369 results about "Broiler" patented technology

The invention discloses a slag-solid-water separation device for a broiler chicken processing plant. A slag-solid-water separation device for a broiler chicken processing plant comprises a separation device, a water filtering assembly is arranged beside the separation device, a splash-proof shield is erected on the separation device, a connecting guide frame is erected beside the splash-proof shield, a separation frame is arranged in the separation device, a cover is fixed to the separation frame, and a controller covers the lower portion of the cover. A fine slag separation cylinder is mounted on the separation frame; and a screen drum is arranged in the fine slag separation drum. Sewage and slag solids discharged by a broiler processing plant are guided and conveyed through the connecting guide frame, water flow mixed slag solids enter the splash-proof shield from the connecting guide frame, then the sewage and the slag solids are separated in advance, then the slag solids are lifted in the conveying lifting pipe and enter the fine slag separation cylinder to be separated again, and finally the slag solids are discharged out of the separation equipment. Low-moisture residue solid discharge is realized, the influence of the residue solid on the subsequent sewage treatment efficiency is avoided, in addition, the separated residue solid can be treated in a centralized manner, and resource waste is avoided.

The invention discloses a quick broiler fresh-locking refrigeration house which comprises a refrigeration house body, an in-house opening and closing door is installed on the inner wall of the refrigeration house body, an electric controller is installed on the same side of the in-house opening and closing door, an even number of driving motors are installed on the refrigeration house body, an out-house opening and closing door is installed on the outer wall of the refrigeration house body, and an even number of outdoor condensation units are installed on the top of the refrigeration house body. An in-storage bin is arranged in the refrigeration storage, inner supporting columns are fixed to the four corners of the in-storage bin, and an even number of cold supply assemblies are installed on the top of the in-storage bin. After cold air is input into the conveying air guide cylinder, the cold air is divided into two parts through the flow dividing inner cavity, enters the independent frame inner cavity and is guided to the connecting cover opening through the cavity wall air guide block; meanwhile, the plate side temperature sensor feeds back a temperature signal to the electric controller, the electric controller is triggered to adjust the first electric control motor and the second electric control motor, the air volume and the air outlet angle are changed, and air outlet of the duckbilled covers with the shutters at different heights is matched with the temperature of products placed on the movable goods shelf; and the condition of freshness locking failure caused by slow cooling and large temperature difference of broiler chickens on middle and lower shelves is avoided.

The invention provides a broiler meat temper mill which comprises a conveyor belt, a first flattening mechanism, a flattening and tenderizing mechanism, a second flattening mechanism and a detection mechanism used for achieving chicken thickness detection are sequentially arranged on the conveyor belt from left to right, and a recycling and distributing conveyor belt is arranged below the conveyor belt. A screening and distributing piece is arranged at the discharging end of the conveying belt; the flattening and tenderizing mechanism comprises L-shaped supporting plates, the L-shaped supporting plates are arranged on the upper surfaces of a left supporting plate and a right supporting plate of the conveying belt, a first screw rod is spirally embedded in a transverse plate of each L-shaped supporting plate, a lifting plate is arranged at the tail end of each first screw rod, and each first screw rod is spirally fixed through a fixing nut; extension blocks are arranged on the periphery of the lower surface of the lifting plate, guide openings are formed in the extension blocks, and reset springs are arranged in the guide openings. According to the invention, automatic continuous production can be realized, meat processing uniformity is improved, and tenderization and detection functions are integrated.

The broiler processing refrigeration warehouse comprises a refrigeration warehouse body, a warehouse door is installed on the surface of the refrigeration warehouse body, a controller is arranged on one side of the warehouse door, a gas tank is arranged outside the refrigeration warehouse body, a transmission device is arranged on the other side of the warehouse door, and a temperature sensor is installed beside the transmission device; an in-warehouse bin is formed in the refrigeration warehouse, a partition layer is installed in the in-warehouse bin, a door groove is formed in the wall of the in-warehouse bin, a ladder stand is erected on the partition layer, refrigeration equipment is installed in the in-warehouse bin, and a refrigeration evaporator is placed beside the refrigeration equipment. In the using process, the transmission device is started, and the transmission shaft drives the linkage screw to rotate; the linkage screw drives the first cam on the linkage screw to rotate, then the second cam is pushed through the linkage effect, the movement of the second cam promotes the bracket plate to do vertical displacement along the limiting sliding rod, and finally the scraping cover is driven to scrape and remove ice blocks on the fins. The process can effectively avoid the problem that the heat exchange efficiency is greatly reduced due to the fact that ice accumulated between the fins hinders airflow.

