68results about How to "Expand the breeding area" patented technology

The invention discloses a buoyant-raft net cage sea cucumber culture device and a sea cucumber culture method. The device comprises a floating ball, a buoyant raft hanging rope and a net cage, wherein two ends of the buoyant raft hanging rope are connected with the floating ball; the net cage is connected with the buoyant raft hanging rope via a lifting rope; the floating ball is connected with a wood pile fixed on the seabed respectively by steady lines; and the buoyant raft hanging rope is long enough to cause the net cage to touch the seabed. In the culture device, because the floating ball is fixed by the steady lines connected with the wood pile fixed on the seabed and the net cage is fixed on the seabed in the culture process, influence on the culture system because of ocean current and sea water fluctuation can be effectively lowered, which is more favourable for the sea cucumber to grow. In the culture process, technicians can pull or put down the net cage by the buoyant raft hanging rope; the buoyant-raft net cage sea cucumber culture device is convenient to operate, effectively lowers culture cost and improves economic benefit.

The present invention discloses a vessel for culturing cells which includes: a bottom including a base with an upwardly extending wall at least partially bounding the base of the bottom; a top including a base with a downwardly extending wall at least partially bounding the base of the top; a tubular neck with an opening defined therein; and, one or more shelves, wherein, each shelf includes a base with an upwardly extending wall at least partially bounding the base of the shelf. The upwardly extending wall of a first shelf adjoins the downwardly extending wall of the top with the first shelf being located intermediate the bottom and the top. The base of each of the shelves having at least one aperture formed therein. The bottom, the top and the one or more shelves collectively define an enclosed volume for culturing cells. The tubular neck extends from the vessel with the enclosed volume being accessible by the opening in the tubular neck. Advantageously, this vessel provides high volume cell culture in a manner that increases efficiency and reduces the cost of culturing cells.

The invention relates to indoor stereoscopically-assembled vermiculture equipment, and belongs to the technical field of vermiculture. The equipment comprises breeding boxes, a transparent inserting plate, connecting rods and a base. One or more breeding boxes are vertically stacked to form breeding beds, the transparent inserting plate is inserted into the bottom of the breeding box on the bottommost layer of the breeding beds, every two adjacent breeding beds are connected and fixed through the connecting rods to form a breeding unit, the base is connected to the bottom of one breeding unit though the connecting rods, and the one or more breeding units form the stereoscopic vermiculture equipment. The breeding boxes of different numbers can be combined freely and fast according to different breeding scales and breeding, and the vermiculture equipment can be widely applied to large, intermediate and small farms, and has the advantages of being high in breeding efficiency and low in equipment cost. The vermiculture equipment can be widely applied to the large, intermediate and small farms, and efficient, factory-like and mechanical stereoscopic breeding is achieved.

The invention discloses a breeding method of a new halophilic crassostrea hongkongensis variety. The breeding method includes steps of a, selection of parents: utilizing wild crassostrea hongkongensis of sea areas with average salinity>=24ppt in a coastal region of South China as a halophilic parent group; b, promoting mature of the parents: utilizing the parent group in the step a as a basic group, and disposing the parent group to promote mature in sea water with 27-30ppt of salinity; c, breeding of offspring: utilizing the mature parent group in the step b as a breeding group, breeding the offspring in the sea water with 27-30ppt of salinity by a conventional method and obtaining a new halophilic variety F1; d, purely breeding the variety: utilizing the halophilic variety F1 in the step c as the parents, repeating b-c steps several times, and obtaining the new halophilic crassostrea hongkongensis variety via several generations of continuous pure breeding. The new halophilic crossostrea hongkongensis variety can be bred in the pure sea water, the convention that oysters can only be bred around estuary areas is finished, breeding area is enlarged by multiples, yield and output value are greatly improved.

