617 results about "Silage" patented technology

The invention relates to the technical field of microorganisms, in particular to application of streptococcus non-lactolyticus GX-7 and a complex microbial inoculant thereof in sugarcane leaf silage, the strain GX-7 is separated from healthy pig manure by a research group, and through detection, the strain has good cholate resistance and is suitable for surviving in intestinal tracts, and the strain GX-7 has good cholate resistance and is suitable for being used as a feed additive. The antibacterial effect on pseudomonas fluorescens, listeria monocytogenes, salmonella choleraesuis and shigella flexneri is achieved; the strain has a good fermentation capability on sugarcane leaves, and the sugarcane leaves are inoculated with a complex microbial inoculant prepared from streptococcus non-lactolyticus GX-7 and streptococcus non-lactolyticus GX-2, so that a synergistic fermentation effect can be achieved; after the silage prepared from the complex microbial inoculant is fed to female buffalo in the gestation period, it is found that the silage can effectively increase the content of milk protein, milk total solids and milk non-fat solids in colostrum of the female buffalo and relieve diarrhea of the female buffalo, and the silage is safe and good.

The invention discloses a green feed loading information acquisition and identification system and method based on an IaPFusion model, and belongs to the technical field of automatic filling and throwing of silage harvesters, and the system comprises a data acquisition module, a communication module, a data processing module and a fusion evaluation module. According to the invention, a deep learning technology is researched and utilized, accompanying vehicle hopper identification research is carried out, on the basis of obtaining two-dimensional and three-dimensional data of a feed box, a double-branch network based on an IaPFusion model is provided, image segmentation and point cloud segmentation technologies are combined, a data fusion method is adopted, automatic identification is carried out on the feed box and the green feed in the green feed loading process, and the identification efficiency of the feed box and the green feed is improved. The scientificity of silage harvesting is further improved, and forage loss is effectively reduced.

The invention discloses a cutting and quick dismounting and mounting device based on tractor three-point suspension, which belongs to the technical field of modern agricultural machinery and comprises a silage locomotive frame, a cutting device, a suspension device and a tractor frame. The chopping device is assembled on the silage locomotive frame, the suspension device is installed on the tractor frame, the silage locomotive frame is connected with the chopping device in an initial state, the suspension device is connected with the chopping device to be used for adjusting the angle of the chopping device, and the silage locomotive frame moves on the ground to adjust the position. And the chopping device and the silage locomotive frame are disassembled or assembled at a preset angle and position. The dismounting and mounting process of the chopping device on the silage locomotive frame is greatly shortened, the dismounting and mounting efficiency of the chopping device is improved, manpower and material resources are saved, and the safety risk of the chopping device in the dismounting and mounting process is also greatly avoided.

The invention discloses an application of Lactobacillus plantarum in at least one of the following items: a1, an application in improving the silage quality of silage, a2, an application in improving the silage quality, a3, an application in improving the silage quality, a4, an application in improving the silage quality, and a5, an application in improving the silage quality. A2, application in preparation of silage; a3, application in preparation of a silage additive; the strain name of the lactobacillus plantarum is LA2, the lactobacillus plantarum is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number of the lactobacillus plantarum is CGMCC No. 33484. According to the invention, the lactobacillus plantarum or the microbial inoculum thereof or the silage additive thereof is added into the silage for the first time, and tetracycline resistance genes in the silage can be remarkably reduced; after the lactobacillus plantarum or the microbial inoculum thereof or the silage additive thereof disclosed by the invention is added, the generation and residue of tetracycline resistance genes in feed can be reduced, the propagation of the tetracycline resistance genes in a food chain is reduced, the safety of forage grass is ensured, and the damage to animals, environment and human bodies is reduced; and the drug resistance of human pathogenic bacteria is reduced while the health level of animals is improved.

