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31results about How to "Reduce stocking density" patented technology

Fattening method for reducing mutton flavor

InactiveCN107318768AGrowth synchronizationEasy to feed uniformlyAnimal feeding stuffAccessory food factorsFat contentSynchronism
The invention mainly relates to the technical field of breeding and discloses a fattening method for reducing mutton flavor. The fattening method includes weaning and separating, early-stage fattening and later-stage mutton flavor reducing. The method is simple and easy to operate, fat content of obtained mutton is reduced by 6.1% while protein content is increased by 3.3%, the mutton is light in flavor and tender in texture, mutton palatability can be improved evidently to increase mutton sales, and economic income can be increased by 11.2%. Weaned lambs are bred in different houses according to sizes, so that growth synchronism and convenience in unified feeding and slaughtering are realized, and breeding cost is saved. Sheep subjected to fattening is weak in gastrointestinal function and needed to be fed with a great quantity of fattening materials and less silage 50 days before a fattening period, pelelith powder is added into the fattening materials to balance gastrointestinal flora, promote nutrient absorption and accelerate growth and development of the sheep subjected to fattening, and the silage is composed of various plant materials to promote absorption and improve disease resistance of the sheep subjected to fattening, antibiotic consumption is avoided, and mutton tenderness, safety and health are realized.
Owner:合肥合丰牧业股份有限公司

Box-type ecological culture floating bed with planting and breeding integrated

The invention relates to a box-type ecological culture floating bed with planting and breeding integrated, which comprises a box body with an upper opening and a feeding device. The bottom wall and side walls of the box body are composed of porous plates; the upper portion in the box body is provided with a porous partition plate connected with the inner side walls of the box body, and the porous partition plate divides the box body into a planting area for planting aquatic plants in the upper portion and an aquaculture area for breeding aquatic animals in the lower portion; the feeding device is provided with an inlet and an outlet, the inlet of the feeding device is located above the porous partition plate, and the outlet of the feeding device is located below the porous partition plate. According to the box-type ecological culture floating bed with planting and breeding integrated, the box body is used for constructing an integrated body which effectively combines high-density culture of the aquatic animals and planting of the aquatic plants such as aquatic vegetables, so that the cultured animals and the planted crops are mutually beneficial and symbiotic, the integration of efficient planting and efficient breeding is realized, the direct output value of the floating bed is redoubled, and economic benefits are greatly enhanced.
Owner:安阳市水产技术推广服务中心

Healthful aquaculture method of turbot

The invention relates to a healthful aquaculture method of turbot. The method comprises the steps of: preparing a pond with clear water quality, the depth of 2.0-2.5m and the pH value of 7.0-8.5; preparing a net cage made of polyethylene meshes; putting adult turbot into the pond in the early morning of the time period from the middle of March and the middle of April since the water temperature in the time period is 15-20 DEG C; intercropping 2250-3000 / hm2 of silver carp fingerlings and 375 / hm2 of spotted silver carp fingerlings with the lengths of 10-12cm; adopting a method combining mixed feed and animal feed, wherein the crude protein content of the mixed feed is 35%, and the animal feed mainly comprises fresh or frozen chubs, carps, wild fishes and animal liver; putting more animal feed, and feeding the turbot by the animal feed and the mixed feed according to 1-4% of the weights of the turbot.
Owner:苏州市阳澄湖现代农业发展有限公司

Efficient disease prevention pig raising method

The invention provides an efficient disease prevention pig raising method. Pigs with the age smaller than two months and the weight of 30 kg or more and pigs with the age of two months or more and the weight of 40 kg or more are fed on disease prevention pig feed different in weight in a pigsty three times a day until the pigs become full grown and ready for slaughter; the pigs are kept in the pigsty each time the diseases prevention pig feed is fed and are stocked to a small hillside outside the pigsty after feeding. The disease prevention pig feed is prepared from powder pig feed, pig phagostimulant and a basic food material by certain weight. The pig raising method has the advantages of being simple, convenient, economical, practical, small in risk and large in benefit, the pigs have few diseases, according to the pigs fed through the method, pork is free of drug residue, high in quality and good in taste, and the win-win effect of consumers and a pig raising entrepreneur can be achieved.
Owner:陆川县新洲养殖场

