143 results about "Quail" patented technology

The invention discloses an H9N2 subtype avian influenza virus, the H9N2 subtype avian influenza virus is A / chick / Guangxi / C1228 / 2015 (H9N2), and the preservation number of the H9N2 subtype avian influenza virus is CGMCC (China General Microbiological Culture Collection Center) No.45222; or the H9N2 subtype avian influenza virus is A / quil / Guangxi / 210Q33 / 2015 (H9N2), and the preservation number is CGMCC (China General Microbiological Culture Collection Center) No. 46091. The bivalent inactivated vaccine of CK / GX / C1228 / 15 with better antigenicity and the strain QL / GX / 210Q33 / 15 which has better antigenicity and is separated from quails in the live poultry market has a better protection effect on two different branches of H9N2 subtype avian influenza viruses, the lowest immune dose (0.3 mL) can reach the protection rate of 80% or above, and the generated effective protection antibody can last to 24W.

The invention relates to the field of food curing, and particularly discloses flowing-core and soft-yolk quail eggs and a curing method thereof. The invention relates to a free-core soft-yolk quail egg curing method, which is applied to industrial production, and comprises the following steps: putting quail eggs into water or steam at 89-99 DEG C, and heating for the first time; putting the quail eggs in water at 0-25 DEG C for primary cooling; the quail eggs are placed in water or steam at 89-99 DEG C to be heated for the second time; placing the quail eggs in water at 0-25 DEG C for secondary cooling; the quail eggs are placed in water or steam at 89-99 DEG C to be heated for the third time; putting the quail eggs in water at 0-25 DEG C for third cooling; the flowing core ratio of the obtained soft yolk quail eggs is 30%-70%. According to the flowing-core soft-yolk quail eggs and the curing method thereof, through three times of heating and three times of cooling, complete curing of soft-yolk egg white is guaranteed, the subsequent shelling rate is ensured, meanwhile, the soft-yolk proportion of the yolk reaches 85% or above, the proportion of flowing cores in the soft-yolk reaches 30%-70%, and industrial batch production is achieved.

The invention discloses a preparation method and application of a quail CENP-A polyclonal antibody, and the preparation method of the quail CENP-A polyclonal antibody comprises the following steps: constructing a recombinant expression vector containing a CENP-A target gene segment as shown in SEQ ID NO.1; transforming the recombinant expression vector into a competent cell, inducing expression of a fusion protein, collecting and purifying to obtain a CENP-A recombinant protein; carrying out animal immune treatment by taking the CENP-A recombinant protein as an antigen, and collecting and separating an antibody in animal serum as a CENP-A polyclonal antibody. The invention also develops a method and a device for CUAMP; the quail CENP-A antibody sequenced by Tag fills up the blank of a quail commercial CENP-A antibody, is also an important basic work for further constructing a quail genome complete map, and provides a basic support for subsequently revealing how centromere related genes of vertebrates such as birds evolve among different species.

The utility model discloses a quail excrement automatic cleaning device which comprises a quail cage frame which comprises a plurality of quail cages arranged in the vertical direction, and further comprises a cleaning device which comprises a plurality of first conveying assemblies and a second conveying assembly. A gap is formed below each quail cage, and the first conveying assembly is located in the gap; the horizontal height of the working plane of the second conveying assembly is lower than the height of an outlet of the first conveying assembly below the quail cage located on the bottommost layer, the second conveying assembly is located below each first conveying assembly, and quail excrement sent out from the outlet end of each first conveying assembly falls off or slides to the second conveying assembly. The second conveying assembly conveys the quail feces to a centralized treatment position, the situation that a traditional collecting tank needs a large amount of manpower to achieve feces cleaning through high-intensity labor is replaced, and manpower is saved.

The invention relates to a quail egg product and a preparation method and equipment thereof, and the preparation method comprises the following steps: quail eggs are pre-cooked in a pre-cooking liquid at a low temperature, the pH value of the pre-cooking liquid is 4.5-6.0, and the low-temperature pre-cooking temperature is 20-55 DEG C; and cooking the quail eggs which are precooked at low temperature. According to the method, the quail eggs are pre-cooked in the pre-cooking liquid at the temperature of 20-55 DEG C, the pH value of the pre-cooking liquid is adjusted to 4.5-6.0, and the protein retention effect of the quail eggs and the yield of the quail eggs are greatly improved through synergistic regulation and control and synergistic interaction of the specific temperature and the specific pH value.