The utility model provides a self-propelled silage reclaimer, which relates to the technical field of reclaimers, and comprises a self-propelled silage reclaimer assembly, the self-propelled silage reclaimer assembly is provided with a dust collection assembly and an adjusting assembly, the self-propelled silage reclaimer assembly comprises a cutting reclaiming knife and a conveying belt, the dust collection assembly comprises a dust collection cover, and the dust collection cover is provided with a dust collection opening. And one end of the dust hood is connected with a conveying hose. The suction fan works to generate suction force, so that the dust hood sucks and removes flying dust generated during cutting and material taking, the sucked and removed dust and the like are conveyed to the collecting box through the conveying hose, the filter element is beneficial to preventing the dust and the like from entering the suction fan, and normal operation of the suction fan is guaranteed; and finally, the movable sealing plate moves in the sliding groove, so that the sucked dust and the like can be cleaned, the dust spreading in the working area is reduced, the dust attached to the surface of the machine is reduced, and an operator can more clearly observe the running state of each part of the machine.

The invention provides an SNP (Single Nucleotide Polymorphism) molecular marker combination, a molecular probe combination, a liquid phase chip and a kit for corn genotyping and application of the SNP molecular marker combination, the molecular probe combination, the liquid phase chip and the kit, and belongs to the technical field of gene chips. The SNP molecular marker combination and the liquid chip provided by the invention can be used for efficient and rapid genetic typing of corn germplasm resources, and are low in cost and suitable for corn biological breeding. The SNP marker provided by the invention uniformly covers the whole corn reference genome, provides a high-quality molecular marker for silage corn whole genome selective breeding, and can also be used for map-based cloning of important agronomic trait genes of silage corn.

The invention relates to the technical field of animal husbandry silage taking equipment, and particularly discloses a silage taking vehicle and a bottom silage taking method. The silage taking vehicle comprises a vehicle frame, a conveying belt and a shovel. The shovel is initially located below the front end of the conveying belt. And a group of first telescopic mechanisms, a group of second telescopic mechanisms and a group of third telescopic mechanisms are arranged on each side of the frame. The two sides of the frame are respectively provided with a sliding groove. The first telescopic mechanism comprises a first telescopic device, a sliding block and a connecting rod. And the connecting rod is connected with the sliding block and the front end of the shovel. The first expansion piece acts on the sliding block. The second telescopic mechanism is rotationally connected with the rear end of the shovel. The third telescopic mechanism is connected with the second telescopic mechanism. Under the driving of the first telescopic mechanism, the second telescopic mechanism and the third telescopic mechanism, the front end of the shovel is tightly attached to the ground and forwards shovels up silage on the ground, then the shovel is moved to the position above the conveying belt, the shovel is rotated to enable the silage on the shovel to fall on the conveying belt, and the automation degree and the working efficiency of the silage taking vehicle are improved.

The invention belongs to the technical field of biological feed, and particularly relates to a composite silage leavening agent, silage and application. The compound silage leavening agent is prepared from the following components: lactobacillus plantarum and vitamin enzyme, wherein the concentration of the lactobacillus plantarum is greater than or equal to 1 * 10 < 9 > CFU / kg, and the concentration of the cellulase is 1 * 10 < 6 >-1 * 10 < 8 > U / kg. In the preparation process of the silage, due to the synergistic effect of cellulase and lactobacillus plantarum, escape of nutrient substances such as ammoniacal nitrogen is reduced, the content of nutrient substances such as polypeptide is increased, and the nutritional value of protein of the silage is reserved. The ensiling feed disclosed by the invention is good in fermentation quality and rich in nutrient substances, and can improve the digestibility and the total volatile fatty acid yield of mutton sheep when being used for feeding the mutton sheep; and meanwhile, efficient conversion of silkworm branch and leaf byproducts can also be realized.