Siphoning type zooplankton feed incubation and feeding system and using method thereof

The invention discloses a siphoning type zooplankton feed incubation and feeding system and a using method thereof. The siphoning type zooplankton feed incubation and feeding system comprises a bait tank, a culture pond and a connection pipeline, wherein the bait tank comprises an incubation tank and a siphoning feeding tank which are partitioned by a partition tank, a shading incubation baffle can be inserted into the partition tank, and a live insect separation tank opening is formed in the in the bottom of the separation tank. Bait tank water inlet pipes are respectively arranged at the tops of the incubation tank and the siphoning feeding tank, and a water discharging port is formed in the bottom. A bait discharging pipe and an air supply pipeline are perpendicularly arranged in the siphoning feeding tank, air supply nozzles are arranged at the bottom of the air supply pipeline and respectively supply air to the incubation tank and the siphoning feeding tank, a siphon sleeve is sleeved with the top of the bait discharging pipe connected with the feeding end of a feeding pipeline of the culture pond, and the output end of the feeding pipeline is connected with a diffuser. The using method of the siphoning type zooplankton feed incubation and feeding system comprises the steps of incubation, feeding and cleaning. Incubation, impurity separation and feeding are integrated into one system, so that labor in zooplankton culture is saved, and feeding efficiency is increased.
Owner:宁德市富发水产有限公司

Net cage feeding integrated device for lobster breeding

The invention discloses a net cage feeding integrated device for lobster breeding. The device comprises a rack; a bait hopper is embedded in the rack; the top of the bait hopper is provided with a feed inlet, and the bottom of the bait hopper is provided with a material conveying hose pipe; a net cage is arranged at one side of the rack; a mounting rack is arranged on the top of the net cage; a first vibration motor is fixedly arranged on the top of the mounting rack; an output end of the first vibration motor is connected with a vibrating rod, and a ring-shaped feed sleeve is sleeved on the exterior of the vibrating rod; the ring-shaped feed sleeve is communicated with the bait hopper by means of the material conveying hose; a flow control valve is arranged at the connecting part of the material conveying hose and the bait hopper. The net cage feeding integrated device is provided with a circular truncated cone-shaped bait tray with a ring-shaped trough, and bait falling in a feedingprocess can be enabled to be evenly distributed in the ring-shaped trough of the bait tray, so that lobsters to be fed are enabled to be evenly distributed on the bait tray, and the phenomenon that the growth of the lobsters is seriously influenced due to too high density of the lobsters at the local areas in the net cage can be further avoided.
Owner:岳西县悠然生态农业有限公司

Miichthys miiuy cultivation equipment

The invention discloses miichthys miiuy cultivation equipment, belonging to the technical field of fish cultivation equipment. The miichthys miiuy cultivation equipment comprises cultivation tanks, transmission mechanisms, bait feeding machines and fish attracting devices, wherein the cultivation tanks are symmetrically arranged and are connected through a communication pipe, each cultivation tankis separated into an upper layer and a lower layer, the upper layer is a miichthys miiuy cultivation region, and the lower layer is a kelp cultivation region; and the transmission mechanisms are arranged on the left sides of the cultivation tanks, and bait feeding machines, feeding pumps and the fish attracting devices are sequentially arranged on the right sides of the transmission mechanisms. According to the miichthys miiuy cultivation equipment, the binning and layering cultivation can be realized, the cultivation density is decreased, the cleanness of cultivation water is guaranteed, thegrowth quality of miichthys miiuy is improved, and the survival rate of the miichthys miiuy is relatively high.
Owner:ZHEJIANG OCEAN UNIV

