100 results about "Bullfrog" patented technology

The invention discloses a bullfrog three-dimensional breeding system and an accurate feeding control method, and the bullfrog three-dimensional breeding system is characterized in that the bullfrog three-dimensional breeding system comprises a modular breeding unit, a gradient water level adjusting device and an interlayer isolation water circulation system, the three-step type three-dimensional framework is divided into a bottom layer tadpole pond, a middle layer froglet net cage and a top layer adult frog breeding bin, a control module is installed on each layer, and anti-escape assemblies are installed on the middle layer froglet net cage and the top layer adult frog breeding bin; the gradient water level adjusting device comprises a bionic step and a water level sensor which are arranged and installed, and the water level gradient adjusting and behavior inducing functions are achieved through engineering design. The interlayer isolation water circulation system comprises a distributed sensor, a UV sterilization and biological membrane filtration dual purification assembly and an adjustable air curtain, the adjustable air curtain forms a directional barrier between different layers of the three-dimensional culture system by dynamically regulating and controlling airflow, and independent environmental parameters of each layer are maintained.

The utility model discloses a bullfrog skinning and pulling device, and particularly relates to the bullfrog skinning field, the bullfrog skinning and pulling device comprises a support plate, one side of the top of the support plate is fixedly connected with a support frame, the other side of the top of the support plate is fixedly connected with a fixed plate, and the top of one end of the support frame is provided with a first electric push rod; the moving end of the first electric push rod penetrates through the supporting frame and is fixedly connected with a lifting plate, and a plurality of drag hooks are fixedly connected to the bottom of the lifting plate. Firstly, a second electric push rod is started to control the moving plate to move away from the bottom of the lifting plate, bullfrogs are conveniently placed on the top of the moving plate, a motor is started to control the supporting pressing plate to drive the fixing pressing plate to clamp and fix bullfrog meat, the clamping and fixing strength can be improved, and the bullfrogs are moved to the bottom of the lifting plate, so that the bullfrog meat can be clamped and fixed. The first electric push rod is started to control the lifting plate to drive the drag hook to hook bullfrog skin, the skinning and pulling effects can be achieved when bullfrog meat is pulled, the bullfrog meat is not prone to falling off, and the using effect is improved.

The utility model discloses a bullfrog breeding barrel convenient to discharge excrement, which comprises a support, a barrel body arranged on the support, a water outlet arranged at the bottom of the barrel body and an adjusting support plate arranged in the barrel body, grid holes are arranged on the adjusting support plate, and the size of the grid holes can be adjusted through the adjusting support plate. A sewage containing cavity is formed by the adjusting supporting plate and the bottom of the barrel body, and impurities discharged into water are precipitated into the sewage containing cavity through the grid holes. The bullfrog breeding device can solve the problems that a pool cannot be cleaned and breeding water is troublesome to replace, bullfrogs are not prone to being damaged when water is replaced, antibiotic drugs are reduced or avoided, the growth environment is stable, the growth cycle is stable, breeding facilities are convenient to build, cost is low, and popularization is easy.

The utility model discloses a bullfrog culture circulating water device which comprises a culture pond, one end of the culture pond is communicated with a circulating mechanism, the circulating mechanism comprises a circulating box communicated with the culture pond, the culture pond is communicated with the circulating box through a first connecting pipe, and the side, close to the culture pond, of the first connecting pipe is communicated with a filtering mechanism. The filtering mechanism comprises a filtering box communicated with the first connecting pipe, a filtering piece is arranged in the filtering box, a transition cavity, a neutralizing cavity and a storage cavity are sequentially communicated with the interior of the circulating box, the transition cavity is communicated with the first connecting pipe, a neutralizing mechanism is arranged at the top of the neutralizing cavity, and one end of a second connecting pipe is communicated with the interior of the storage cavity; and the other end of the second connecting pipe is communicated with the culture pond. According to the bullfrog breeding device, the repeated utilization rate of bullfrog breeding water is improved, and therefore the bullfrog breeding cost is reduced.