The invention relates to the technical field of microorganisms, in particular to application of streptococcus non-lactolyticus GX-2 and a complex microbial inoculant thereof in peanut vine silage, and the strain GX-2 is suitable for surviving in the stomach and has an antibacterial effect on staphylococcus aureus, escherichia coli, pseudomonas fluorescens and listeria monocytogenes; the streptococcus non-lactolyticus GX-7 and the streptococcus non-lactolyticus GX-2 are prepared into a complex microbial inoculant, and then the complex microbial inoculant is inoculated into the peanut vines, so that the synergistic fermentation effect can be achieved at the mass ratio of 1: (1-3); after the gestational buffalo is fed with the silage prepared from the complex microbial inoculant, the silage is found to be capable of effectively increasing the contents of total milk solids and non-fat milk solids in the colostrum of the buffalo and relieving the diarrhea of the buffalo, and is safe and good.

The invention discloses a mycotoxin degrading bacterium (Lactobacillus plantarum) R4-30 and application thereof, the strain is preserved in the China Center for Type Culture Collection, the preservation number is CCTCC No: M2018437, and the strain is obtained by screening in Guangxi sugarcane tail leaf silage. The strain can inhibit the growth of aspergillus flavus and fusarium graminearum, so that the production of mycotoxin is reduced, and the mycotoxin can be degraded. The aflatoxin B1 degradation rate of the strain is as high as 91.21% when the bacterial concentration is 12 * 10 < 8 > cfu / ml, the pH value is 2 and the culture time is 16 days; when the bacterium concentration is 3 * 10 < 8 > cfu / ml, the pH value is 6 and the culture time is 12 days, the zearalenone degradation rate is as high as 94.56%; when the bacterial concentration is 12 * 10 < 8 > cfu / ml, the pH value is 2 and the culture time is 16 days, the degradation efficiency of AFB1 and ZEN in the mango peel fermented feed is remarkably improved, the degradation rates of AFB1 and ZEN under the conditions reach 91.2% and 58.16% respectively, the nutritional quality is high, the fermentation quality is good, chemical additives are not needed, and the method is suitable for green detoxification treatment of agricultural products and feed.

The invention belongs to the technical field of feed conveying, particularly relates to a silage aggregate conveying device and method, and aims to solve the problem that stable operation of a conveying belt is affected due to uneven load on the conveying belt during bearing when caked silage is conveyed, the silage aggregate conveying device comprises a tool bottom plate, and two conveying plates are fixedly connected to the tool bottom plate; a plurality of round holes are formed in the two sides of the two conveying plates, and the interiors of the two opposite round holes are connected with the same rotating shaft through bearings; the conveying belt is in transmission connection with the exteriors of the multiple rotating shafts, and the conveying belt is used for conveying the silage; and the conveying motor is arranged on one side of one conveying plate. The silage collecting and conveying device and method have the advantages that caked silage irregular in shape and inconsistent in height can be flatly laid and disassembled, so that the conveying belt is uniform in bearing stress, and stable operation of the conveying belt is improved.

The invention relates to the technical field of agriculture, in particular to a method for improving silage fermentation quality based on biochar regulation and control, which comprises the following steps: fermenting a silage raw material added with biochar and cane sugar in a closed environment, the addition amount of the biochar being not less than 2% of the fresh weight of the silage raw material; the addition amount of the sucrose is not less than 2% of the fresh weight of the silage raw material; the fermentation days are more than or equal to 30 days, the pH value of the silage is less than or equal to 4.35, and the total content of lactic acid, acetic acid, propionic acid and butyric acid in the silage is more than or equal to 7.99% of the dry weight of the silage. When the biochar and the cane sugar are used as additives to prepare the silage through fermentation, on one hand, the pH value can be balanced through the addition of the biochar, the situation that the pH value is rapidly reduced possibly due to independent use of the cane sugar is avoided, further production of lactic acid in the later period is inhibited, the acidification process is effectively buffered, and continuous and stable lactic acid generation is promoted; on the other hand, the problems of increase of nutrient substance loss, promotion of generation of byproducts such as acetic acid, reduction of generation of lactic acid and the like when the biochar is independently added are avoided.

