Tmax Poultry Feeding System is eliable, durable, stable running, less maintenance, easy for feeding,even feed dosing. The feed even device dispense the feed evenly in the trough. In order to avoid feed waste, there are return feed device to return the feed in the two ends of the feed trough.
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1. Net-environmental aquaculture This technology is to make full use of natural foods such as aquatic grasses, snails, shrimps, etc., combined with feeding simple fishes and corns and corn and other simple animal and plant foods to simulate the ecological food chain and create a wild growth environment to improve crab quality. A culture method that reduces disease occurrence, reduces production costs, and increases economic efficiency. The conditions of the water area require reservoirs and lakes with open water surface and gentle water flow and meet the water quality standards of GB11607-1989. The network setting site avoids the fairway, the environment is quiet, and the traffic is convenient. The area surrounding the breeding area is rich in aquatic weeds, the density of benthic animals is large, and it has the ability to regenerate with less predators; the bottom is flat, and the bottom is suitable for clay and sand; the water depth is required. Perennially maintained at 1 to 2m, transparency 1m above, dissolved oxygen 5mg/L or more.
2, network settings
2.1 Materials Perimeter materials should use polyethylene mesh, 33 network cable. The top of the fence to prevent escape materials should be used. It is advisable to use a gabion at the bottom of the fence to prevent flight. The gabion is packed into a cylindrical mesh bag with a 2 cm polyethylene net. The cylinder has a diameter of 10 to 15 cm and a diameter of 2 to 4 cm. The fence supporting material should use bamboo, diameter 8 ~ 10cm, length 5m. Bundle material should use polyethylene rope and iron wire.
2.2 Design
2.2.1 Net perimeter area The size of net perimeter area should be determined according to the comprehensive conditions of the water environment conditions, unified planning and layout, and the aquaculture investment capacity. The general net enclosure area should be 2 to 4 square hectares.
2.2.2 Net perimeter shape The net perimeter shape is determined according to the water environment. Generally, the principle of safety and economy can be used, and round, oval, rectangular, triangular, etc. can be selected. The most economical material is circular. If it is contiguous breeding, square is better.
2.2.3 The anti-escape setting adopts a double-layer anti-escape net. The internal fence net uses 2cm mesh as the main anti-escape facilities, and the surrounding water area is the culture area. The external network uses the mesh 3cm as the second anti-escape facility to check the escape conditions of crabs and block the floating objects. Internal and external network spacing 3 ~ 4m. The height of the fence is determined according to the normal water depth and water level in the flood season. It is generally required to expose the surface of the water at the normal water level by 1.5m, and then to seize a 1m wide raft net at the top of the inner fence. The angle between the raft net and the fence is 50-70. To ensure safety, add a 25-cm-high sleek calcium plastic plate on the inner side of the inner purse, or suspend a 25-cm-high sleek calcium plastic plate in the middle of the sacral mesh. The lower end of the net is sutured with a gabion.防 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与.
2.3 The installation shall be based on the shape of the perimeter area, using bamboo piles, bamboo pile spacing distance of 2 ~ 3m, and the depth of soil penetration is about 1.5m. The upper, middle and lower sections of the net enclosure are firmly tied to the pile, and the bamboo piles are distributed on both sides of the fence. The gabion requires that all be pressed into the bottom mud.
3, crab species stocking
3.1 Provenances Before choosing to store crab species, use predator and other cages to catch enemies in the enclosure. Provenances The best choice is natural or artificial breeding of first- and second-generation Yangtze River strains. Germplasm requirements are immature, uniform in size, robust in physique, agile in action, complete in appendages, non-destructive to paws (including no claw tip wear), bright and clean color, no attachments, and no disease. The back is yellow or yellow with a small amount of light green. The continuous distribution of villi on the chela of the male crab was incomplete. The bristles were short and thin. The abdomen of the female crab was not fully developed and did not completely cover the ventral surface of the head thoracic. The specifications are 5~12g/body weight and 80~200/kg.
3.2 Sterilization of crabs Soak crabs in water for 2 to 3 minutes. Rinse off the foam. Put it in place for a while. Dip for 2 minutes and repeat for 3 times. After the crab species suck enough water, use 3% to 5% saline or 10~20mg/L potassium permanganate solution to soak for about 30 minutes to disinfect.
3.3 Stocking Methods Generally, crabs are stocked from December to February of the following year. The stocking densities should be determined based on different farming methods, feeding and management levels, and the specifications and output of commodity crabs. Generally, the stocking density can be set between 9,000 and 12,000. Crab species are placed in aquaculture areas where more aquatic plants are needed. When stocking is required, they should be distributed in multiple places so that crab species can climb out of their own areas and should not be dumped. In order to make full use of the water surface, large-sized carp species of less than 7,500 fish/sq. hectare or 45 to 75 kg/sq.