The invention discloses a feed for improving the flavor of broiler chickens and a preparation method of the feed, and belongs to the technical field of poultry feeds and feed preparation. Comprising the following components in parts by weight: 55 to 65 parts of basic ration, 35 to 40 parts of sea buckthorn pomace and bean dreg combined ferment, 3 to 5 parts of aquatic product leftover enzymatic hydrolysate, 3.5 to 4.0 parts of trehalose, 1.0 to 1.5 parts of ground cinnamon, 1.0 to 1.5 parts of xylooligosaccharide, 0.8 to 1.0 part of choline, 0.0001 to 0.0002 part of organic selenium and 0.01 to 0.02 part of folic acid. The mass ratio of the choline to the aquatic product leftover enzymatic hydrolysate is 1: (3.0-5.6); the mass ratio of the organic selenium to the sea buckthorn pomace and bean dreg combined fermentation product is 1: (58-100); the sea buckthorn pomace and bean dreg combined fermentation product is prepared by respectively pretreating sea buckthorn pomace and bean dregs and then carrying out aerobic, facultative and anaerobic continuous three-stage fermentation. The technical limitations that flavor substances of traditional feed are easy to inactivate and the utilization rate of agricultural by-products is low are broken through, and the breakthrough of flavor quality upgrading, efficient resource conversion and breeding benefit optimization is achieved.

The invention discloses a broiler chicken transportation carriage with air guiding and conveying functions. A broiler chicken transportation carriage capable of achieving air guiding and conveying comprises a transportation vehicle, a carriage body is installed behind the transportation vehicle, a fixing frame is installed on the top outside the transportation vehicle, and a leaf-shaped head guiding cover is fixed to the fixing frame; the compartment comprises a compartment body, a swing compartment door is installed behind the compartment body, a compartment carrying bin is formed in the compartment body, a plurality of sets of handrail sleeves are installed on the inner wall of the compartment body, arch-shaped frame pipes are erected between the handrail sleeves, a plurality of sets of air guiding devices are installed on the arch-shaped frame pipes, and a plurality of sets of air supply devices are fixed to the inner wall of the front portion of the compartment carrying bin. A separation air guide plate is arranged in the air guide device, a fixed swing frame is fixed to the separation air guide plate, even number sets of air guide covers are installed on the front surface and the rear surface of the separation air guide plate, extrusion-preventing spring frames are arranged on the two sides of each air guide cover, a fixing lug is arranged on the outer wall of the tail end of the separation air guide plate, a hanging and fixing assembly is installed on the fixing lug, and a built-in inclined guide groove is formed in each air guide cover.

The invention discloses a prediction model for predicting the utilization rate of standardized mineral elements of wheat feed raw materials on white feather broiler chickens and construction and application of the prediction model, conventional nutritional ingredients and antinutritional factor contents are obtained as input variables, measured values are taken as output variables, and the standard phosphorus utilization rate = 67.54-2.60 * neutral detergent fibers is obtained; the standardized copper utilization rate is equal to 13.00 + 2.03 * crude protein-3.89 * crude fiber + 13.85 * crude ash-2.51 * phytic acid, the standardized iron utilization rate is equal to 10.05 + 3.21 * crude protein-12.16 * crude fiber + 16.68 * crude ash, and the standardized zinc utilization rate is equal to 14.12 + 29.51 * crude protein-5.42 * crude fiber. The method solves the problems of large workload and long time consumption in the existing determination of the standardized mineral element utilization rate of the wheat feed raw material, and can rapidly predict the standardized mineral element utilization rate of the wheat feed raw material on broiler chickens.