The utility model belongs to the technical field of trays, and particularly relates to an anti-bumping quail egg tray which comprises a tray body, a bearing plate is installed in the tray body, a set of containing grooves are formed in the upper end of the bearing plate, an ejection assembly is arranged in the tray body, and an anti-falling assembly is arranged on the tray body. Bottom feet are installed at the four corners of the bottom end of the tray body, cushion blocks are installed at the four corners of the upper end of the tray body, and clamping grooves are formed in the upper ends of the four cushion blocks. Through the arrangement of the ejection assembly, quail eggs can be ejected out of the placement groove, so that the aim of conveniently taking the quail eggs is achieved, and the quail eggs are convenient to take and operate; the quail eggs placed in the placing grooves can be wrapped and limited through the arrangement of the anti-falling assemblies, so that the phenomenon that the quail eggs fall off when the tray body is carried and transported can be avoided, the protection effect is improved, and loss caused by breakage of the quail eggs due to falling off is also avoided.

The utility model relates to food processing technical field especially relates to a kind of anti-adhesion quail egg shelling equipment, including support frame, processing cabin, ultrasonic generator and ultrasonic transducer etc., processing cabin is installed in the upper portion of support frame, the upper portion of processing cabin is sealed processing area in front side, the upper portion of processing cabin is continuously extended and penetrates and is divided into from the lower processing area in rear side and inner lower portion, ultrasonic generator is installed in sealed processing area front part, ultrasonic transducer is connected in the side portion of ultrasonic generator, the output end of ultrasonic transducer is inserted into the inboard portion of sealed processing area.The utility model is through the high-frequency vibration wave of ultrasonic generator and transducer, soften the inner membrane adhesion between quail egg shell and egg body, significantly reduce the adhesion risk of egg shell and egg body in shelling process, solve the problem of high breakage rate caused by adhesion of traditional equipment.

The utility model relates to the technical field of quail breeding, in particular to an excrement cleaning device for quail breeding. An excrement cleaning device for quail breeding comprises an excrement frame, an excrement containing groove and a water pipe, the excrement containing groove is formed in the excrement frame, a plurality of flow dividing pipes are connected to one side of the excrement frame, the water pipe is communicated among the flow dividing pipes, water outlet grooves communicated with the flow dividing pipes in a one-to-one correspondence mode are formed in the side, close to the flow dividing pipes, of the excrement containing groove, and an electric sliding rail is installed on the excrement frame. A connecting rod is installed on a sliding block of the electric sliding rail, a sliding rod is slidably connected to the connecting rod, a sliding groove is formed in the inner side face of the excrement containing groove, a scraping plate matched with the excrement containing groove is slidably connected into the sliding groove, and the scraping plate is fixedly connected with the sliding rod. Through the water outlet groove, water is dispersed outwards when entering the excrement containing groove under the flow guide effect of the water outlet groove, excrement at the whole inner bottom of the excrement containing groove can be conveniently flushed, and meanwhile through driving of the electric sliding rail, the scraping plate automatically scrapes the inner bottom of the excrement containing groove to clean the excrement.

The utility model discloses a kind of based on quail egg food processing's marinating equipment, belong to quail egg processing field, including marinating jar, the top of marinating jar is rotatably connected with top cover, the bottom of marinating jar one side is fixedly connected with discharge pipe, the inside of marinating jar is equipped with the stirring subassembly of stirring marinating, the inside of stirring subassembly is equipped with inner ring, and the center of inner ring bottom is fixedly connected with center column;Through the fixed groove on the limiting disc and the placing groove design of net bag quail egg, quail egg is separated and fixed in independent space in multiple batches, combined with the clamping structure of limiting cover and fixed column and the rotation around center column, ensure that quail egg does not collide each other or with jar body, stirring component occurs violent collision in stirring process, and elastic net constitutes buffer layer and further absorbs possible impact force, to effectively avoid breakage, significantly improve product integrity, reduce raw material loss.