The invention relates to a method of desalting culturing for pinctada martensii dunker. In the method, pinctada martensii dunker is cultured into a little oyster in seawater and then is transferred to a culturing pool with the same or similar seawater salinity for culturing; reducing the salinity in the culturing pool by 0.004 to 0.005 every week until the salinity is reduced to 1.000 to 1.010, then the desalting culturing of the pinctada martensii dunker is finished. The desalting culturing method of the invention reduces culturing cost, enlarges the culturing area of pinctada martensii dunker, improves the growing speed of pinctada martensii dunker, increases the output and quality of pearls and greatly improves the economic benefits of pinctada martensii dunker culture.

The invention discloses a convenient crab pond, which comprises a crab pond, a retractable device and a driving device. The crab pond includes a first crab pond, a second crab pond and a third crab pond. The crab breeding pond can support the crab pond in mid-air through the support plate, thereby increasing the breeding area of ​​crabs, making it convenient for users to breed more crabs, and ensuring that each crab pond can receive sufficient sunlight, increasing the number of users income; the telescopic rod at the bottom of the support column can be freely extended or contracted, which is convenient for users to adjust the height of the second crab pond and the third crab pond, and there are pipes placed in the support column, which is convenient for users to put water into the crab pond; the second , The third crab pond is provided with a water outlet, which is convenient for users to replace the water in the pond; the driving device installed on the inner wall of the second and third crab ponds near the water outlet can drive the crabs to the other side of the crab pond, Even when the user changes the water in the crab pond, there is no need to worry about the crab being washed to the water outlet by the water flow.

Provided is awater planting cutting rooting method for clematis. The method includesthe steps of preparation of cutting containers, preparation of water planting nutrient solution, selection and treatment of clematis cutting slips, water planting culture, post-cutting managementand hardening-seedling transplanting process, on the basis of a water planting technology,effects of a plant growth regulator on the cutting rooting of the clematis can increase the rooting rate of cutting;the conditions of water, temperature, light, air humidity and the like are controllable during the cutting propagation process, effects of the outer environment on plant propagation rate are reduced, cutting rooting rate is stable, plant growth status is good,the problem of seasonal restriction is overcome, the breeding cycle is shortened,the survival rate of the cutting is increased,the survival rate of the cutting slips is more than 85%, and the method is conducive to the factory production and promote applicationof clematis plants, and has good economic, social and ecological benefits.

The invention discloses a method for domesticating and collecting cultured objects by adopting lures. The method is characterized by domesticating the cultured objects by adopting a fish net and lures; the domesticating is that the fish net is mounted in a culturing pond in a period of time before the cultured objects are collected, and the lures are arranged on the fish net; the number of the arranged lures is gradually increased from the edge to the center of the fish net so as to trap the cultured objects to be close to the center of the fish net. According to the method, raw materials are easily obtained; the cost is low; the preparation is simple; the cultured objects, particularly siganus oramin, in a pond can be collected efficiently.

The invention relates to a production technology of high-end oysters, in particular to a method for improving oyster shell quality. The method comprises the steps of oyster juvenile mollusk subtidal zone primary cultivation, adult mollusk single body operation, shell quality improvement and the like. According to the bioecology principle of the oysters, the shell quality of the oysters is improvedby utilizing the ocean power and phenotypic characteristics of the oysters in the intertidal zone and the subtidal zone. The oyster shells are round and smooth, the shell shape is attractive, the content of attached organisms and silt is low, and cleaning is easy; and oyster products produced by the method also have the advantages of low breakage rate, long-time transportation resistance and highfood safety. In conclusion, the method can provide important technical support for creating international high-end brands for the oysters in China.