The invention discloses a ventilation system for a broiler chicken hatching plant. A ventilation system for a broiler chicken hatching plant comprises a ventilation control box, a ventilation shield is installed above the ventilation control box, a waterproof partition plate is fixed to the periphery of the ventilation control box, a box body is arranged in the ventilation control box, a driving controller box is installed on the outer wall of the box body, a driving gear is installed on the driving controller box, and an unpowered ventilator is installed in the box body. A plurality of groups of side supporting tables are arranged on the outer wall of the box body, and anti-deviation guide blocks are mounted on the plurality of groups of side supporting tables. According to the unpowered ventilator, the real-time wind direction is detected through the wind direction detector, when the wind direction is in the same direction as the arc-shaped protective cover, a driver in the driving controller box triggers and drives the rotating disc to rotate, so that reversing of the arc-shaped protective cover is achieved, the unpowered ventilator after reversing is not affected by wind bodies in the same direction, and the unpowered ventilator is safe and reliable. The situation that a wind body with sand and dust directly faces the unpowered ventilator, heat in the pipeline is retained, the temperature in the pipeline rises is avoided, and then the pumping and discharging efficiency of the ventilator is ensured.

The invention discloses saccharomyces boulardii, a culture and a preparation method and application of the saccharomyces boulardii. The preservation number of the strain is CCTCC (China Center for Type Culture Collection) NO: M 20252633. The preparation method comprises the following steps: preparing saccharified liquid by taking white spirit vinasse or brewer's grains as a main raw material and adopting a high-temperature alkali treatment and composite enzymolysis process, inoculating strains for liquid-state high-density fermentation, carrying out solid-liquid separation on fermentation liquor, taking a liquid phase, and carrying out spray drying. According to the method, high-value utilization of the waste vinasse is realized, and the production cost is remarkably reduced. The obtained culture is rich in viable bacteria and active small peptides, and has the characteristics of strong tolerance, wide antibacterial spectrum and the like. As a feed additive, the feed additive can effectively reduce the diarrhea rate of piglets, inhibit clostridium perfringens and prawn vibrios of broilers, and improve the oxidation resistance and production performance of animals.

The invention relates to the technical field of feed additives, and discloses a coloring agent added to broiler feed as well as a preparation method and application of the coloring agent. Based on the total mass of the broiler feed, the coloring agent added to the broiler feed comprises the following components: 0.5 wt%-2.0 wt% of grease, 0.2 wt%-1.5 wt% of pigment and 0.01 wt%-0.1 wt% of a fat-soluble antioxidant. According to the broiler chicken feed containing the coloring agent, in the feeding cycle of 14-21 days, the breast skin color of capons with poor coloring can be improved by about 1.5 degrees, the chromaticity of the shanks can be improved by 2-3 degrees, the capons with poor appearance quality can be improved to the ideal chromaticity range purchased in the market, and the commodity grade and the selling price are remarkably improved.

The invention belongs to the field of animal feed, and particularly relates to a method for predicting sorghum amino acid digestibility of white feather broilers. Comprising the following steps: determining the chemical component content of sorghum from different producing areas; preparing test feed and feeding the white feather broilers; determining the standard ileum amino acid digestibility of the white feather broilers of the sorghum from different producing areas in a certain day age; and determining a white feather broiler sorghum standard ileum amino acid digestibility prediction equation. The established prediction equation can accurately predict the standard ileum amino acid digestibility of the white feather broiler sorghum, so that the method plays a practical guiding role in efficient utilization of sorghum resources and accurate preparation of feed.

The invention discloses a breeding method of a new strain of meat dwarf recessive white-feather black-bone chickens, and belongs to the technical field of special high-quality broiler chicken seed production. The novel meat dwarf recessive white-feather black-bone chicken strain bred by the method meets the requirements of the market on black meat, fast growth, feeding space, feed conversion rate and the like; by utilizing the recessive white feather characteristic, the new strain is matched with the black-bone chicken paternal line with other feather colors, the feather color of the offspring chicken is consistent with that of the paternal black-bone chicken, and meanwhile, the consistency of the blackness of the black-bone chicken is ensured. The new strain can also be used as a paternal line or a maternal line to be applied to black-bone chicken production through white-skin high-quality chicken hybridization. When the new strain is applied to hybridization matching, the problem of feather color and blackness differentiation caused by growth speed increase through hybridization can be well solved, and the market requirements of live colored-feather black-bone chickens are met.