The bullfrog feed granulator with the cleaning effect comprises a machine body, the machine body is provided with a stirring cavity and an extrusion cylinder, the stirring cavity is communicated with the extrusion cylinder, a valve is arranged at the communication position of the stirring cavity and the extrusion cylinder, a feeding hole is formed in the upper end of the stirring cavity, and an installation opening is formed in the left side of the machine body. A mounting hole is formed in the upper end of the left side of the stirring cavity and communicates with the mounting opening, a first spray head is arranged in the mounting hole and communicates with a water inlet pipe, the water inlet pipe communicates with a hose, and a second spray head is arranged at the upper end of the stirring cavity and communicates with the hose. The device is provided with the mounting opening, the mounting hole, the first spray head, the water inlet pipe, the hose and the second spray head, when equipment needs to be cleaned, water can be directly sprayed out of the first spray head and the second spray head, then a stirring rod stirs water in a stirring cavity to clean the stirring cavity, and a push plate moves in a reciprocating mode to scrape residual raw materials in an extrusion cylinder; and residual raw materials can be discharged from the discharge hole or the extrusion hole, so that the use is convenient.

The invention relates to the technical field of solid-liquid separation treatment, in particular to bullfrog breeding waste solid-liquid separation treatment equipment which is characterized in that a first rotating shaft is fixedly mounted at the output end of the bottom of a double-head motor, rotating stirring blades are fixedly mounted on the side wall of the first rotating shaft, a spiral body is fixedly mounted on the side wall of the first rotating shaft, and a filtering barrel is arranged on the side wall of the spiral body; a first connecting cylinder is fixedly mounted on the side wall of the filter barrel, and a second connecting cylinder is fixedly mounted in the separation box, so that the flow resistance of liquid in pores of the filter barrel and gaps of solid particles is reduced, and meanwhile, water is promoted to overcome surface tension and adhesive force and is more quickly separated from the interior of a solid, so that the solid-liquid separation efficiency is greatly improved; compared with a traditional solid-liquid separation method, more wastes can be treated in a shorter time, the water content of the separated solid is remarkably reduced, the liquid is clearer, the efficiency and the quality of subsequent treatment of the solid and the liquid respectively are greatly improved, and the difficulty and the cost of subsequent treatment are effectively reduced.

The invention discloses an antioxidant peptide derived from bullfrog mucus and application of the antioxidant peptide. The amino acid sequence of the antioxidant peptide is KFLNVVSGLLTSKYR, and the molecular weight of the antioxidant peptide is 1724 g / mol. Polypeptides are identified from bullfrog mucus through a high performance liquid chromatography technology for the first time, an unreported antioxidant peptide with antioxidant activity is screened out, the antioxidant peptide is synthesized through a solid phase method, and the antioxidant peptide derived from bullfrog mucus has the advantages of being safe, non-toxic and good in water solubility and stability and has good application prospects. After the vitamin B3 is combined with the vitamin B3, the oxidation resistance is remarkably improved, and the vitamin B3 can be widely applied to preparation of foods, cosmetics, medicines or health-care products and has important economic value and social significance.

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 belongs to the technical field of food processing, and particularly relates to pre-prepared fruit and vegetable sour soup braised crayfish, fruit and vegetable sauce and a production method of the pre-prepared fruit and vegetable sour soup braised crayfish. The preparation method comprises the following steps: mixing 15%-17% of rumex hanus, 20%-25% of passion fruits, 18%-20% of steamed pumpkins, 6%-7% of small lime, 15%-17% of carambola and 15%-17% of lemons according to the total weight of the fruit and vegetable sauce, crushing the mixture into paste, and frying the paste at 115-125 DEG C for 8-10 minutes; 0.5%-1% of table salt is added in the stir-frying process to form homogenized fruit and vegetable sauce with the pH value of 3.8-4.2, and then the fruit and vegetable sauce is used for producing the pre-prepared fruit and vegetable sour soup braised crayfish. According to the production method, local fresh fruits and vegetables in Hainan are adopted to prepare the instant sour fruit and vegetable sauce, so that the problems of fruit and vegetable skin shrinkage, water loss, core vitamin content attenuation and the like caused by transportation of fresh fruits and vegetables from other places are avoided; meanwhile, flavor upgrading and efficiency improving of the crayfish dish are achieved, and the method is particularly suitable for the scenes of chain catering and industrial production of the crayfish, the crabs, the shellfish, the fish, the bullfrog, the chicken and the beef braised with the sour soup and the oil by the prefabricated dishes.