4, feeding and management
4.1 Transplanting aquatic weeds If aquatic weeds are lacking in the net enclosure area or during the breeding process, the aquatic weeds should be transplanted and supplemented with aquatic weeds to ensure that the crabs have enough green feed and sheltered habitats. The plants that can be transplanted include Vallisneria, Hydrilla verticillata, Malay okra, and Alternanthera philoxeroides.
4.2 Feed Varieties The botanical feed is dominated by aquatic plants, with corn, wheat, pumpkin and sweet potatoes. Animal feeds include wild fish, snails, clams, cockroaches, and green prawns.
4.2.1 Feeding arrangements for the whole year Feeding for the whole year is generally based on the principle of "two thick, medium fine". The time for starting feeding should be based on the changes of climate and water temperature. Generally, the feed can be started when the water temperature reaches above 14°C in early April. In the initial stage of breeding, plant-based feeds are mainly used. In the middle period of cultivation, as the water temperature rises, the individuals of crabs increase and the food intake increases. The amount of feed should be gradually increased, and animal and plant feeds should be fed in equal amounts; during the latter period of cultivation, crab nutrition should be ensured. The need for accumulation and long-term weight gain should relatively increase the amount of feed for animals.
4.2.2 Feeding arrangements on a daily basis Feeding is generally performed once per day, feeding time is from 16:00 to 17:00, plant feed and animal feed are fed at the same time, and the amount of plant feed is 2% of the total weight of crabs ~ 5%, the animal feed amount is 2% ~ 3% of the total weight of crabs, and it is generally appropriate to finish the day. At the same time, the amount of feed should be adjusted in accordance with the climate, changes in water levels, and growth. Rainy weather, low atmospheric pressure, or rising water levels in the flood season, or a large number of crabs should be reduced to feeding or not feeding.
4.2.3 Feeding methods Feed feeding requires more uniform dosing and avoids fighting each other. Corn and wheat should be soaked for 24 hours and then fed. Pumpkins and sweet potatoes should be cooked and fed. Small animal, sturgeon, snails and other animal feeds should be chopped, crushed, and fed.
4.2.4 Regular sampling In order to keep abreast of crab eating and growth, regular sampling should be conducted. According to the size and growth status of the sampled crabs, the quality and quantity of the feeds should be timely adjusted.
4.3 Daily management Freshly stocked crabs have an adaptation process to the environment. On the night of the launch, the activity was very intense and some of them would climb out of the culture area. Therefore, in the first three nights, more cages must be placed between the internal and external evacuation nets to catch the fledgling crabs. The management of crab shells should ensure that there are enough plants in the enclosure and the coverage is not less than 1/3; keep the environment quiet and prevent the invasion of animals and humans.
The management of water quality shall promptly remove residual baits, rotted aquatic plants, various floating objects, etc.; timely flushing the fence to prevent clogging of the mesh and ensure the natural exchange of water. Anti-escape management should regularly inspect all parts of the perimeter of the network and fix loopholes; strengthen management during windy weather or flood season; permanently place cages between the inner and outer perimeter nets, and frequently check whether there are crabs that have escaped from the cages. Take measures.
4.4 Disease Prevention Penetrative ecological farming does not use drugs, but disease prevention work must be done. To prevent the introduction of pathogens and cause diseases, crab species are required to be disinfected before stocking; feed requirements are fresh, hygienic, and not deteriorating; killing large fierce fish, rats, water snakes, etc. that affect crab growth, habitat, shell, and feeding Predators.
5, harvesting in 11 to 12 months each year, according to the water temperature and market conditions in time fishing listed. Fishing tools can be used for cages and other fishing gear. The crabs that are caught can be placed in cages (1.5m1.5m0.8m) for temporary crab raising. The number of holdings in cages should not be excessive, and the stocking capacity of each cage is generally required to be within 50 kg.
Our R&D Team can supply the Scientific Integration Scheme by computers for all kinds of Chicken Farms according to Clients` special requests.we have different types of Cages For Layers,pullets,broilers and breeding chickens,and all OEM cages from clients are available,because we have the complete advanced Production line including Wire Drawing,Automatic Cage Meshes Welding,Cold&Hot Galvanization and Automatic System in Mechanical Working for Feeding, Egg Collection machines,so the QC Team can control all product quality we produce for clients in our factory.
River Crab Mesh Ecoculture Technology
Eriocheir sinensis, a scientific name of the Chinese mitten crab, has a round cuboidal head, a wider posterior half than the anterior half, a forehead that is 4 teeth wide, and is notched between the teeth and is the deepest in the middle; the anterior margin has 4 sharp teeth, and finally Smallest; chelipeds, male larger than female, inner and outer villi at base of knuckles and knuckles, inner corners of wrist joints with 1 sharp teeth, long section of dorsal margin at proximal end and step foot long section also with 1 sharp Teeth; step enough to the last 3 pairs of relatively flat, wrist and the back section of the back of each set of bristles, the first step of the forequarters and the base of the knuckles are dense with bristles; abdomen round female crabs.