The utility model discloses a broiler slaughtering claw cutting machine, which relates to the technical field of broiler slaughtering and comprises a mounting seat, two rotating rollers are rotatably mounted in the mounting seat, a conveying belt is mounted on the outer sides of the two rotating rollers, a motor is fixedly mounted on one side of the mounting seat, shaft rods are fixedly mounted at two ends of each rotating roller, and the shaft rods are fixedly mounted on the mounting seat. The output end of the motor extends to the inner side of the mounting base and is fixedly connected with one shaft rod, and a plurality of U-shaped rods are fixedly mounted on the two sides of the conveying belt correspondingly. The device has the beneficial effects that the rotating roller, the conveying belt, the motor, the shaft rod, the U-shaped rod, the mounting rod, the mounting plate, a transmission gear, a rotating shaft, a driven gear, a toothed chain, an eccentric wheel, a positioning plate, a sliding rod, an abutting plate, a spring and a cutter are arranged; when broilers are slaughtered and cut, the broilers only need to be placed on the conveying belt, chicken claws are clamped through the U-shaped rods, automatic claw cutting and discharging can be achieved, the overall processing efficiency is high, and use is convenient and fast.

The utility model discloses an odor treatment device for a broiler chicken farm, which relates to the technical field of broiler chicken farms and comprises a farm room and a top attic body fixedly mounted on the outer top surface of the farm room, and through type openings are symmetrically formed in the outer wall of the front side of the farm room. Meanwhile, the inner sides of the two openings are provided with air suction assemblies for exhausting and filtering odor in the breeding house. According to the device disclosed by the utility model, foul odor generated in the breeding house is extracted through the exhaust fan, and impurities in the foul odor are filtered through the filter screen in the extraction process and then are adsorbed and deodorized through the activated carbon filter plate; and therefore, not only can the foul odor be treated to reduce the harm to the environment and human bodies, but also the possibility that impurities are attached to the activated carbon filter plate to cause blockage and influence the normal use of the activated carbon filter plate can be reduced.

The utility model relates to the technical field of broiler chicken processing, and discloses a broiler chicken processing slaughtering table which comprises a slaughtering table body, a broiler chicken bloodletting protection mechanism is arranged on the left side of the top of the slaughtering table body, the broiler chicken bloodletting protection mechanism comprises a limiting cover, and the lower portion of the outer wall of the limiting cover is fixedly connected into the left side of the slaughtering table body in a sleeved mode. Two arc-shaped clamping plates are arranged on the two sides of the interior of the limiting cover, and a plurality of straight rods are movably connected to the two sides of the limiting cover in a sleeving mode. Through the cooperation of the limiting cover, the arc-shaped clamping plate, the straight rod, the connecting plate and the spring, a broiler can be inversely placed in the limiting cover, the neck and the head of the broiler are located below the limiting cover, meanwhile, the broiler can be clamped through the cooperation of the arc-shaped clamping plate and the elasticity of the spring, and the body of the broiler is clamped in the limiting cover; the situation that broiler chicken moves disorderly during slaughtering, and consequently chicken blood collection is affected is avoided, and by means of the collecting tank, chicken blood collection is facilitated.

The present application belongs to the technical field of animal health care, and particularly relates to a fermented decoction for improving growth and immune function of broilers and a preparation method thereof. The fermented decoction for improving growth and immune function of broilers is prepared from the following raw materials by fermentation according to weight parts: radix codonopsis 8-12 parts, angelica sinensis 3-7 parts, cornus officinalis 8-12 parts, cinnamomum cassia 3-7 parts and portulaca oleracea 3-7 parts. The fermented decoction significantly increases the body weight of broilers, significantly improves the thymus index and spleen index, and increases the IgG and IgM contents in serum, thereby promoting the growth of broilers and improving the immune function of broilers. The preparation method of the fermented decoction is simple, and is suitable for industrialized production and market promotion and application.