The invention relates to the field of agricultural cultivation, and particularly discloses an intelligent quail cultivation system and method integrating the Internet of Things and symbiotic circulation, and the method comprises the steps: S1, collecting the multi-dimensional data of quail cultivation, aquaculture, vegetable planting and other symbiotic units, and carrying out the preprocessing verification; s2, constructing a correlation model to calculate cyclic matching parameters; s3, graded degradation of feces and accurate distribution of nutrients are realized through a stage adaptive unit; s4, linkage regulation and control of the breeding environment and the symbiotic unit and prevention and control of epidemic diseases And S5, performing full-process data digital recording and encrypted traceability to form closed-loop management. According to the invention, the defects of extensive regulation and control of the existing quail breeding environment, low efficiency of waste circulation, passive epidemic disease prevention and control and insufficient management digitization are overcome, the breeding efficiency and the resource utilization rate are effectively improved, and efficient circulation and whole-course controllable management of material energy are realized.

1. Name of the designed product: packing bag (quail egg). 2. Use of the designed product: used for packing food of quail egg series. 3. Design points of the designed product: the combination of shape, pattern and color. 4. Picture or photo best indicating the design points: perspective view 1. 5. The designed product contains color.

This application relates to the field of feed processing technology, specifically to a quail feed that can improve egg production rate and egg quality, and its preparation method. Specifically, the quail feed, by weight, includes the following components: 50-90 parts feed matrix, 0.5-4 parts eggshell fortifier, 0.1-0.5 parts sodium chloride, 0.5-2 parts vitamins, and 5-10 parts component A, wherein component A includes 0.1-1.2 parts microbial agent, 1-5 parts amino acids, and 2-6 parts sugars. Using the quail feed provided in this application allows quails to maintain good egg production rate and egg quality even in environments with fluctuating temperatures. Compared to existing quail feeds, it has better applicability, and its simple composition makes it easy to prepare, thus possessing significant application value.

1. Name of the product of this design: packaging bag (nine-liter shelled quail eggs). 2. Purpose of this design product: food packaging. 3. The design key point of this appearance design product lies in the combination of pattern and color. 4. The picture or photo that best illustrates the key points of the design: main view. 5. The design for which protection is sought includes color. 6. This appearance design product is a thin product, and the left view, right view, top view and bottom view are omitted. 7. Other situations that require explanation Other explanations: The area indicated at A in the figure is transparent.

The invention discloses an antibiotic-free quail growth-promoting feed capable of regulating intestinal flora and a preparation method of the antibiotic-free quail growth-promoting feed, and belongs to the technical field of livestock and poultry feeds. Inoculating the mixed fermentation strain liquid to the fermentation substrate to obtain a to-be-fermented mixture, fermenting the to-be-fermented mixture, and filtering to obtain fermentation liquid; mixing the fermentation liquid and the liposome hydration liquid, performing ultrasonic treatment, and performing spray drying to obtain the antibiotic-free quail growth promoting feed. The feed prepared by the method disclosed by the invention achieves the purposes of promoting the growth of quails and regulating intestinal flora.

The present invention relates to a method for producing a poxvirus viral vector-based vaccine product from a avian cell line. In some embodiments, the avian cell line is a suspended quail cell line. Pharmaceutical compositions, such as vaccines, produced by the method of the present invention are also provided. In some embodiments, the poxvirus viral vector is modified vaccinia virus ankara ("MVA") or recombinant MVA. In some embodiments, the recombinant MVA encodes a heterologous antigen and can be used to produce a vaccine against that antigen. In some embodiments, the recombinant MVA encodes an antigen of respiratory syncytial virus (RSV), and the avian cell line is used to produce a vaccine against RSV containing recombinant MVA and / or the encoded antigen.

The invention relates to a secondary self-sexing mating method for meat quails and egg quails, and belongs to the technical field of self-sexing breeding of quails. The method comprises the following steps: (1) hybridizing an egg-type Beijing white-feather male quail and a meat-type Difark female quail to produce an F1 generation; male and female quails are identified according to the feather color of the F1 generation, the chestnut feather is a male quail, and the white feather is a female quail; or (2) hybridizing a Chinese yellow-feather male quail and a meat type Difankg female quail to produce an F1 generation; male and female quails are identified according to the F1 generation feather color, the chestnut feather is a male quail, and the yellow feather is a female quail. According to the method, Beijing white-feather quails and Chinese yellow-feather quails are respectively hybridized with meat type Difankg (FM line) quails, and the characteristics of white-feather and yellow-feather sex-accompanying inheritance are utilized to realize self-sex identification of the first generation of hybrid. And the first generation of hybrid has the characteristics of good meat production performance and high egg production performance of parents, can realize germplasm resource innovation of egg-type and meat-type quails, and has important practical application value for relieving supply and demand contradiction of high-quality quail meat in China and improving comprehensive benefits of quail breeding industry.