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 invention provides application of epicatechin in preparation of a medicine for resisting frog iridovirus. Related experiments prove that the epicatechin can efficiently prevent and control infection and transmission of the frog iridovirus, so that the harm of the frog iridovirus to healthy culture of frogs such as bullfrogs can be reduced to a great extent, and high-quality ecological culture and economic benefits of the frog culture industry are promoted.

The utility model discloses a bullfrog three-section type cutting device, and particularly relates to the technical field of bullfrog cutting, which comprises a working plate, two supporting plates arranged at the top of the working plate, a connecting frame arranged at the tops of the two supporting plates, a cutting mechanism arranged at the bottom of the connecting frame, and a collecting mechanism arranged on one side of the working plate. Clamping mechanisms are arranged on the surfaces of the two supporting plates, each clamping mechanism comprises a sliding groove formed in the surface of the corresponding supporting plate, a first motor is arranged on one side of each supporting plate, a first bidirectional screw is arranged at the output end of each first motor, one end of each first bidirectional screw extends into the corresponding sliding groove, and two first sliding blocks are arranged on each first bidirectional screw; a first electric telescopic rod is arranged on one side of the first sliding block. The bullfrog cutting device can clamp and fix bullfrogs according to the shapes and the sizes of the bullfrogs, the bullfrogs are cut into three sections when the bullfrogs are cut, and the bullfrog cutting efficiency of the bullfrog cutting device is improved.

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 application discloses an antioxidant peptide derived from bullfrog mucus and application thereof, and the amino acid sequence of the antioxidant peptide is KFLNVVSGLLTSKYR, and the molecular weight is 1724 g / mol. The polypeptide is identified from the bullfrog mucus by high performance liquid chromatography for the first time, and an unreported antioxidant peptide with antioxidant activity is screened out. The antioxidant peptide derived from the bullfrog mucus is synthesized by a solid phase method, and has the characteristics of safety, non-toxicity, good water solubility and stability. After being combined with vitamin B3, the antioxidant property of the antioxidant peptide is significantly improved, and the antioxidant peptide can be widely applied to preparation of cosmetics, medicines or health products, and has important economic value and social significance.

Antimicrobial peptides (AMPs), small compounds that often exhibit broad spectrum antimicrobial activity, are garnering interest as potential therapeutics against antibiotic-resistant bacterial pathogens. Development of new AMPs is arduous due to the practical limitations of classical protein-based discovery approaches. A high throughput bioinformatics approach is described which is able to confirm identification of known AMPs from the North American bullfrog (Rana (Lithobates) castebeiana) genome, and a bioinformatics approach is used to develop new AMPs, as described herein as SEQ ID NOs: 1-178. The described AMPs exhibit antimicrobial activity against Mycobacterium smegmatis via microtitre broth dilution assays, indicating broader efficacy.

The invention discloses a DNA molecular marker, a primer and a detection method for bullfrog sex identification. The nucleotide sequence of the molecular marker is as shown in SEQ ID NO: 1, and the nucleotide sequences of a primer pair for detecting the molecular marker are as shown in SEQ ID NO: 2 and SEQ ID NO: 3. The molecular marker provided by the invention meets the identification requirements of minimally invasive living bodies, is not influenced by the tissue specificity and development stage of bullfrogs, and is low in cost and simple to use; the molecular marker not only can quickly and efficiently identify the genetic sex of bullfrogs, but also can promote the establishment of bullfrog unisexual fry breeding technology, and has a wide application prospect.

The utility model discloses drying equipment for processing bullfrog breeding feed, which belongs to the technical field of drying equipment and comprises a shell, and a cylindrical drying cavity is formed in the shell; the overturning mechanism comprises a rotating pipe rotationally connected to the inner wall of the rear side of the cylindrical drying cavity, the front side of the rotating pipe is fixedly connected with a plurality of connecting rods, the rear side of each connecting rod is fixedly connected with an overturning plate, a motor is installed on the rear side of the shell, and the rotating pipe is fixedly connected with the rotating pipe. The rear end of the rotating pipe penetrates through the inner wall of the rear side of the cylindrical drying cavity and is in transmission connection with an output shaft of the motor through a transmission assembly. In order to solve the use problem, the equipment is provided with a stirring mechanism and a drying mechanism, a hot air blower is started to enable a plurality of air spraying holes to spray out hot air, feed drying can be efficiently achieved, a motor is matched to drive a plurality of stirring plates to rotate, overall stirring of the feed is achieved, the fluidity of the feed is improved, and the drying effect is further improved.