The invention relates to the technical field of biomolecular markers, and provides a chicken butyric acid level and / or death rate related SNP marker and application thereof, the SNP marker comprises a 106476774th nucleotide site corresponding to a No.3 chromosome of a GRCg6a-galGal6 genome, and the basic group of the nucleotide site is A or T. The invention also provides an application of the SNP marker in chicken butyric acid level and / or death rate related SNP marker in chicken butyric acid level and / or death rate related SNP marker in chicken butyric acid level and / or death rate related SNP marker in chicken butyric acid level and / or death rate related SNP marker. By optimizing the dominant alleles of the SNP, broilers with the butyric acid level and / or high and low mortality can be rapidly identified, broilers with high mortality can be eliminated, the frequency of the dominant alleles is increased generation by generation through breeding, the butyric acid level and / or mortality of the broilers, especially the 28-42-day-old stage, of the broilers is reduced, the genetic improvement progress of the domestic broilers is accelerated, and the breeding efficiency of the domestic broilers is improved. Therefore, the economic benefit of chicken breeding is effectively improved, and the application value is high.

The invention belongs to the technical field of poultry feeds, and relates to a broiler Chinese herbal medicine feed capable of improving the yield and quality of chicken and a preparation method of the broiler Chinese herbal medicine feed. The problems that an existing broiler feed is low in safety and ingredient utilization rate, resource waste and active matter inactivation are easily caused and the like are solved, an ecological industrial chain of efficient extraction, cyclic utilization and accurate delivery is constructed, and meanwhile the industrial upgrading requirements of no resistance, high efficiency and stability are met.

The application provides a modern excrement treatment device for broiler farm, and relates to the technical field of excrement treatment, which comprises a septic tank, the upper end of the septic tank is closed, a horizontal driving frame is installed on the top of the septic tank, and a controller is installed on one side of the driving frame; a dry-wet separation shaft is vertically and rotatably installed at a position close to the top of the inner cavity of the septic tank, the upper end of the dry-wet separation shaft penetrates through the top plate of the septic tank, and the lower end of the dry-wet separation shaft is fixedly connected with a ceramic filter disc with the same diameter as the inner cavity of the septic tank. Through the ceramic filter disc driven by a servo motor and reversely rotating clockwise, the control material frame arranged at a specific angle above the ceramic filter disc, and the occlusion mechanism composed of the upper knife table vertically and reciprocally movable driven by a cam and the fixed lower knife table, the active dredging, crushing and quantitative control of the excrement entering the separation zone are realized.

A method for breeding broiler chickens comprising a step of placing chicken eggs in an incubator (1) in order to be incubated therein until the hatching of chicks, said method being characterized in that it further comprises the following steps of: transferring the chicks from the incubator (1) to a chick breeding house (2) and maintaining them therein until the chicks reach an appropriate weight for being safely transferred to a poultry house (3), and transferring the chicks from the chick breeding house (2) to the poultry house (3) and maintaining them therein until the chicks reach an appropriate weight for harvesting.

The invention provides a broiler chicken breeding vehicle cleaning and disinfecting system which comprises a cleaning workshop, the interior of the cleaning workshop is divided into a left cleaning area and a right cleaning area through a partition plate, waste water collecting pieces are arranged on the inner bottom faces of the cleaning areas, and a plurality of U-shaped water outlet pipes are arranged between the left side face and the right side face in the cleaning areas at equal intervals. The water inlet end of the U-shaped water outlet pipe is connected with a water inlet pipe, and a plurality of first atomizing nozzles are arranged on the U-shaped water outlet pipe at equal intervals; auxiliary protection plates are hinged to the front surface and the rear surface of the cleaning area bottom plate through rotating shafts; the cleaning efficiency can be improved, waste water can be effectively collected, the disinfection effect is enhanced, and it is ensured that vehicles are dry and clean.

The invention discloses a chicken sneezing respiratory disease early warning method based on CNN-SE parameter fusion, and relates to the technical field of livestock and poultry breeding environment monitoring, and the method comprises the steps: building an infection model through avibacterium paragallinarum challenge, collecting full-time sequence audio data, and carrying out the preprocessing; constructing a multi-dimensional structured feature map, training a CNN + SE model, and identifying three types of sneezing, chirping and other sounds; the method comprises the following steps of: screening specific intensity type and frequency spectrum type acoustic characteristics, and calculating a comprehensive score of an audio clip per hour in combination with a chick frequency and a sneezing frequency; a comprehensive threshold value is determined through two threshold value methods, and a three-level early warning level judgment method is set. Therefore, by adopting the early warning method for the sneezing respiratory disease of the broiler chicken based on CNN-SE parameter fusion, the discrimination capability of the sneezing sound of the respiratory tract is effectively improved, the sensitivity and the stability of the system are remarkably enhanced, excessive alarm and missing alarm are avoided, and the early warning method is suitable for early warning of the respiratory disease with sneezing as a main symptom.