Bubble eye breeding method

The invention provides a bubble eye breeding method which comprises the following steps that 1, a breeding pond is selected, wherein the breeding pond is built in a ventilated place exposed to the sun and sufficient in water source; 2, fish fry is bred, wherein blood worms and matched feeds are adopted for feeding; 3, the fish fry is screened, wherein individuals excellent in posture, body type, color and luster are selected, and individuals having crease marks at tails, abnormal bubbles, defective eyes or heteromorphism are removed; 4, daily management is performed; 5, diseases are prevented and controlled, wherein bacillus liquid and furacilin liquid are sprayed at regular intervals to prevent diseases. The bubble eye breeding method adopts the blood worms and matched feeds for feeding, so that fish bodies are bright in color and luster and rapidly grow. The breeding density is reduced and the feed and breeding costs are also saved through reasonable screening. The furacilin sprayed at regular intervals can prevent gill rot and bleeding diseases, and the bacillus liquid used at regular intervals can purify water and promote feed digestion to achieve higher breeding benefits.
Owner:天津现代晨辉科技集团有限公司

Novel shallow sea cage mixed-culture method for scapharca broughtonii and chlamys farreri

The invention relates to an ecological, intensive and healthy culture method for scapharca broughtonii and chlamys farreri. The novel shallow sea cage mixed-culture method for scapharca broughtonii and chlamys farreri is characterized by comprising the following first culture step of fry selection, the second culture step of device preparation, the third culture step of fry casting, the fourth culture step of first-time cage overturning, the fifth culture step of second-time cage overturning, the sixth culture step of third-time cage overturning and the seventh culture step of adult scapharca broughtonii and adult chlamys farreri obtaining. By means of the novel shallow sea cage mixed-culture method for scapharca broughtonii and chlamys farreri, original bottom-dwelling scapharca broughtonii is cultured in cages, so that the intensification level of culture is increased, the problems that the death rate in scapharca broughtonii cage culture is high and the culture benefit of chlamys farreri is low are solved, and the comprehensive culture benefit is increased.
Owner:中国水产科学研究院长岛增殖实验站

Raising method of Spodoptera frugiperda larvae

The invention provides a raising method of Spodoptera frugiperda larvae, and belongs to the technical field of insect raising. The raising method comprises the following steps that raising the Spodoptera frugiperda larvae in a raising device under the conditions of 28-30 DEG C, light time of 16 h / d, light intensity of 15%-25%, and humidity of 70%-80% until the larvae being old and mature to obtainold and mature larvae. The raising device is a raising device with a cover, and a wrinkle roll paper is covered between the cover of the raising device and a cover opening of the raising device. Using the method of the present invention to feed Spodoptera frugiperda, the five indicators of Spodoptera frugiperda survival rate, pupation rate, feathering rate, average pupal weight and egg productionare close to the raising results of single-head raising, thereby being an effective solution to solve the technical problems of self-killing during raising of Spodoptera frugiperda larvae. The raising method of the invention is easy to operate, and the insect raising efficiency is much better than a single-head raising efficiency, thereby making raising of Spodoptera frugiperda in groups a reality.
Owner:INST OF PLANT PROTECTION SICHUAN ACAD OF AGRI SCI

Young pinctada maxima breeding method and device

The invention discloses a young pinctada maxima breeding method and device. The method includes the steps of larva adhering, stripping and transferring. The breeding device comprises a piece cage and a larva adhering device which are formed by the same type of frames and simple in structure and low in cost. A vertical frame of the larva adhering device is bent outwards. In the moving process especially after a net bag is arranged in a sleeving mode, young pinctada maxima attached to the middle of the larva adhering device is well protected, and damage and falling which may be caused by collision and friction are avoided; each piece of young pinctada maxima can be effectively fixed through the piece cage, the young pinctada maxima is separated, the breeding density is decreased, the pinctada maxima survival rate is increased, the growth speed is accelerated and therefore good application prospects are achieved.
Owner:HAINAN UNIVERSITY

Stair-type prawn breeding net

The invention relates to the field of shrimp breeding equipment, in particular to a stair-type prawn breeding net. The stair-type prawn breeding net comprises a stair-type net box and a ceiling, three sub-net boxes with the horizontal positions sequentially lowered are arranged in the stair-type net box, each sub-net box comprises a round inner box body and a square outer net box body, each round inner net box body is sleeved with the corresponding square outer net box body, a blow-off pipe is arranged at the bottom of each sub-net box, a movable partition plate is arranged between every two adjacent sub-net boxes, the upper portion and the lower portion of the side wall of each round inner net box body are each provided with a sliding rail, the movable partition plates are installed in the sliding rails, a guiding plate is arranged on openings of every two adjacent inner net box bodies, one end of each guiding plate is connected with the bottom of the corresponding round inner net box body higher in relative position, and the other end of each guiding plate is connected with the top of the corresponding round inner net box body lower in relative position; the ceiling is fixed to the upper portion of the stair-type net box. The stair-type prawn breeding net is suitable for growth and activity of prawns, the survival rate of young shrimps is high, and waste in a breeding pond can be conveniently cleaned away.
Owner:许玲