The invention discloses a compound bacterium enzyme preparation for ensiling and application of the compound bacterium enzyme preparation, and belongs to the field of bacterium enzyme compound preparations. The bacterial enzyme preparation disclosed by the invention comprises lactobacillus plantarum, lactobacillus buchneri, cellulase and xylanase, has the effects of improving the fermentation quality of silage, promoting the improvement of the organism immunity and the anti-stress capability of ruminants and the like, and has wide market value.

The invention discloses a planting method for overcoming continuous cropping obstacles of silage corn, which solves the problems of soil degradation and diseases and insect pests caused by continuous cropping by integrating soil physical remediation, chemical remediation, biological remediation, microbial community regulation and ecological intercropping technologies. The core technology content comprises the steps that deep ploughing is combined with organic matter and a biochar modifier to repair the soil structure, a compound microbial agent is sprayed to inhibit pathogenic bacteria, leguminous green manure and commercial crop rape are used for improving nitrogen circulation and reducing the autotoxicity effect every two years, and a precise fertilization management technology is matched. After the scheme is implemented, the soil health condition is remarkably improved, the silage corn yield is remarkably increased, and good ecological and economic benefits are achieved.

The invention belongs to the field of feed processing, and particularly relates to a sweet potato seedling and corn straw mixed silage preparation method which comprises the following steps: S1, raw material pretreatment: respectively chopping sweet potato seedlings and corn straws; s2, mixing: the chopped sweet potato seedlings and corn straws are weighed, an additive is added, the mixture is uniformly mixed, the additive is a mixed lactic acid bacteria additive, and the addition amount is 0.1 g / kg; s3, loading into a silage container, compacting and sealing; s4, storage: the fermentation temperature range is 15-28 DEG C, preferably 25 + / -1 DEG C. According to comprehensive evaluation, the sweet potato seedlings and the corn straw are mixed and ensiled according to the proportion of 1: 1, and the comprehensive value is the highest. The proportion can effectively balance dry substances and moisture of the two raw materials, and the silage which is excellent in smell, color and texture, complete in nutrition preservation and excellent in fermentation quality can be obtained after the mixed lactic acid bacteria additive is added for ensiling for 60 days.

The invention belongs to the technical field of corn seeding devices, and particularly relates to an intelligent silage corn seeding and seedling uniformizing integrated device which comprises a rack, a connecting plate is fixedly connected to one side of the rack, a plurality of threaded mounting holes are formed in the connecting plate, rollers are rotatably arranged at the bottoms of the two sides of the rack, and the rollers are rotatably arranged on the rack. A multi-position seeding mechanism is also arranged on the rack; the multi-position seeding mechanism comprises a storage box fixedly connected to the rack, and a plurality of mounting plates are transversely arranged on the front end surface of the storage box and are in sliding connection with the front end surface of the storage box. By utilizing the multi-position seeding mechanism, the distance between two adjacent pits in the same row can be controlled according to the growth characteristics of seeds while the same-row multi-direction seeding is realized, so that the distance between the two adjacent pits is in a reasonable range, and the situation that roots of adjacent plants grab soil nutrients and moisture in the same area due to the too small distance is avoided; and the situation that the spacing between adjacent plants is too large, so that subsequent fertilization and other operations are not facilitated is also avoided.

The utility model discloses an automatic header profiling device which comprises a header assembly and a detection body arranged on the header assembly. The detection main body comprises a detection shell, a profiling structure which is hinged to the lower end part of the detection shell, is used for being attached to the ground and swings relative to the detection shell along with the change of the ground, and a flexible structure which is connected with the free end of the profiling structure and the detection shell and is used for fixing the maximum distance between the free end of the profiling structure and the detection shell; the profiling sensor is arranged in the detection shell, and the knuckle bearing assembly is connected with the end, close to the detection shell, of the profiling structure and the profiling sensor and used for transmitting the angle variation of the profiling structure swinging relative to the detection shell to the profiling sensor. The profiling sensor does not bear the acting force applied by the profiling structure any more, and the service life of the profiling sensor is long. In addition, the utility model further discloses a silage maize harvester comprising the header automatic profiling device.