This invention relates to a combination of SNP molecular markers for identifying AA broiler chickens, a detection kit, and their applications. The SNP molecular marker combination for identifying AA broiler chickens of this invention consists of 25 SNP molecular markers; the SNP sites of molecular markers 1-25 are located at position 51 of the nucleotide sequences shown in SEQ ID NO. 1-25. The SNP molecular marker combination of this invention exhibits significant species specificity for AA broiler chickens, representing unique variation and important trait-determining sites specific to AA broiler chickens. It enables rapid identification of genuine AA broiler chickens using relatively little genotypic information, providing a new technical reference for future identification, preservation, and genetic breeding of AA broiler chicken breeds.

The invention discloses chicken foot pre-bending and pre-cutting equipment which comprises a supporting frame, a water guide table is fixedly embedded in the supporting frame, a pre-cutting device is installed on the supporting frame, and an auxiliary cutting assembly is installed on the supporting frame; a frame body is arranged in the supporting frame, inner fixing supporting frames are fixed to the inner wall of the frame body, locking caps are arranged beside the side wall of the frame body, an even number of on-frame outer fixing barrels are installed on the outer wall of one of the inner fixing supporting frames, and limiting rod frames are erected between the on-frame outer fixing barrels; and a first angle adjusting seat and a second angle adjusting seat are arranged in the pre-cutting device. The supporting frame is arranged at the position where an assembly line passes through, the auxiliary cutting assembly completes shallow horizontal pre-cutting on chicken feet, meanwhile, along with displacement of the suspension chain belt of the assembly line, the suspended chicken feet with shallow openings of broilers are driven by the bone chain belt in cooperation with the driving motor under the assistance of the limiting rod frame, and inclined upward jacking is formed; the chicken foot posture adjustment is realized, so that the cutting direction is consistent with the tendon trend, the tendon block breakage problem is solved from the source, and the product delivery quality is ensured.

The application provides application of a SNP genetic marker affecting chicken body weight at the onset of lay in genetic breeding of laying hens, and belongs to the field of animal genetic breeding and biotechnology.The SNP genetic marker affecting chicken body weight at the onset of lay comprises bw1egg_1 and / or bw1egg_2; the Ensembl number of the bw1egg_1 is rs318020581, corresponding to the 76311052th position of the positive strand of chromosome 4 in the chicken reference genome bGalGal1.mat.broiler.GRCg7b sequence published in NCBI, belonging to the 3rd intron of the gene C1QTNF7, and the base at the position is T or G; the Ensembl number of the bw1egg_2 is rs313708699, corresponding to the 74731889th position of the positive strand of chromosome 4 in the chicken reference genome bGalGal1.mat.broiler.GRCg7b sequence published in NCBI, belonging to the 8th intron of the gene SLIT2, and the base at the position is T or C.Both the bw1egg_1 and the bw1egg_2 are helpful to genetically improve the body weight at the onset of lay, and when applied to genetic breeding of chickens, are favorable to improving the body weight at the onset of lay of the laying hens and obtaining a laying hen breed with excellent performance in uniformity of the body weight at the onset of lay.

The invention discloses a high-nutrition chicken fermented feed formula containing dendrobium officinale tender leaves parasitized on taxus chinensis and taxus chinensis tender leaves, and belongs to the technical field of livestock and poultry feed. According to the formula, physiological requirements of chickens in different growth stages are taken as a core, dendrobium officinale tender leaves and taxus chinensis tender leaves parasitizing on taxus chinensis are taken as key functional auxiliary materials, basal feed, other functional auxiliary materials and fermentation strengthening elements are matched, and the feed is prepared through a specific fermentation process. Through fermentation, the absorption rate of nutritional ingredients in the auxiliary materials is increased, effective accumulation of natural flavor substances is achieved, meanwhile, the alkaloid content of taxus chinensis is strictly controlled to be smaller than or equal to 0.01%, and use safety is guaranteed. The feed meets the nutritional requirements of chickens and the taste and quality of chicken and egg products, and is suitable for the breeding requirements of different growth stages of broilers and different egg laying stages of laying hens.