Feeding method of selenium-rich crabs

The invention discloses a feeding method of selenium-rich crabs. The feeding method of the selenium-rich crabs comprises the following steps of firstly, reducing the feeding density of crabs, feeding 600-800 crabs in each mu of water area and simulating the wild environment; secondly, preparing feed for the crabs by using high-protein living insects, adding 0.6%-1.2% organic selenium in parts by mass into the feed and not adding medicines. By reducing the feeding density, the wild environment can be simulated, so that the growth rate can be increased by over 20%; the high-protein living insects are used as feed, so the content of the protein in the crabs is increased, not only are the nutritive values of the crabs improved, but also the taste of the crabs is more delicious.
Owner:兴化市科兴水产养殖专业合作社

Method for carrying out relay culture on Ietalurus Punetaus and freshwater shrimps in culture pond

ActiveCN111418528AEco-efficient production efficiencyIncrease in overall outputClimate change adaptationPisciculture and aquariaPlankton biomassEnvironmental geology
The invention discloses a method for carrying out relay culture on Ietalurus Punetaus and freshwater shrimps in a culture pond. The method comprises the steps of pond preparation, freshwater shrimp and Ietalurus Punetaus fry stocking, culture management, aquatic product capture and the like. According to the method, mutual benefits are achieved on the culture habit and culture crop rotation connection of the aquatic product species: 1) the fertility and the plankton amount of pond water left in the previous culture stage are reasonably utilized; 2) the production efficiency of the pond is brought into full play, and one batch of market commercial Ietalurus Punetaus and two batches of large-size commercial freshwater shrimps are ecologically and efficiently cultured in a three-year cultureperiod; 3) in the Ietalurus Punetaus culture stage, the fingerling stocking density is reasonably reduced, the scale disease occurrence rate is low, the fry survival rate is high, and the feed utilization rate is high; (4) feed, fishery drugs and other input products are used in a decrement mode, environment-friendly water quality regulation measures are reasonably used, ecological benefits are outstanding, and (5) ecological and efficient effects achieved through the relay breeding method have high practical application and popularization value.
Owner:江苏省渔业技术推广中心

Leech culture pond

The invention discloses a leech culture pond, and relates to the technical field of leech culture facility construction. The leech culture pond comprises a pond body comprising a drainage pipe and a water inlet pipe, wherein the water inlet pipe is arranged on one end of the pond body; the drainage pipe is arranged on the other end of the pond body; multiple air nozzles are arranged at the bottompart of the pond body and are respectively connected with an air supply pipe; the pond body is internally provided with a temperature sensor and an oxygen sensor; the pond body is provided with a sliding rail for placing a culture box. Compared with the prior art, the leech culture pond disclosed by the invention is capable of solving the problem that the quality of existing artificially culturedleeches is reduced.
Owner:广西鹿帅仁生物科技有限公司

High-quality breeding hen cage raising method

The invention discloses a high-quality breeding hen cage raising method. The high-quality breeding hen cage raising method comprises the following steps that by using a single-cage raising method, 2-4hens are raised in each cage, cocks need to be raised in a single-cage form through artificial insemination, and the cocks and the breeding hens are raised separately; the temperature and humidity ofa chicken house are controlled; lighting and feeding time is adjusted, wherein the lighting time is 10-14 hours; the body weight is monitored and controlled; the breeding hens are fed with a feed special for the breeding hens, and the cocks are fed with a cock feed; the breeding hens and the cocks are fed with yellow mealworm and artificially bred contamination-free maggots, and a compound bacteria agent is regularly added to the feed for the breeding hens and the cock feed. By using the scientific reasonable management method, cage raising is conducted with the combination of the feed in a scientific proportion, the breeding hens are large in size, the meat quality is good, the disease resistance is high, and the fertilization rate is high.
Owner:永胜银杏农业开发有限公司