The utility model belongs to the technical field of drying equipment, and particularly relates to quail egg processing drying equipment which comprises a box body, the right side of the box body is fixedly connected with a fixing pipe, the right side of the fixing pipe is fixedly connected with a heating box, the lower end of the heating box is fixedly connected with a support, and a heating piece is arranged in the heating box. And a fan is arranged in the heating box, a filter screen is fixedly connected to the interior of the heating box, and a rotating shaft is rotationally connected to the interior of the filter screen. According to the quail egg drying device, the heating box, the fixing pipe and other components are arranged, gas can be fed into the box body through the heating box to rapidly dry quail eggs, water vapor on the surfaces of the egg shells can be better removed, the filter screen can be prevented from being blocked in the using process through the rotating shaft, the scraping plate and other components, and the drying efficiency is improved. The problems that when quail eggs are processed, water vapor on the surfaces of egg shells is inconvenient to drain, and the processing is inconvenient are solved.

The embodiment of the invention discloses an anti-channel conflict code spraying device for soft yolk quail eggs, and the device comprises a transmission part which comprises a conveying part which comprises a feeding end and a discharging end; the code spraying piece is arranged at the discharging end and used for spraying codes on the soft yolk quail eggs; the material guiding assembly is arranged above the conveying face of the conveying piece in the conveying direction of the conveying piece, a preset distance is formed between the material guiding assembly and the conveying piece in the height direction, a material guiding channel is formed in the material guiding assembly, and the width of the material guiding channel is gradually narrowed in the conveying direction; and the material arranging piece is arranged above the material guiding assembly and located between the feeding end and the code spraying piece, and the material arranging piece is used for paving the soft yolk quail eggs stacked on the conveying face. According to the anti-channel conflict code spraying equipment for the soft yolk quail eggs provided by the embodiment of the invention, the stacked soft yolk quail eggs can be spread and guided through the arrangement of the material guide assembly and the material arrangement piece, so that the soft yolk quail eggs pass through the code spraying piece in sequence in a flat and orderly manner, and the code spraying efficiency of the code spraying piece is improved.

1. Name of the designed product: packing box (quail egg 1). 2. Use of the designed product: for packing quail eggs. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The utility model belongs to the technical field of soaking devices, and particularly relates to a soaking device for quail egg processing, which comprises a barrel body, a cover is slidably connected to the upper end of the inner side of the barrel body, a threaded rod is connected to the inside of the cover through a bearing, a connecting frame is connected to the outer side of the threaded rod through threads, and the lower end of the connecting frame is in contact with a filter screen. The upper end of the filter screen is fixedly connected with a mounting block, the mounting block is in contact with the connecting frame, and a dismounting mechanism is arranged on the mounting block. According to the soaking device for processing the quail eggs, the threaded rod, the connecting frame, the filter screen and other components are arranged, the threaded rod and the connecting frame can do threaded motion by rotating the threaded rod, so that the connecting frame drives the filter screen to press the quail eggs into soaking water, and the problems that when the soaking device for processing the quail eggs is used, the quail eggs floating above are prone to being soaked incompletely, and the soaking effect is poor are solved. And the effect of the quail egg finished product is not good.

The invention discloses a quail egg intelligent detection method and system based on multi-source data fusion, and relates to the technical field of quail egg quality detection. The quail egg intelligent detection method based on multi-source data fusion comprises the following steps: acquiring visible light images, near-infrared images and geometric parameter data of quail eggs, extracting image texture features and spectral response features, respectively analyzing image equilibrium indexes and structure transmission indexes, and analyzing geometric morphology indexes in combination with morphological parameters; according to the method, the visible light image, the near-infrared image and the geometric parameters are fused, the image equilibrium index, the structure transmission index and the geometric morphology index are extracted, the comprehensive state index is constructed, and the quality grade of the quail eggs to be detected is determined. The quail egg quality can be comprehensively evaluated from multiple dimensions such as appearance, light transmission and form, internal abnormal conditions prone to missed judgment in traditional image detection are effectively recognized, and the accuracy degree of quality grade judgment and the stability degree of an overall detection result are improved.