The invention discloses bacillus subtilis, a method for preparing yellow corn silage feed under a strong alkali condition and a product thereof, and belongs to the technical field of microorganisms. The technical problem to be solved is that the survival rate of the existing bacillus subtilis is lower than 30% under the strong alkali condition of pH 9-11, and the existing bacillus subtilis cannot normally grow and propagate. The preparation of the yellow corn silage feed under a strong alkali condition needs additional pH adjustment, the process is complex and the cost is high; the crude protein content of the existing yellow corn silage feed is only 3-5%, and the requirements of livestock cannot be met. According to the technical scheme, the strong-alkali-resistant bacillus subtilis is provided, the preservation number is CGMCC No.36677, the survival rate of the strain is larger than or equal to 80% under the condition that the pH is 9-11, the straw degradation rate is larger than or equal to 25%, no waste water is generated when the strain is used for preparing the yellow silage feed, the cost is reduced compared with an existing technology, the protein content is increased by 50%-80%, palatability is good, and the method is suitable for large-scale straw resource utilization and feed protein production.

The invention discloses a silage composition containing gramineous forage grass and alfalfa and a preparation method of the silage composition, and belongs to the technical field of forage grass processing. The preparation method of the silage composition comprises the following steps: cutting fresh gramineous pasture and alfalfa with proper maturity; cutting the cut gramineous forage grass and medicago sativa to 2-3cm, and uniformly mixing the gramineous forage grass and the medicago sativa in proportion to obtain a mixed raw material; uniformly mixing the mixed raw materials with a feed additive, filling into a silage pit, and sealing, storing and fermenting to obtain the silage composition containing the gramineous pasture and the medicago sativa. The invention discloses an ensiling composition containing gramineous forage grass and alfalfa and a preparation method thereof, the ensiling composition has high fermentation quality and nutritional value, and can meet nutritional requirements of ruminants in high altitude areas.

The invention discloses an arundo donax high-protein silage and a preparation method thereof, and belongs to the technical field of silage production, the silage is composed of arundo donax straw and a composite silage fermentation inoculant; in the silage, the weight ratio of the bamboo reed stalks to the composite silage fermentation inoculant is 2000: 1, and wrapping silage fermentation is carried out. The method comprises the following steps: step 1, crushing the nine-fold bamboo reed caudatifolius straws by using a crusher, wherein the crushing length is set to be 1-2cm; 2, raw materials of the composite silage fermentation microbial inoculum are added into a stirrer according to the proportion to be fully stirred, the stirring time is 30 min, and the composite silage fermentation microbial inoculum is obtained; and 3, fully mixing the crushed arundo donax particles with a composite silage fermentation inoculant, and carrying out wrapping silage fermentation for 10-60 days at a fermentation and storage temperature of 25 + / -2 DEG C to obtain the silage. The bamboo reed caudatifolia high-protein silage can replace oat grass and yellow corn straw, and is good in palatability.

The invention discloses lactobacillus plantarum and application thereof in forage grass silage. The lactobacillus plantarum disclosed by the invention is lactobacillus plantarum 6H2, and the preservation number of the lactobacillus plantarum is CGMCC (China General Microbiological Culture Collection Center) No.31240 in the General Microbiological Culture Collection Center of the China Committee for Culture Collection of Microorganisms). The lactobacillus plantarum 6H2 shows more excellent fermentation quality and nutritional ingredient optimization effect in the oat and vicia sativa mixed silage at low temperature, and can also improve the quality of the oat silage. The method has a good application prospect.