Large-scale efficient farming method of meat ducks

The invention provides a large-scale efficient farming method of meat ducks and relates to the technical field of farming of poultry. The large-scale efficient farming method of meat ducks comprises the steps of (1) building a greenhouse, closing for fumigating, and opening doors and windows for ventilating; (2) inoculating vaccines to ducklings, and during feeding 2 days before the inoculation ofthe vaccines, mixing well crushed corn, crushed black bean and crushed brown rice in a weight ratio of 3:1:1, boiling the mixture to be half cooked, soaking the mixture in clear water, taking out themixture, adding cooked yoke, and mixing them well; (3) allowing the ducks to exercise in water three times a day for 1 h, feeding the ducks with feed after the exercise, and allowing the ducks to drink water freely; (4) allowing the ducks to exercise once a day for 2 h, feeding the ducks with the feed 5 times a day, allowing the ducks to drink water freely, wherein 10-20 parts of mulberry leaf powder and 2-6 parts of edible salt are added to the feed, decocting isatis root in water, and dropwise administrating 2-3 mL of the decoction to each duck. The large-scale efficient farming method of meat ducks has the advantages of large scale of efficient farming, low farming cost, short marketing time of meat ducks, good meat deliciousness, and high economic benefit.
Owner:安徽德隆禽业有限公司

Intercropping ecological breeding method of Siganus guttatus and Eriocheir Sinensis

The invention relates to an intercropping ecological breeding method of Siganus guttatus and Eriocheir Sinensis. The method comprises the following steps: (1) a pond is cleaned firstly before the water enters the pond, the pond is aired for 18-20 days before the water enters the pond, and the salinity of the water is 2-5; (2) aquatic plants are planted around the pond and in the middle of the pond, and then Eriocheir Sinensis juvenile crabs are put in the pond, after two months, the Siganus guttatus and Eriocheir Sinensis are bred in an intercropping mode, and a special compound feed for the Eriocheir Sinensis is fed for two times every day. According to the breeding method disclosed by the invention, after the pond is cleaned, and the average weight of the eriocheir sinensis in the pond where the Siganus guttatus is also intercropped is more than 320 g, and the average weight of the eriocheir sinensis is increased by more than 6.2% compared with that of the Eriocheir sinensis which isnot bred in the pond where the Siganus guttatus is also intercropped; and the yield of the Eriocheir sinensis in the pond where the Siganus guttatus is also intercropped is 150 kg per mu and the yield of the Eriocheir sinensis is increased by more than 19.6% in comparison with the yield of the Eriocheir sinensis which is not bred in the pond where the Siganus guttatus, the breeding effect is remarkable, and the application prospect is good.
Owner:EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI

Lobster trapping device with self-repositioning nets

The invention provides a lobster trapping device with self-repositioning nets and belongs to the technical field of aquaculture fishing. The device comprises an aquaculture box; a releasing device isinstalled over the middle part of the aquaculture box; a lower part of that inner part of the aquaculture box is provide with a partition plate, a salt melting device is arranged below the partition plate, an oxygen outlet pipe is arranged below the salt melting device, an oxygen outlet hole is arrange on the oxygen outlet pipe, connecting rods are arranged on the left and right sides of the aquaculture box, the top ends of the connecting rods are connected with the top of the aquaculture box, a plurality of floating beds are arranged on the connecting rods, and the surface of the floating beds is provided with at least three inhabiting grooves. The device can culture lobster, has low culture density and fast growth speed, can remove the sludge hidden in the lower part of the abdomen of lobster, can realize automatic net harvesting, has high shrimp catching efficiency, and is suitable for large-scale catching.
Owner:金华市众鑫农业科技有限公司

Breeding method for breeding pheasants at breeding period

The invention discloses a breeding method for breeding pheasants at a breeding period. The breeding method is characterized by including the following steps that at the breeding period, feeding of fodder is conducted, water drinking needs to be guaranteed sufficiently, water is supplied constantly, breeding density is formed, a quiet environment is controlled, eggs are picked, and cleaning and sterilizing are conducted. After the pheasants are bred through the method, the average annual yield of eggs of hens is about 60.
Owner:四川腾弘农业发展有限公司