The utility model discloses a quail egg shelling machine, belongs to the technical field of quail egg processing, and mainly solves the problems that in the prior art, cooked quail eggs need to be manually and independently shelled, but when a large number of quail eggs are processed, the quail eggs need to be manually broken one by one, time is wasted, the labor intensity is high, and the processing efficiency is high. The quail egg shelling machine comprises a supporting table, the top of the supporting table is fixedly connected with a mounting frame, the mounting frame is provided with a control box, the top of the control box is provided with a processing shell, a shell breaking box is slidably mounted in the processing shell, and a mounting groove is formed in the processing shell; two transmission wheels are arranged in the mounting groove through a rotating shaft, a fixing shaft is fixedly connected between the two transmission wheels, two symmetrical connecting plates are fixedly connected to one side of the shell breaking box, a rotating shaft is arranged between the two connecting plates through a bearing, a connecting rod is coaxially arranged on the surface of the rotating shaft, and the connecting rod is rotationally connected with the fixing shaft through a bearing.

The utility model discloses an automatic detection sorting system for quail egg products, which relates to the technical field of quail egg processing and comprises a rack and a screening component, a conveying motor is arranged on one side of the rack, an output shaft of the conveying motor is connected with a conveying roller, the screening component is arranged at one end of the conveying roller, and the conveying roller is connected with the screening component. And the screening assembly comprises a gear, a gear ring, a screening cylinder, a pin roller, a supporting ring, a detection hole and a spiral strip, the top of the gear is meshed with the gear ring, and the screening cylinder is arranged in the gear ring. According to the automatic quail egg product detecting and sorting system, through the arrangement of the screening assembly, after processed quail egg products enter a screening cylinder, a conveying motor drives the screening cylinder to rotate through a conveying roller, a gear and a gear ring, so that a spiral strip can push a single quail egg to move rightwards; therefore, the quail eggs can pass through the gradually increased detection holes in sequence, the sizes of the quail eggs can be automatically detected and sorted, and the sorting level can be improved.

The invention provides a biotoxicity detection method for quail feed containing microplastics, and relates to the technical field of biotoxicity detection. According to the biotoxicity detection method of the micro-plastic-containing quail feed, a multi-factor micro-plastic exposure model is constructed, histomorphology, biochemical index detection, molecular biology and omics analysis technologies are combined, and the physiological toxicity of micro-plastic exposed through the feed to the intestinal tract, liver and immune system of quails is systematically detected; the comprehensive and accurate evaluation on the toxicity of the micro-plastic-containing quail feed is realized. According to the method, the detection dimension covers the organ form, biochemical metabolism, flora balance and molecular mechanism, the operation process is standardized, the detection result is high in reliability, and technical support can be provided for microplastic pollution risk management and control and food safety evaluation in livestock and poultry feed.

The invention discloses a method for identifying quail eggs and eggs based on Label-free quantitative proteome, which belongs to the technical field of poultry egg analysis and detection, and comprises the following steps: (1) respectively extracting total proteins of quail eggs and eggs, and carrying out enzymolysis and freeze-drying on the total proteins to obtain enzymolysis products; (2) preparing a test solution by using the enzymolysis product, performing bioinformatics analysis on the test solution by using a liquid chromatography-tandem mass spectrometry technology, and identifying quail eggs and egg related differential proteins; and (3) identifying quail eggs and eggs through differential proteins. The method comprises the following steps: identifying quail eggs and eggs based on Label-free quantitative proteome to obtain UPLC-MS / MS data, identifying proteins in quail egg and egg samples from original mass spectrum data by adopting a database, and analyzing by utilizing software to obtain differential proteins between the quail eggs and the eggs. The method clearly reveals the difference between the quail eggs and the eggs, can be used for distinguishing the quail eggs and the eggs, and is advanced in technical method and reliable in test result.

The utility model relates to the technical field of cooking machines, in particular to a quail egg centering non-yellowish cooking machine which comprises a machine body, a cooking pool and a steam interlayer. A cooking pool is welded in the machine body, and a steam interlayer is arranged between the machine body and the cooking pool; an aeration pipe is welded and mounted at the lower part in the cooking tank, and an air inlet pipe is welded at the left end of the aeration pipe; the chain plate type conveyor is mounted in the cooking tank, and the chain plate type conveyor is positioned above the aeration pipe; a steam pipeline is welded to the lower portion of the right side of the machine body, and the steam pipeline is in through connection with the steam interlayer; a drain valve is welded at the upper part of the left side of the machine body, and the drain valve is communicated with the bottom of the cooking pool. Through the improvement of the structure, the egg yolk cooking machine has the functions of centering the cooked egg yolk and preventing the cooked egg yolk from being slightly yellow, improves the processing quality, and has the advantages of higher practical performance, higher practical value and the like, so that the problems and defects in the prior art and equipment are effectively solved and overcome.