The invention belongs to the crossing field of cultivation and bioengineering, and particularly relates to a multi-strain insect protein and microalgae compounded bullfrog feed and a preparation method thereof, the multi-strain insect protein and microalgae compounded bullfrog feed comprises the following components: 25-45% of fermented insect protein, 15-30% of DHA microalgae powder, 10-20% of an auxiliary protein source, 0.5-2% of compound vitamin selected from fermented soybean meal or enzymolysis cottonseed protein, 0.5-2% of vitamin B, 0.5-2% of vitamin C, 0.5-2% of vitamin C, 0.5-2% of vitamin C, 0.5 1%-3% of composite mineral substances, 2%-5% of an adhesive and the balance of carbohydrate; the total DHA content of the bullfrog feed is larger than or equal to 1.5% by dry weight, the ratio of omega-3 fatty acid to omega-6 fatty acid is maintained to be 1: 1-1: 3, and the bullfrog feed has the advantages that saccharomyces cerevisiae is replaced with candida utilis, so that the capability of decomposing insect chitin is enhanced; chlorella is used for supplementing chlorophyll and algal polysaccharides to form a cell protection synergistic effect with schizochytrium limacinum, and DHA is supplemented at the same time; under the action of alkaline protease secreted by bacillus subtilis, the proportion of a beta-folding structure is reduced from 32% to 18%, and the digestibility is remarkably improved.

The utility model discloses a feed conditioner for bullfrog feed processing, which comprises a conditioner main body, a cleaning mechanism and a stirring mechanism are arranged in the conditioner main body, the stirring mechanism is positioned on the inner side of the cleaning mechanism, the interior of the conditioner main body is communicated with a steam inlet pipe, and the steam inlet pipe is communicated with a steam outlet pipe. The cleaning mechanism comprises a water tank welded to one side of the conditioner body, the top of the water tank is fixedly connected with a pump body, the top of the pump body is fixedly connected with a spiral hose, the top of the spiral hose is fixedly connected with a guide pipe, and the guide pipe extends into the conditioner body and penetrates through the scraper. According to the feed conditioner for bullfrog feed processing, through the arrangement of the cleaning mechanism, an operator can more conveniently clean the inner wall of the conditioner and the stirring mechanism after feed conditioning, the phenomenon that too much gelatinized feed is left on the inner wall of the conditioner and the stirring mechanism to form a caking phenomenon is avoided, and the operator can more conveniently maintain the conditioner.

The invention discloses an examination system for a bullfrog nerve experiment. The examination system comprises a data acquisition module, a data processing module and a data output module. The data acquisition module is used for acquiring experimental data of a bullfrog nerve experiment; the data processing module is used for processing and analyzing the experimental data to generate assessment data; and the data output module is used for outputting the assessment data. The bullfrog reflex arc analysis experiment monitoring system can realize automatic monitoring of bullfrog reflex arc analysis experiments operated by students, and improves accuracy, normalization and effectiveness of experiment operations of the students.

The invention provides a bullfrog breeding state monitoring system and method, and the method comprises the steps: carrying out the global visual recognition of a breeding space, obtaining the distribution state information of bullfrogs in the breeding space, determining a bullfrog aggregation abnormality sub-region in the breeding space, and carrying out the large-scale group recognition of the breeding space, and limiting a disease concentration occurrence region; performing visual identification on the bullfrog gathering abnormal sub-region to obtain respective appearance feature information and behavior action feature information of all bullfrogs in the sub-region, so as to identify sick bullfrogs in the sub-region, performing screening identification on the bullfrogs from an individual level, and accurately searching a disease source; and the diseased bullfrogs are dynamically tracked to obtain interactive behavior information of the diseased bullfrogs and other bullfrogs, so that a disease propagation path in the culture space is determined, a to-be-disinfected range in the culture space is calibrated, the propagation path of diseases in the culture area is dynamically tracked and identified, bullfrog diseases are prevented and treated in time, and bullfrog culture loss is reduced.