Multifunctional lobster breeding equipment

The invention provides multifunctional lobster breeding equipment, and belongs to the technical field of aquaculture. The multifunctional lobster breeding equipment comprises a breeding tank, whereina feeding device is arranged on the upper portion of the middle of the breeding tank, a partition plate is arranged on the lower portion of the inner portion of the breeding tank, a salt melting device is arranged under the partition plate, an oxygen outlet tube is arranged under the salt melting device, an oxygen outlet hole is formed in the oxygen outlet tube, the left side and right side of thebreeding tank are provided with a connecting rod, the top end of the connecting rod is connected to the top of the breeding tank, a plurality of floating beds are arranged on the connecting rod, andthe surfaces of the floating beds are provided with at least three inhabiting grooves. The multifunctional lobster breeding equipment has the advantages that the equipment has an automatic feeding function, the breeding density is small, lobster breeding is close to pure ecological breeding, the growth speed of lobsters can be quicker, and sludge hidden on the lower portion of the tummy of the lobsters can be cleared away.
Owner:金华市凌特水产养殖技术有限公司

Indoor artificial maturation accelerating method for parent stichopus japonicus

The invention provides an indoor artificial maturation accelerating method for parent stichopus japonicus and belongs to the technical field of stichopus japonicus aquaculture. The main technical scheme is as follows: carrying out catching and screening, namely carrying out catching in September every year, and selecting a pond or a sea area with the water temperature ranging from 14 DEG C to 16 DEG C; screening healthy individuals with the body weights being 200g or above and without surface injuries; and carrying out two-stage maturation acceleration processes by using a featured aquaculturepond and a feed to obtain the parent stichopus japonicus. The water temperature in the catching time is appropriate, and the reconstructed aquaculture pond is additionally provided with a combinableadhering substance which is large in area, so that the life space of stichopus japonicus is enlarged, and the aquaculture density is relatively reduced. The feed adopted in the indoor artificial maturation accelerating method is scientific in formula, capable of improving the feeding habit of the stichopus japonicus and high in disease resistance; and the stichopus japonicus is subjected to maturation acceleration in a way of heating after cooling after being carried back, an overcompensation phenomenon happens during growth, and therefore, the finally-cultured parent stichopus japonicus is better in growth genes, better in gonad development and higher in gamete quality.
Owner:DALIAN OCEAN UNIV

Double-fishpond circulating water ecological culture system

PendingCN109526849ACan't solveSolve the problem of uncleanlinessPisciculture and aquariaFiltrationWater quality
The invention discloses a double-fishpond circulating water ecological culture system. The system comprises a natural environment area, a convergence area, a central sewage discharge area, a precipitation filtration area, a comprehensive air floatation area and an original ecological regulation area, and is characterized in that the convergence area is arranged on the inner side of the natural environment area, the central sewage discharge area is arranged in the middle of the convergence area, an overflow pipe is arranged at the center of the central sewage discharge area, the bottom end of the overflow pipe is connected with a drainage pipe, a sewage discharge pipe is laid at the bottom end of the central sewage discharge area, the drainage pipe is connected to the precipitation filtration area through a water pump, the sewage discharge pipe is connected to the precipitation filtration area through a sewage suction pump, and the precipitation filtration area is connected to the comprehensive air floatation area through a pipe. Culture water is purified more thoroughly, purification pressure of a water diversion area is reduced, so that water quality of the whole circulating waterbody is more stable, organic matter in ponds can be timely removed, the problems of oxygen consumption and release of toxic substances during organic matter degradation are solved, and the culture environment is better.
Owner:浙江庆渔堂科技有限公司

Aquaculture pond with loach trap device

The invention belongs to the technical field of aquaculture device and discloses an aquaculture pond with a loach trap device. The aquaculture pond comprises trap ponds, a culture tank, trap rings andan aquaculture pond body. Transparent windows are mounted on two sides of the aquaculture pond body, the culture tank is arranged in the middle of the aquaculture pond body, the trap rings are arranged in the culture tank, the trap ponds are arranged on two sides of the culture tank, a mud retaining plate is arranged between the culture tank and each trap pond, and a partition plate is arranged outside each mud retaining plate and inserted into a clamping groove. The aquaculture pond has advantages that secretion of skin mucus of loaches can be promoted, immunity of the loaches is improved, activity of the loaches is indirectly enhanced, growth of the loaches is benefited, and aquaculture and catching according to characteristics of the loaches can be realized.
Owner:金华市呗力水产养殖技术有限公司

