brushing cylinder. The device has the advantages that the polytetrafluoroethylene is brushed on the surface of the feed plate, and the adhesion phenomenon between feed and the feed plate is effectively reduced by utilizing the non-stickiness of the polytetrafluoroethylene. Meanwhile, an oil brushing barrel in the anti-sticking mechanism can drive a connecting sliding rod, a rotating barrel, a fixed rod, a rotating rod and other parts through a sliding block under the meshing effect of an irregular gear driven by a motor and convex teeth, so that the oil brushing barrel reciprocates above the feed plate, anti-sticking oil is uniformly brushed, and the feed adhesion is further prevented.

The utility model is applied to the technical field of breeding tail water treatment, and discloses a bullfrog breeding tail water treatment device which comprises a transfer base, treatment frames are fixedly arranged on the two sides of the transfer base, sedimentation water purification mechanisms are arranged on the surfaces of the treatment frames, and efficient purification of tail water of a frog field is achieved through planting of aquatic plants and natural sedimentation of impurities. The sedimentation water purification mechanism comprises a flow guide channel and a connecting channel, the flow guide channel and the connecting channel are fixedly arranged on the upper surfaces of the two ends of the treatment frame respectively, a receding groove is formed in the side surface of the treatment frame, one end of a discharging channel penetrates through the lower end of the receding groove, and the other end of the discharging channel penetrates through the outer side surface of the treatment frame. According to the bullfrog breeding tail water treatment device, the collaborative design of the continuous S-shaped flow guide channel, the connecting channel and the treatment channel is adopted, the natural precipitation efficiency is improved by prolonging the tail water retention time, and physical precipitation and biodegradation can be synchronously achieved in cooperation with a biological purification system formed by aquatic plant planting.

This invention provides a method for controlling the rotation speed of an automatically adjustable screw conveyor for multi-layer bullfrog feed dispensing in a breeding tank. By using sensors to collect the number and range of bullfrog jumps before feeding, and connecting the sensors to a computer to generate images and data, the activity level of the bullfrogs is analyzed from the images and data. Simultaneously, combined with the bullfrog weight obtained from the sensors, a comprehensive analysis is performed to determine the appropriate amount of bullfrog feed to be dispensed. Based on this quantitative analysis, precise feeding of the bullfrogs is achieved, solving the problem that existing technologies relying on breeding experience or traditional feeding machines often result in insufficient or excessive feeding.

This invention provides an automated three-dimensional bullfrog farming device and method, comprising a vertically arranged farming frame supporting the entire farming device. Multiple layers of farming troughs are installed inside the farming frame along its height, each layer containing a ramp structure, and a sludge collection trough is installed around the ramp structure. A spiral feed dispensing system is installed from top to bottom at the center of the multiple farming troughs and automatically feeds the bullfrogs by rotating. A movable base is installed at the top of the farming frame, and a solar panel is installed on top of the movable base. A frame isolation net is installed around the farming frame. A water supply system and a sewage discharge system are connected to the farming troughs. This device automates bullfrog farming, utilizes three-dimensional farming, and occupies a small area. Using solar panels as a power source effectively reduces energy consumption, thereby lowering subsequent farming costs. Furthermore, the rotating feeding method makes the feeding process convenient and quick.

The invention provides a bullfrog feed composition added with tryptophan and application of the bullfrog feed composition. The bullfrog feed composition comprises the following components in percentage by weight: 40-60% of a protein source, 20-30% of a carbon water source, 6-15% of a fat source and the balance of an additive, in the additives, a mineral supplement accounts for 1-7% of the total weight of the bullfrog feed composition, a vitamin supplement accounts for 0.1-5% of the total weight of the bullfrog feed composition, and an amino acid supplement accounts for 1-15% of the total weight of the bullfrog feed composition; the tryptophan level of the bullfrog feed composition is 0.20%-0.60%. The bullfrog feed composition is used for bullfrog breeding, can accelerate growth and metamorphosis development of bullfrog tadpoles, shorten the breeding period and improve the uniformity and yield of seedlings on the premise of guaranteeing basic nutrition supply and health maintenance, so that the overall production efficiency and economic benefits are improved, and the bullfrog feed composition has definite practical value and wide popularization prospects.

The application belongs to the technical field of biology, and provides a bullfrog protein peptide with antioxidant activity and a preparation method and application thereof, wherein the method comprises the following steps: carrying out decolorization on pretreated bullfrog offal to obtain decolorized offal; washing the crude protein obtained after defatting treatment and normal-temperature stirring; adding a reaction medium and a protease for enzymolysis; and separating soluble peptides after inactivation, and freeze-drying to obtain solid protein peptides. The bullfrog whole offal is prepared through decolorization, defatting and enzymolysis, which is simple, efficient, improves the utilization of protein resources, and is convenient for industrial application. When the bullfrog protein peptide is applied to the feed of Lateolabrax maculatus, the antioxidant capacity and growth performance of the Lateolabrax maculatus can be improved. When 1% of the bullfrog protein peptide is added, the CAT and SOD activities of the Lateolabrax maculatus are increased by 40.72% and 51.94% respectively compared with a control group. When 0.5% of the bullfrog protein peptide is added, the weight gain rate and the specific growth rate are increased by 11.46% and 4.41% respectively, and the bullfrog protein peptide has a good application prospect.

The utility model provides mixing equipment for bullfrog feed processing, which belongs to the technical field of bullfrog feed mixing, and comprises a fixing plate and a fixing frame, the back of the fixing plate is fixedly connected with the fixing frame, the front of the fixing frame is fixedly connected with a mixing shell, the bottom of the fixing plate is fixedly connected with supporting legs, and the supporting legs are fixedly connected with the mixing shell. And the top of the mixing shell is in threaded connection with a shielding cover. The storage shell, the first input pipe, the second electric throttle valve, the timing reversing switch, the first pressure weighing sensor, the feeding shell, the second input pipe and the third electric throttle valve are additionally arranged through the shielding cover, and the storage shell and the feeding shell provide storage space for additives; the timing reversing switch, the first pressure weighing sensor, the second electric throttling valve and the third electric throttling valve drive the first input pipe and the second input pipe to be communicated or blocked, and then quantitative adding of solid and liquid additives is completed.