32results about How to "Reduce fatalities" patented technology

The invention discloses a method for breeding leeches in a channel. The method comprises the following steps: choosing to build a channel; preparing before breeding; introducing a fine variety; carrying out daily management. The method adopts freshwater mussels and snails to partly replace blood feeds, so that the cost of the feeds can be effectively reduced; by adding vitamin k in fresh blood, the blood can be well solidified and is prevented from dissolving during feeding to avoid feed waste and water pollution; in management, the quality and temperature of water are strictly controlled to guarantee the growing environment of leeches, and the condition that leeches die of diseases in the breeding process can be effectively reduced; by adopting the method, the feed coast can be reduced by 30-40%, and the condition that leeches die of diseases can be reduced by 60-70%.

The present invention relates to a soft-shelled turtle feed helpful for enhancing disease resistance. Raw materials of the soft-shelled turtle feed consist of main materials and auxiliary materials in parts by weight: wherein the main materials comprise 15 parts of gynura bicolor powder, 6 parts of Lythrum salicaria powder, 10 parts of bioactive proteins, 4 parts of hydrolyzed animal proteins, 20 parts of white fish meal, 6 parts of red fish meal, 8 parts of alpha-starch, 7 parts of Trident fish meal, 9 parts of Arctic ice fish meal, 5 parts of fish meal imported from Russia, 2 parts of yeast, 3 parts of calcium dihydrogen phosphate, 1 part of turtle multi-vitamin and 1 part of turtle multi-mineral; the auxiliary materials comprise 0.5 part of viable bacterium inhibitor, 0.5 part of ginseng root powder, 0.5 part of fructus lycii, 0.5 part of licorice root, 0.8 part of largehead atractylodes rhizome and 0.2 part of antioxidant. The use of the soft-shelled turtle feed shows a rapid growth of the soft-shelled turtle, a high feed conversion rate and a good breeding efficiency, and can significantly enhance the immune function and the anti-stress ability of the soft-shelled turtle.

The invention discloses a culturing method of snakeheads. The method comprises the following steps: selection of fries, cultivation of juvenile fishes, cultivation in growing period, construction of a livestock farm, feeding with daily food, control of daily temperature. According to the culturing method of snakeheads, a greenhouse is adopted for cultivation, so that a small ecological environment which is isolated from the natural environment is formed, and besides, the temperature in the greenhouse is higher than the temperature in the natural environment by 3 to 4 degrees, the feeding time of the snakeheads can be effectively prolonged, the food intake of the snakeheads can be improved, the purpose of shortening the culturing cycle is achieved, the invasion from natural bacteria can be effectively isolated in breeding and occurrence of dead of disease can be reduced due to the fact that the greenhouse is adopted for cultivation.

The invention discloses a lilium brownii tissue culture seedling cultivation device which comprises a plurality of groups of enclosing mechanisms used for enclosing lilium brownii branches, different enclosing mechanisms are connected together through connecting mechanisms, a moving mechanism is arranged on the connecting mechanism located at the lowest position, and the moving mechanism is connected with the lilium brownii tissue culture seedling cultivation device. The enclosing mechanism comprises a first arc-shaped water bag, a second arc-shaped water bag, a third arc-shaped water bag and a fourth arc-shaped water bag, the first arc-shaped water bag, the second arc-shaped water bag and the third arc-shaped water bag are fixedly connected together, and the fourth arc-shaped water bag is connected with the second arc-shaped water bag and the third arc-shaped water bag. The first arc-shaped water bag, the second arc-shaped water bag, the third arc-shaped water bag and the fourth arc-shaped water bag are enclosed to form a ring shape, and the device can reduce extrusion of tissues reserved on branches and trunks during cutting, so that secondary injury is reduced.

The invention discloses a packaging structure based on garden aquatic plants, and relates to the technical field of aquatic plant packaging. The packaging structure based on the garden aquatic plants comprises a fixed base, wherein a packaging barrel is fixed to the top of the fixed base; an adjusting threaded rod penetrates through the bottom of the packaging barrel; the outer surface of the section, located in the packaging barrel, of the adjusting threaded rod is in transmission connection with an internal thread sliding block; a limiting sliding groove matched with the internal thread sliding block is fixed to the inner bottom of the packaging barrel; and the outer surface of the internal thread sliding block is rotationally connected with a supporting rod which penetrates through the limiting sliding groove and extends out of the limiting sliding groove through a bolt. According to the packaging structure based on the garden aquatic plants provided by the invention, when the aquatic plants are packaged, the roots of the aquatic plants can be clamped and fixed, the aquatic plants are prevented from greatly shaking when being vibrated in an aqueous solution, protection on the aquatic plants is improved, the plants can be conveniently taken out during unsealing, and damage to the roots of the plants is reduced; and sufficient oxygen is provided for breathing of the aquatic plants, so that the situation that the aquatic plants die due to long-time oxygen-deficient environment is reduced, and the transportation survival rate is increased.