The invention discloses a quail digital breeding data processing system based on terminal cloud collaboration, and belongs to the technical field of quail breeding. Quail breeding is monitored in real time, and breeding collection data is obtained; processing the culture collection data according to a preset data processing mode, and sending the processed culture collection data to a cloud platform; identifying analysis requirements of the user, and analyzing the breeding collection data according to each analysis requirement to obtain an analysis result of each analysis requirement; setting a traceability demand table, and performing real-time traceability analysis on the database according to the traceability demand to obtain each sharing management demand; processing the stored data of the database according to each sharing management demand; real-time, continuous and accurate monitoring of quail breeding environment parameters is achieved, any abnormal changes of key environment indexes such as temperature, humidity and ammonia gas concentration can be captured in time, and farmers can rapidly take effective adjustment measures.

The utility model discloses quail egg size sorting equipment, which relates to the technical field of quail egg processing, and comprises a case body, a feeding mechanism arranged at the top of the case body, a movable plate hinged on the inner wall of the case body, an electric push rod telescopic shaft end connected with the movable plate, a lower end hinged on the inner wall of the case body, and a sorting cylinder arranged below the movable plate, the sorting barrel is fixed in the machine box body through a supporting rod, sieve holes are formed in the bottom of the sorting barrel, an opening formed in the sorting barrel is connected with a material guide pipe, and the other end of the material guide pipe obliquely penetrates through the side wall of the machine box body downwards. The utility model provides quail egg size sorting equipment which can sort out standard qualified quail eggs, small-size quail eggs or broken quail eggs, the standard qualified quail eggs are discharged out of a machine box body from the position of a material guide pipe, and the small-size quail eggs are discharged out of the machine box body from the position of a material outlet. Broken quail eggs or quail egg shells pass through the position of the conveying net chain and fall into the collecting box.

The invention discloses a pet cat food formula and a making process thereof. The pet cat food formula comprises animal basic components: 25% of enzymolysis fresh chicken with bones, 30% of fresh chicken, 10% of fresh complete quail, 8% of fish scale-containing fresh salmon, 5% of fresh chicken liver, 4% of fresh chicken heart and 3% of fermented animal oil; the functional additives comprise 6% of functional fruit and vegetable groups, 2% of freeze-dried queen bee larva powder, 0.5% of propolis, 0.5% of wall-broken bee pollen, 2% of euphausia superba powder, 1% of ostrich liver powder, 1% of catgrass powder and 0.5% of eggshell membrane powder; nutritional additives: 2% of microencapsulated egg yolk powder and 0.2% of a probiotic post-spraying bag; and 0.3% of montmorillonite. According to the method, the meat with bones is pretreated through an enzymolysis technology, macromolecular protein and calcium are pre-decomposed, and the protein digestibility and the calcium bioavailability are remarkably improved; the fermented animal oil is decomposed into smaller molecules and can be directly absorbed without bile emulsification, so that the fat absorption rate is higher; the microencapsulation technology protects the activity of thermosensitive nutrients, and the overall nutrition utilization efficiency is greatly improved.

A vacuum adsorption pad is disclosed, capable of reliably and stably adsorbing quail, chicken, or duck eggs regardless of their shape or posture. The vacuum adsorption pad, formed in a cylindrical shape, is expandable and contractible along its axial direction. It includes: a first abutment portion, formed as an opening and having a first conical shape whose diameter gradually decreases towards the suction side; a second abutment portion, formed at a position closer to the suction side than the first abutment portion, having a second conical shape whose diameter gradually decreases towards the suction side; and one or more first ventral bands formed between the first and second abutment portions and protruding outwards. The maximum diameter of the first abutment portion is 0.6 to 1.2 times the lateral dimension of the egg, and the maximum diameter of the second abutment portion is smaller than the minimum diameter of the first abutment portion and is 0.3 to 0.7 times the lateral dimension of the egg. Adsorption of the egg is achieved by bringing the first and second abutment portions into contact with the egg.