The invention belongs to the technical field of crop cultivation, and particularly relates to a wide-narrow-row cultivation method for corn in a fruit forest. Wide-narrow row configuration is carried out according to environment characteristics such as illumination angles and illumination duration between fruit-bearing forests, so that the illumination duration is prolonged while the illumination angles are radiated on canopy leaves of corn plants. The planting density of the corn is reasonably set on the basis of a wide-narrow row planting mode, so that the air permeability and photosynthesis of crops in the fruit-bearing forest can be changed, the marginal effect of crop groups is reduced, and the biological competition is reduced, thereby effectively improving the yield and nutritional quality of the corn, and particularly realizing high quality and high yield of the silage corn in the walnut forest.

The present disclosure relates to a container (100) configured to store the silage and other agricultural products such as seeds, fruits, and vegetables The container (100) comprises a body (110), and a lid (112). The body (110) defines an opening (121) configured to allow access to interior of the container (100). The lid (112) is configured to securely cover the opening of the body (110). A flange (114) is connected to the lid (112). The flange (114) defines a first provision (116) and a second provision (118). The first provision (116) secures a sealing member (117) adapted to regulate the discharge of air from the body (110). A valve (119) is secured in the second provision (118), wherein the valve (119) is configured to supply a gaseous mixture into the body (110).

The utility model relates to the field of silage sampling, in particular to a quick sampler for silage, which comprises a collecting box, an electric gun, a feeding component and a sampling component, the collecting box is horizontally arranged, the electric gun is vertically mounted below the collecting box, the upper section of the electric gun penetrates through the collecting box and extends into the collecting box, and the lower section of the electric gun is connected with the feeding component. The feeding assembly is horizontally installed on the side wall of the collecting box and communicated with the collecting box, and the sampling assembly is horizontally arranged at the top of the collecting box and rotationally connected with the collecting box. The silage collecting device has the advantages that silage can be rapidly collected, so that the time that the silage makes contact with air is effectively shortened, meanwhile, the working intensity of sampling personnel is reduced, and the working efficiency of the sampling personnel is improved.

The invention discloses a straw feed microbial agent and application of the straw feed microbial agent in preparation of feed through straw fermentation, and belongs to the technical field of agricultural solid waste treatment. By optimizing the composition of phanerochaete chrysosporium, lactobacillus reuteri, lactobacillus paracasei, bacillus subtilis and bacillus cereus in the flora preparation, the obtained wheat straw microbial agent has the advantages that compared with the conventional straw yellow silage feed in the application of fermenting wheat to prepare feed, the yield of the wheat straw microbial agent is increased; according to the method, the content of crude protein is increased by 28.79%, the content of acetic acid is increased by 42.67%, the content of propionic acid is increased by 28.31%, the content of lactic acid is increased by 103.15%, the content of phosphorus element is increased by 33.19%, the content of calcium element is increased by 34.30%, the palatability and nutritional value of the straw feed are remarkably improved, and the method has the advantages of being low in cost, easy and convenient to operate, capable of shortening the preparation period of the wheat straw feed and the like.

The utility model relates to the technical field of throwing barrels, and discloses a material throwing barrel for a silage maize harvester, which comprises a throwing barrel body, one side of the throwing barrel body is provided with a discharge port, one side of the throwing barrel body close to the discharge port is symmetrically and rotatably connected with rotating shafts in a penetrating manner, and the outer surfaces of the rotating shafts are fixedly connected with guide plates. In the process that the throwing cylinder body throws forage, the guiding plate can be driven to swing left and right in a reciprocating mode, the forage is evenly thrown to all positions above the forage storage vehicle, and therefore the throwing range of the throwing cylinder body is enlarged, the requirement for manually adjusting the throwing direction and position by workers is reduced, the labor intensity of operators is reduced, and the throwing efficiency is improved. According to the hay storage vehicle, the working comfort and safety are improved, the hay can be more evenly distributed at all positions above the hay storage vehicle, the hay is prevented from being accumulated in a certain area in a concentrated mode, and therefore the throwing efficiency is improved.