Poultry semen nutritional agent, poultry semen nutritional diluent and preparation method thereof and application of poultry semen nutritional agent in preparation of poultry semen nutritional diluent

The invention provides a poultry semen nutritional agent, a poultry semen nutritional diluent and a preparation method thereof and application of the poultry semen nutritional agent in preparation ofthe poultry semen nutritional diluent. The poultry semen nutritional agent is prepared from the following raw materials in parts by weight: 110-130 parts of citrate, 200-230 parts of acetate, 280-320parts of taurine, 300-355 parts of hydrochloride, 900-1100 parts of monosaccharide, 2900-3100 parts of glutamate and 0-70 parts of metronidazole. The poultry semen nutritional diluent disclosed by theinvention can greatly retain the activity of sperms and improve the fertilization rate and the survival rate.
Owner:赵章成

A siphon type zooplankton feed hatching and baiting system and its application method

The invention discloses a siphoning type zooplankton feed incubation and feeding system and a using method thereof. The siphoning type zooplankton feed incubation and feeding system comprises a bait tank, a culture pond and a connection pipeline, wherein the bait tank comprises an incubation tank and a siphoning feeding tank which are partitioned by a partition tank, a shading incubation baffle can be inserted into the partition tank, and a live insect separation tank opening is formed in the in the bottom of the separation tank. Bait tank water inlet pipes are respectively arranged at the tops of the incubation tank and the siphoning feeding tank, and a water discharging port is formed in the bottom. A bait discharging pipe and an air supply pipeline are perpendicularly arranged in the siphoning feeding tank, air supply nozzles are arranged at the bottom of the air supply pipeline and respectively supply air to the incubation tank and the siphoning feeding tank, a siphon sleeve is sleeved with the top of the bait discharging pipe connected with the feeding end of a feeding pipeline of the culture pond, and the output end of the feeding pipeline is connected with a diffuser. The using method of the siphoning type zooplankton feed incubation and feeding system comprises the steps of incubation, feeding and cleaning. Incubation, impurity separation and feeding are integrated into one system, so that labor in zooplankton culture is saved, and feeding efficiency is increased.
Owner:宁德市富发水产有限公司

Breeding method for increasing laying rate of laying hens

The invention relates to a breeding method for increasing the laying rate of laying hens. The breeding method comprises the following steps including a brooding and breeding period breeding step, an egg laying period breeding step, an illumination adjustment step, a disease prevention and control step, a breeding data monitoring step and a feed component and drinking water component blending step.By strictly controlling the environmental conditions such as illumination, temperature, humidity and ventilation in a chick house and a laying hen house, various indexes of the laying hens reach thenormal level, and the effects of fully releasing the egg laying potential of the laying hens and increasing the egg laying rate are achieved.
Owner:武汉宏农农牧有限公司

A new method of mixed culture of cockles and scallops in shallow sea hanging cages

The invention relates to an ecological, intensive and healthy culture method for scapharca broughtonii and chlamys farreri. The novel shallow sea cage mixed-culture method for scapharca broughtonii and chlamys farreri is characterized by comprising the following first culture step of fry selection, the second culture step of device preparation, the third culture step of fry casting, the fourth culture step of first-time cage overturning, the fifth culture step of second-time cage overturning, the sixth culture step of third-time cage overturning and the seventh culture step of adult scapharca broughtonii and adult chlamys farreri obtaining. By means of the novel shallow sea cage mixed-culture method for scapharca broughtonii and chlamys farreri, original bottom-dwelling scapharca broughtonii is cultured in cages, so that the intensification level of culture is increased, the problems that the death rate in scapharca broughtonii cage culture is high and the culture benefit of chlamys farreri is low are solved, and the comprehensive culture benefit is increased.
Owner:中国水产科学研究院长岛增殖实验站
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