The invention relates to a micro-ecological circulation system for rivers and ponds, which is applied to the field of water treatment and comprises a support, the support is provided with a culture box for containing algae-eating insects, the culture box is communicated with an air distribution device for blowing air into the culture box and a throwing device for throwing the algae-eating insects, and the air distribution device is communicated with the air distribution device for blowing air into the culture box and the throwing device for throwing the algae-eating insects. The air distribution device comprises an air outlet pipe which is arranged at the bottom of the incubator and communicated with the incubator, a one-way valve is arranged on the air outlet pipe, an air pump is arranged on the incubator, and the output end of the air pump is communicated with the air outlet pipe. The device has the technical effects that the possibility of non-uniform throwing of the algae-eating insects in a manual throwing mode is reduced, so that the ecological restoration effect of the algae-eating insects on a river channel and a pond is improved.

The invention discloses a culture device and a culture method for increasing the output of crayfish, and relates to the technical field of culture devices. The present invention includes a base plate, a limiting plate, a motor, a first rotating assembly, two second rotating assemblies, and two third rotating assemblies are arranged on the upper side of the base plate; the second rotating assemblies are rotatably fitted with a first connecting column, two third rotating assemblies A second connecting column is rotatably fitted between the rotating components, and a threaded rod is fitted to an internal thread of the second connecting column. In the present invention, through the set limit plate, when the motor is started, the output end of the motor drives the limit plate to move upwards, so that the first box can be quickly and conveniently taken out, so that the shrimp can be quickly taken out, and the number of crayfish is reduced when catching crayfish The situation of death occurs, and the two fourth fixed rods provided reduce the occurrence of the first connecting column tilting when sliding, thereby improving the stability of the device.

The invention discloses a fertilizing device with a self-adjusting function for agricultural production. The fertilizing device comprises a fertilizing device body, wherein a control box is connected to the fertilizing device body, a height adjusting mechanism is connected to the fertilizing device body and comprises a rotating rod fixing seat, the rotating rod fixing seat is connected with the fertilizing device body, a first motor is connected to the side, far away from the rotating rod fixing seat, of the fertilizing device body, a first motor rotating shaft is connected to the first motor, and the first motor rotating shaft penetrates through the fertilizing device body and the rotating rod fixing seat. By arranging corresponding mechanisms on the fertilizing device, the fertilizing device can be adjusted according to different plants during fertilizing, so that the targeting property of the fertilizing device is improved to a great extent, the waste of fertilizer is greatly reduced, the influence on the plant growth environment is avoided, the occurrence of plant death is reduced to a great extent, and unnecessary economic loss of a user is greatly reduced.

The invention discloses a fertilization device for agricultural production with self-adjustment function, which comprises a fertilization device body, a control box is connected to the fertilization device body, a height adjustment mechanism is connected to the fertilization device body, and the height adjustment mechanism comprises a rotating rod fixing seat. The rotating rod fixing seat is connected with the body of the fertilizing device, the side of the fertilizing device body away from the rotating rod fixing seat is connected with a first motor, the first motor is connected with a first motor rotating shaft, and the first motor rotating shaft penetrates the fertilizing device body and the rotating rod Mounting settings. Through the arrangement of the corresponding mechanism on the fertilization device, the invention enables the fertilization device to be adjusted according to different plants during the fertilization work, greatly improves the targeting of the fertilization device, greatly reduces the waste of fertilizer, and avoids the The impact on the plant growth environment greatly reduces the occurrence of plant death, and greatly reduces the unnecessary economic loss of users.

The invention discloses a cow dung composting system, which comprises a cow breeding area, a planting area, a composting area and a circulation pipeline; at least two composting units are arranged in the composting area, and the humus discharged from the composting unit is discharged to the planting area, and the circulation pipeline Including heat source section, heat exchange section and return section; all composting units are equipped with heat source sections, the heat source sections in two adjacent composting units are connected, and the heat source section in at least one composting unit transports the heat source medium outward, at least The heat source section in a composting unit receives the cold source medium that returns from the outside; the heat exchange section is set in the cattle breeding area and is connected to the heat source section that transports the heat source medium outward; the return section is set in the planting area, and the input end of the return section It is connected with the heat exchange section, and the output ends of the return section are openably and closably connected with the input ends of all heat source sections. The cow dung composting system can make multiple use of the ability in the cow dung, and can avoid the situation that a large number of microorganisms die due to the high temperature of the cow dung during the composting process.