The invention relates to a marine ecological system with mangrove forest planting coupled with bostrichthys sinensis culture. The system comprises a mangrove forest planting area, a bostrichthys sinensis culture area and a migrant bird foraging area in a coast intertidal zone, and the area ratio of the mangrove forest planting area, the bostrichthys sinensis culture area and the migrant bird foraging area is equal to the golden section ratio of 1: 1: 1. First and second planting areas and first and second wall bodies are oppositely arranged; a groove is formed between the first wall body and the second wall body, a net body is fixed on the inner wall of the groove, and the net body is higher than the top surfaces of the wall bodies and exceeds the highest tide water level of the place; and when the tide rises, the bostrichthys sinensis is enclosed in the net body, and when the tide falls, the wall bodies and a gate retain part of seawater for survival of the bostrichthys sinensis. The system is beneficial to healthy growth of mangrove forests and water purification, an approximate natural growth environment of the bostrichthys sinensis is built, a large amount of substances and energy are provided for the bostrichthys sinensis, the quality and flavor of the bostrichthys sinensis are improved, meanwhile, foraging and inhabiting of migrant birds are guaranteed, and the system has important economic benefits, ecological benefits and social benefits.

The invention relates to an organic shrimp culture disease prevention and control method. The method comprises the following steps of pond trimming, stress-resistant variety selection, shrimp seed standard coarse salinization, fairy shrimp feeding in the whole process, water quality regulation and control, water quality detection, biological prevention and control, physical prevention and controland stress prevention. According to the method, disease prevention and control is a combination of biological prevention and control and physical prevention and control, the shrimp survival rate is improved, and therefore, the acre yield and the total yield are greatly improved.

The invention provides a method for culturing penaeus monodon. The method comprises the following steps of transformation, pond bottom pretreatment, early-stage water treatment, larva releasing, feeding, water quality regulation and control, disease prevention and control and rotation catching of the penaeus monodon. According to the method for culturing the penaeus monodon, a primary evaporation pond of a seawater salt pan is transformed into a single culture pond, fermentation spear gobius and wheat bran are used for fertilizing water, organic fertilizer water is used in the whole process, the survival rate of the penaeus monodon can be increased, and therefore the yield per mu and the total yield are greatly increased.

The invention discloses a movable water environment automatic control greenhouse and belongs to the technical field of agricultural production facilities. The movable water environment automatic control greenhouse comprises a greenhouse body which is composed of a greenhouse framework, a non-transparent wall board and a light permeable board 8. The movable water environment automatic control greenhouse is further provided with a solar energy expansion heat collecting device and a hoisting device, wherein the solar energy expansion heat collecting device and the hoisting device are arranged and connected on the greenhouse framework outside the greenhouse body. A water tank assembly, a water dissolved oxygen regulating and control device and a water temperature regulating and control device are arranged inside the greenhouse body. The movable water environment automatic control greenhouse is reasonable and simple in structure, easy to produce and manufacture, and convenient to use, is shaped like a container, is convenient to move and transport, and can achieve overall movement of the greenhouse body. An aerating apparatus is arranged inside the water dissolved oxygen regulating and control device to carry out oxygenation and aeration on water bodies in a cultivation tank and improve dissolved oxygen of the water bodies. The solar energy expansion heat collecting device can be used for carrying out auxiliary heating when the temperature of the greenhouse is low, and therefore energy consumption is reduced. Meanwhile, through the using of a multisensor, intelligent control of cultivation water temperature and oxygen content of the greenhouse is achieved, energy is saved, environment is protected, the using rate is high, and popularization and using are easy.

The invention relates to the technical field of water circulating, in particular to a breeding tank water circulating system, and provides a breeding tank water circulating system. The breeding tank water circulating system comprises a breeding tank, a heat exchanger, a water purifier, a side wall water collecting trough, a water collecting recovering precipitating tank, a tail water treatment drainage tank, a water storage tank and a total water source supply tank, wherein the water purifier can be used for purifying breeding tank tail water, so that circulation of the breeding tank tail water can be realized; the heat exchanger can realize heat exchange of new breeding water and the breeding tank tail water, so that the energy consumption for heating the new breeding water in the conventional manner is reduced; the tail water treatment drainage tank can effectively treat ammonia nitrogen pollutants in the breeding tank tail water, so that environmental pollution caused by direct draining of the ammonia nitrogen pollutants is avoided. The breeding tank water circulating system solves the problems that seawater plant breeding cost is high, the utilization rate of resources is low,and the ammonia nitrogen pollutants in the tail water cannot be effectively treated.