The application provides an application and method of a SNP site related to a chicken age at first egg trait in chicken breeding, and belongs to the technical field of biological breeding. The application discloses a SNP site related to a chicken age at first egg trait, which is located at the 28th chromosome of a chicken genome GGA6 version at the 2104764th position. According to the genotype of the SNP site, the age at first egg trait of sample chickens is selected and bred, and chickens with an age at first egg trait of restlessness can be obtained. The application can be popularized and applied in the selection and improvement of the age at first egg trait of chickens, has important significance for the broiler breeding industry, and has great potential commercial value.

The invention discloses a crus joint clausena lansium fluff removing machine for a slaughtering factory. A shank joint clausena lansium fluff removing machine for a slaughtering factory comprises removing equipment, a controller is fixed to the side wall of the removing equipment, a frame is arranged in the removing equipment, an even number of outer guide shields are installed on the frame, driving boxes are fixed to the outer surfaces of the even number of outer guide shields, and a drying air blower is installed at the top of the frame. Even groups of auxiliary rotary tables are mounted on the inner wall of the frame, and fluff removing brush shafts are mounted on the even groups of auxiliary rotary tables. The removing equipment is installed under the slaughtering assembly line and is arranged at the rear section of the unhairing process, so that when the slaughtering assembly line carries unhaired broiler chickens to travel and pass through, the driving box drives the unhairing brush shafts to rotate in opposite directions, and the shank parts pass through the space between the unhairing brush shafts; the clausena lansium villus is brushed and falls off at the crus joint where the broiler chicken is hung in cooperation with displacement, the clausena lansium villus carried on the surface of the crus joint is removed, and the delivery quality of products is ensured.

The invention discloses a water-soluble diclazuril solution and a preparation method thereof, and belongs to the technical field of veterinary drug preparations, the water-soluble diclazuril solution comprises 10-30 g / L of diclazuril, 100-500 g / L of an organic solvent, 30-60 g / L of an amine organic base, 5-10 g / L of a surfactant, the balance of water for injection, 3-5 g / L of propyl gallate, and 10-15 g / L of a composite fermentation broth, the organic solvent comprises the following components in percentage by mass: 20-40% of N, N-dimethylformamide, 40-70% of propylene glycol and 10-20% of ethanol, and the compound fermentation liquor is a fermentation product obtained by fermenting a mixture of felwort and tamarind fruits with a compound microbial inoculant. The water-soluble diclazuril solution provided by the invention not only can effectively prevent and treat chicken coccidiosis, but also is beneficial to improving the weight gain rate of broiler chickens in the recovery process after infection, the preparation method is simple, the cost is low, the use mode is convenient and efficient, and the use value of the water-soluble diclazuril solution in the aspect of broiler chicken breeding is effectively improved.

The bloodletting device for broiler processing comprises a top plate and a bottom plate, a supporting rod is installed between the top plate and the bottom plate, a conical barrel is installed on the inner wall of the top plate, a limiting mechanism is arranged on the top of the conical barrel, and the limiting mechanism can limit the tails of broilers and prevent the tails of the broilers from struggling off; according to the bloodletting device for broiler chicken processing, a limiting mechanism is arranged at the top of the bloodletting device for broiler chicken processing, after broiler chicken is placed in the conical barrel, a limiting net cover covers the top of the conical barrel in an overturning mode, the tail and the legs of the broiler chicken are limited, and therefore the broiler chicken is prevented from being thrown when bloodletting is conducted on the head of the broiler chicken. The broiler chicken is prevented from being stressed to exit from the conical barrel during bloodletting; after the throat of the broiler is cut, the corrugated pipe extends out to cover the head of the broiler, the head of the broiler is prevented from splashing chicken blood, finally, the flowing-out blood flows into the corresponding blood receiving barrel below, and the chicken blood is convenient to collect.