The invention provides a method for improving forage grass production performance and silage quality and application of the method, and belongs to the technical field of silage production. The method comprises the following steps that after silage corn is sown, lacroton beans are sown between two rows of corn immediately; first topdressing is carried out 18-22 days after sowing; carrying out secondary topdressing 60-68 days after sowing; harvesting is conducted on the 105th-110th day after sowing is conducted; and carrying out silage on the harvested silage corn and the harvested lacroton beans. Through mixed sowing of the corn and the lab beans, the dry matter yield and the crude protein content of the mixed forage grass are improved, supply of protein raw materials in concentrated feed is reduced, and the feed cost is reduced. The abundance of leuconostoc can be remarkably reduced during the ensiling period, and the silage obtained after ensiling is excellent in sensory evaluation. The content of nutritional ingredients in the silage is changed, protein and carbohydrate components are changed, and the nutritional value of the silage is improved.

A method for treating silage to enhance the aerobic stability by increasing the fermentation and stabilization of silage is disclosed. The method comprises treating silage or feed with a composition comprising one or more of a Lactobacillus brevis (Levilactobacillus brevis) strain LB7148, deposited as Patent Deposit No. NRRL B-67991 and Lactobacillus buchneri (Lentilactobacillus buchneri) strain LN7149, deposited as Patent Deposit No. NRRL B-67992, including mixtures or mutant(s) thereof which retain their silage preservative activity and / or or the anti-Acetobacter spp. components produced by LB7148 and LN7149, respectively. The strains of Lactobacillus buchneri (Lentilactobacillus buchneri) and Lactobacillus brevis (Levilactobacillus brevis) disclosed herein have been purified, isolated, and when applied to pre-ensiled plant material found to inhibit the growth of Acetobacter spp. and to improve aerobic stability of silage.

The utility model discloses a silage compression and fermentation device, and particularly relates to the technical field of silage processing, the silage compression and fermentation device comprises a fermentation tank, the outer wall of the fermentation tank is communicated with a feeding pipe, the surface of the fermentation tank is provided with a material taking port, and a negative pressure pump is fixedly arranged on the outer wall of the fermentation tank and on one side opposite to the feeding pipe; a vacuum hose is arranged between the negative pressure pump and the fermentation tank, a filtering structure is arranged at the joint of the vacuum hose and the fermentation tank and comprises a sealing plug, a mounting hole is formed in the surface of the fermentation tank, and the sealing plug is located in the mounting hole. In the process of vacuumizing the interior of the fermentation tank, the phenomenon that the vacuum hose is blocked can be effectively avoided, silage can be compressed, air in the silage can be further emptied, the fermentation effect of the silage is improved, meanwhile, the silage attached to the inner wall of the fermentation tank can be conveniently scraped away, and the fermentation efficiency is improved. And waste is reduced.

The invention relates to the technical field of feed production, in particular to an azolla filliculoidas fresh leaf fermented feed which comprises the following components in parts by weight: 70 parts of azolla filliculoidas silage sections, 20 parts of a composite carrier matrix, 5 parts of a natural anti-caking and toxin adsorbent, 7 parts of functional liquid, 10 parts of an energy and flavor synergist and 2 parts of zymophyte. Functional liquid is converted into chitosan oligosaccharide through ultrasonic treatment, and long-chain chitosan is broken into high-solubility chitosan oligosaccharide; through cold plasma activation, an active functional group is grafted on the surface of a chitosan oligosaccharide molecule to form a nanoscale compact protective film; the protective film can inhibit pollution of aerobic mould and saccharomycetes after unsealing, prolong the shelf life of the feed, reduce loss of volatile fatty acids and flavor substances generated by fermentation, and maintain the nutritional value and palatability of the feed.