78results about How to "Increase stocking density" patented technology

The present invention relates to an ecological cage culture method of finless eel, including lotus rhizome, finless eel, interval culture and using engineering fly-maggot as feed. Said invention provides a good culture environment for grwoth of finless eel, use high-quality high protein engineering fly-maggot as feed so as to can greatly raise finless eel culture density, can shorten feeding period, and its yield can be raised by 50-100%.

The invention discloses a yellow seahorse seedling artificial cultivating and farming method, belonging to the technical field of aquaculture. The method comprises the following concrete steps of: feeding yellow seahorses with proper larvae or adults of moina mongolica and mysis or post larvae of litopenaeus vannamei according to the body length of newly-hatched young yellow seahorses and yellow seahorses in a farming process; and when the young yellow seahorses grow to 2.5-3.0cm, simulating an ecological environment condition of the yellow seahorses in a natural sea area, and supplying sargassum or eucheuma for the yellow seahorses to twine and perch. According to the method disclosed by the invention, fed baits are artificially cultivated, have rich nutrition and can be obtained stably, and can not be influenced by weather and seasonal effects; fed twining objects can promote the self growth by use of harmful substances in the farming environment, sufficiently reduces the content of the harmful substances in water, realizes an effect of purifying the water quality, reduces diseases of the yellow seahorses, and improves the survival rate and the released density. The method disclosed by the invention is easy and convenient to operate and has an obvious effect.

The invention discloses broiler breeding equipment. The broiler breeding equipment is characterized by comprising a coop frame, wherein one or more coop layers are arranged on the coop frame, and one or more coops are juxtaposed on each of the coop layers; each of the coop layers is provided with a feeding conveying pipeline, a feeding driving motor, a feeding hopper and a water drinking system; a feeding disc is arranged in each of the coops; a belt-type manure cleaning system is arranged below each of the coop layers; a coop bottom net is arranged on each of the coops, and the coop bottom nets are plastic bottom nets; a sliding structure is arranged between each of the coop bottom nets and the coop frame; a broiler feeding belt is arranged at one end of the coop frame; and the boiler feeding belt is connected with a broiler packing box. The broiler breeding equipment disclosed by the invention is convenient in production, low in cost, mechanical to unload the broilers, and capable of improving working efficiency and reducing feeding labor intensity.

The invention discloses an intelligent litter-cleaning rail-type silkworm breeding device convenient to feed and relates to the technical field of silkworm breeding devices. The device comprises a shed body, a shed cover, a silkworm rack, an auxiliary rack and a pull rod; a first sliding rail and a second sliding rail which are matched with each other and correspond to each other in the position are arranged on a baseplate which is of a U-shaped structure and is arranged on the shed body; the shed cover, a heat preservation pad and a sunshade net are fixed to the opening end of the U-shaped structure of the shed body; a carbon dioxide sensor, a temperature and humidity sensor, an automatic controller, a temperature and humidity adjustment pipe and a ventilation pipe are arranged in the shed body; the silkworm rack is arranged on the first sliding rail, and a silkworm bed and a litter disk are arranged on the silkworm rack; the auxiliary rack is arranged on a second sliding rail. According to the intelligent litter-cleaning rail-type silkworm breeding device, a combined structure of the portable silkworm rack and the auxiliary rack, the temperature and humidity sensor and the automatic controller are arranged in the shed body, the problems, of larger occupation space, difficult breeding and litter cleaning and complex temperature and humidity control of a silkworm chamber, of an existing silkworm rack are solved, the situation is avoided that the growth and development of silkworms are limited by the temperature, the growth speed of the silkworms is improved, and high-yield breeding is achieved.

The invention belongs to the field of breeding, and particularly relates to a crab breeding method. In the crab breeding process, fish fries are placed to serve as bait of crabs so that stocking density of the crabs can be large, and meanwhile the fish fries can serve as bait in the crab growing process. Fishes captured by the crabs in a pond are increased while artificial feed is provided for the crabs, moving time of the crabs is prolonged, the health conditions of the crabs are improved, the survival rate in the breeding process is increased, and meat quality of the crabs is also improved.

The invention discloses a freshwater shrimp ecological pond culture system. The system comprises a freshwater shrimp culture pond, an aquatic economic plant planting region and a silver carp and bighead carp culture pond, which are arranged in sequence and are communicated with each other, wherein an artificial shrimp nest is arranged in the freshwater shrimp culture pond and is used for stocking freshwater shrimps; houttuynia cordata and water spinaches are planted in the aquatic economic plant planting region; the silver carp and bighead carp culture pond are used for stocking silver carps and bighead carps; pond water circulates among the freshwater shrimp culture pond, the silver carp and bighead carp culture pond, the aquatic economic plant planting region and the freshwater shrimp culture pond. The system has the beneficial effects that the stocking density is improved by arranging the artificial shrimp nest; the freshwater shrimp culture pond water after culture provides baits for the silver carps and the bighead carps and provides nutrients for aquatic economic plants, thus the water is purified and flows into the freshwater shrimp culture pond again; under the condition of the same culture area, the freshwater shrimp yield is increased by 3-4 times and the yields of the silver carps and the bighead carps and the aquatic economic plants are substantially increased, and the drug dose is greatly reduced or even drugs are not used, thus achieving efficient ecological culture of freshwater shrimps.

The invention relates to a factory sea cucumber pool-culturing device. The factory sea cucumber pool-culturing device is characterized in that: the factory sea cucumber pool-culturing device comprises more than one transverse partition plates and more than one longitudinal partition plates, the transverse partition plates are transversely extended, vertically arranged and located at different longitudinal positions, and the longitudinal partition plates are longitudinally extended, vertically arranged and located at different transverse positions. The purpose of the invention is to provide the factory sea cucumber pool-culturing device which has a simple structure and can increase the culturing density.