The invention provides an Internet of Things automatic collection and intelligent processing terminal. The Internet of Things automatic collection and intelligent processing terminal comprises an information collection unit, a first communication unit and an information processing unit, when in use, the information collection unit is used for acquiring environmental information in the greenhouse,such as temperature, humidity, light sensation intensity or image information, and transmitting the information to the information processing unit through the first communication unit. Therefore, thepurpose of remotely controlling the greenhouse is achieved, the trouble of manual field operation is greatly reduced, the purpose of intelligently controlling the greenhouse is achieved, and the situation that plants in the greenhouse die due to poor monitoring is effectively reduced.

The invention belongs to the technical field of animal model construction, and provides a method for constructing an animal model of yang deficiency type constipation and its application in order to solve the problems of high mortality and poor reproducibility of the animal model of yang deficiency type constipation. The experimental animals were gavaged with 1-8% v / v acetic acid solution and ice-water mixture containing 5-50% g / v activated carbon for 1-8 weeks. The specific administration method was: the first dose of acetic acid solution was 0.5- 10.0 mL / rat, then 0.5-10 mL / 100g of acetic acid solution, and 0.5-8 hours later, 0.5-10 mL / 100g of ice-water mixture containing activated carbon. The invention provides an animal model of yang-deficiency type constipation with high stability, easy promotion, low mortality, good reproducibility, and economical application, which is used for prescription screening, preclinical research and development of drugs, and functional evaluation for treating yang-deficiency type constipation , mechanism research, etc., as well as the research and development of functional food and health food to provide an experimental basis.

The invention provides an incubation device for reducing juvenile fish cannibalism of Malawi lake mbuna Cichlidae. The incubation device includes a housing; an upper center of the housing is connectedto an isolation strip; the interior of the housing is divided into a juvenile fish hide region and a parent fish recreation region by the isolation strip; a lower end of the juvenile fish hide regionis connected to a labyrinth; hide balls suspend in the juvenile fish hide region; a horizontal isolation plate is connected to a lower end of an inner wall of the housing; and a water outlet is formed in the center of the horizontal isolation plate. The incubation device is high in environment simulation level, can prevent the juvenile fish from being lost, can allow healthy growth and living ofthe parent fish and the juvenile fish, can effectively enlarge the motion and hide space of the juvenile fish, can prevent the parent fishes from eating the juvenile fishes and mutual fighting betweenthe juvenile fishes, can significantly improve the survival rate of the juvenile fishes, and can improve the aquaculture economic value.

The invention relates to an in-situ fertilized egg proliferation and releasing method suitable for sepiella maindroni. The method comprises the following steps: using artificial resin as a material and taking gorgonian in a natural sea area as a model to prepare an egg collecting device for fertilized eggs, and applying an ovipositor for fertilized eggs to a sea-area net cage of the sepiella maindroni. The method has the beneficial effects that oviposition of the sepiella maindroni under a natural environment is simulated, and in-situ proliferation is carried out, so that the oxygen loss of the fertilized eggs probably caused by transport to a proliferation and releasing sea area from other places during fertilizer egg proliferation is avoided; and the gorgonian-mode ovipositor is producedby simulating the gorgonian, so that the egg laying rate is higher, and the egg laying effect is better. The fertilized egg collecting device also has an effect of lowering stormy waves, and enablesthe inside of the net cage to be in a stable state, so that the situation of death stress-jet of young sepiella maindroni is greatly reduced, and the survival rate of the young sepiella maindroni is improved. Inner surfaces of irregular concave holes are coated with an antibacterial coating, so that the fertilized eggs can be effectively protected, and the pathological change rate of the fertilized eggs can be reduced.

The invention provides a hydrolytic acidification process method for production wastewater, which comprises the following steps: introducing hydrolytic bacteria and acidifying bacteria in a bacteria culture tank into a raw material mixing area, introducing distilled water to control the pH value of the raw material mixing area to 6.6 to 7.8, introducing the production wastewater into a hydrolyticacidification tank at the flow rate of 2-4m <3> / h. The fusion time of the sewage with hydrolytic bacteria and acidifying bacteria is adjusted, and the situation that part of hydrolytic bacteria and acidifying bacteria die due to the fact that the hydrolytic bacteria and the acidifying bacteria do not adapt to the change of the environment when the sewage is fused with the hydrolytic bacteria and the acidifying bacteria is reduced; the raw material mixing area can reach the optimal growth and propagation environment of hydrolytic bacteria and acidifying bacteria, so that the hydrolytic acidification quality and the organic matter conversion efficiency of the hydrolytic bacteria and the acidifying bacteria are improved.