The invention belongs to the technical field of bullfrog breeding, and particularly relates to a green feed formula for industrial bullfrog breeding and a preparation process, the green feed formula comprises 40-56% of an animal protein source, 20-25% of a plant protein source, 15-23% of a fiber and mineral substance source, 3-5% of a fat source, 4-7.1% of a trace element additive, 3-6% of an active additive and 1.5-3% of an additive, the animal protein source is composed of fish meal, shrimp meal and finless eel powder in a ratio of (5-6): 1: 1, and the plant protein source is composed of soybean meal, pea protein and corn flour in a ratio of (2-2.2): 1: 1. By reasonably selecting high-quality animal protein, plant protein and natural plant extract and combining an advanced preparation process, the green feed for bullfrogs can promote healthy growth of bullfrogs and can also effectively reduce the case fatality rate and morbidity in breeding, the production process of the feed meets the ecological environmental protection standard, and the feed is suitable for large-scale popularization and application. The operation is simple and convenient, the cost is moderate, and the application prospect is wide.

The invention discloses a bullfrog source micromolecular collagen peptide repair material and a preparation method thereof in the technical field of repair materials. The bullfrog source micromolecular collagen peptide repair material is prepared from the following components in parts by weight: bullfrog source collagen peptide, N-succinimido-S-acetylthioacetate (SATA), modified cellulose, chondroitin sulfate, geniposin and pinoresinol diglucoside. According to the preparation method, micromolecular collagen peptide is extracted from bullfrog skin, the collagen peptide is modified and grafted to a side chain of a cellulose molecular chain through sulfydryl to form a brush-shaped structure, cellulose molecules can provide rigid support, the side chain of the collagen peptide forms a fiber network with biological affinity, and meanwhile, the fiber network can provide rigid support for the bullfrog skin. And a plurality of small molecule auxiliary compounds with cartilage repair performance are loaded, so that the repair performance and the biological fusion performance of the collagen peptide repair material are improved.

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 relates to the technical field of feed fermentation, and discloses a green and environment-friendly bullfrog feed production fermentation device which comprises a fermentation mixing tank, a transmission rod is arranged in the middle of the fermentation mixing tank in a penetrating mode, and a plurality of mixing stirring frames are evenly distributed in the fermentation mixing tank. A linkage assembly is connected between the transmission rod and the plurality of mixing and stirring frames, a plurality of guide frames which are uniformly distributed are fixedly connected to the inner wall of the fermentation mixing tank, and the inner sides of the guide frames are connected with the outer sides of the mixing and stirring frames. Due to the arrangement of the guide frame, the plurality of mixing and stirring frames can continuously move up and down along the path of the guide frame body when rotating under the matching of the guide chute and the linkage guide ball, so that the stirring position is continuously changed, and the mutual movement of mixed materials after being stirred is more active; therefore, the mixing efficiency and the mixing effect are effectively improved, and the effects of effectively reducing energy consumption and the like are achieved.

The utility model discloses a bullfrog feed production bulking device relates to feed bulking device technical field, including bulking subassembly, pressure valve, drive subassembly, support subassembly and stirring subassembly, the bulking subassembly includes bulking cylinder and bulking chamber, the bulking chamber is opened inside the bulking cylinder, the pressure valve is equipped with the pressure valve, the drive subassembly is equipped with the pressure valve, and the stirring subassembly is equipped with the pressure valve. The pressure valve is fixedly installed on the front face of the puffing cylinder, the driving assembly comprises a driving motor and a driving wheel, the driving wheel is fixedly installed at one end of the driving motor, the stirring assembly comprises a rotating shaft and a spiral blade, and the spiral blade is fixedly installed outside the rotating shaft. Under the combined action of the bulking cylinder and the connecting bolts, when the bulking cylinder breaks down, the broken-down section can be independently detached for maintenance, the maintenance efficiency is obviously improved while time is saved, the bulking cylinder is difficult to recover to be normal through debugging when the fault is serious, the bulking cylinder can be replaced at the moment, and the maintenance cost is reduced. And the maintenance task is quickly completed.