The invention discloses a high-density crab seed breeding method which includes the following steps that firstly, vermin killing and desilting of a pond are achieved; secondly, water is enriched; thirdly, crab seeds are cast into the pond; fourthly, the crab seeds are bred; fifthly, daily management is achieved; sixthly, the crab seeds are taken out of the pond. According to the high-density crab seed breeding method, the quality and nutrition of a water body are improved through the scientific method and the scientific steps so as to adapt to high-density crab seed breeding, and high benefits are obtained with low cost.

The invention discloses a culture method of local chickens. The culture method comprises the following steps: feeding the local chickens in a chicken farm surrounded by a railing, without a cage; feeding the local chickens through utilizing a rotary feeding device arranged at the center of the chicken farm, wherein a runway is formed between the rotary feeding device and the railing, feed is fed into a plurality of feeding troughs in the rotary feeding device, and the feeding troughs are arranged at equal intervals in a manner of spanning across the runway; feeding the local chickens in a plurality of culture spaces formed by the feeding troughs, wherein the side-by-side width of the local chickens in one space is smaller than or equal to the width of the runway; and starting the rotary feeding device at fixed time, so as to enable the feeding troughs filled with the feed to do periodic movement in the same direction along the runway synchronously. The culture method of the local chickens has the effects of increasing the utilization rate of fields, reducing an average feeding space needed by the local chickens each time, and reducing the cost of a feeding space.

The invention discloses a method for cage culture of bluefin tuna. The method for cage culture is low in investment, and the bluefin tuna obtained by culture is high in oil content and economic value. The method comprises the following steps: (1) selection of a mariculture area; (2) arrangement of cages and artificial fish reefs, to be specific, putting the artificial fish reefs, arranging a floating platform type frame, and hanging 8 to 14 cages around the floating platform type frame; (3) putting of fingerlings, to be specific, putting fingerlings of the bluefin tuna at a stocking density of 0.2 to 0.8 fingerling/m<3>; (4) feeding of a feed, to be specific, carrying out periodical starvation and then feeding, to be specific, carrying out starvation for 2 days, and then refeeding for 2 days at 2 to 5 pm, wherein a mixed feed is used in the feeding process.

The invention discloses a stepped laying hen cage, which comprises a laying hen cage main body, a feeding device, an egg collecting device, water drinking devices and a manure cleaning device, wherein the laying hen cage main body comprises a hen cage frame and more than four hen cage bodies; the hen cage frame is a trapezoidal frame; the hen cage bodies are symmetrically arranged at two sides of the hen cage frame to form a stepped structure; an egg tray is arranged at the lower part of each hen cage body; a trough is arranged in the outer side of each hen cage body; the feeding device is arranged above the troughs; the egg collecting device is arranged on the side surface of the laying hen cage main body and connected with the egg trays; the water drinking device is arranged in each hen cage body; and the manure cleaning device is arranged at the lower part of the laying hen cage main body. The stepped laying hen cage is high in automatic degree, full-automatic control on loading, feeding, water drinking, manure cleaning, egg collecting and environment is achieved, the labor intensity is greatly reduced and the labor cost is saved.

A pruning method for the trees in the 6 trees grouped forest features that the crown of each young tree in a group is pruned to become cylindrical shape and the crown of each group of 5 trees in middle age phase is pruned to become a tower shape with a pentagonal bottom while the branches in the group are pruned.

The invention provides for an apparatus (1) for growing aquatic animals comprising at least two securing members (3, 6) adapted to be removably fixed together such that a feed substrate (7) can be reversibly sandwiched between the securing members. The invention also provides for modular assemblies of the apparatus, and further provides methods of culturing aquatic animals and methods of increasing roe content of aquatic animals.

The invention discloses a device and a method for a factory to produce Procambarus Clarkii shrimps bearing roes. The production device comprises a spawning basin (1) and a water purification basin (2); the water purification basin (2) comprises a water inlet basin (3), a first filter basin (4), a second basin (5) and a collecting basin (6), and the basins are communicated with a pipeline. The production method includes the following steps: Firstly, the aquiculture water in the spawning basin flows into the water inlet basin automatically; the solid substances in the aquiculture water are removed by the water inlet basin, and then flows into the collecting basin by way of the first filter basin and the second basin, and finally pumped into the spawning basin by an air-lifting device; subsequently, 0.8-0.95kg/ m<2> Procambarus Clarkii parent shrimps are put into the cage of the spawning basin, the ratio between female and male shrimps is 4-5:1. The invention is capable to settle the problem that young Procambarus Clarkii shrimps can not be produced under the condition of manual control.

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.

The invention provides a high-density stereoscopic breeding method for leeches. The method comprises the following steps: (1) setting of a breeding net cage; (2) setting of a breeding medium: injecting water into a breeding pond, setting an ecological floating bed on the water surface outside the net cage, and setting No. 2 Goodyera yamiana on the ecological floating bed, wherein the area of the ecological floating bed occupies 2/3 to 3/4 of breeding area; (3) seedling putting: selecting leech seedlings with the weight of 0.3 to 0.5 gram per piece, and putting the seedlings with the density of0.12 million to 0.16 million pieces per mu; (4) fodder feeding: beginning feeding on the next day after seedling putting, wherein the feeding amount of fodder is 25% to 40% of total mass of leeches,and when the fodder inside the net cage remains 20% to 30%, the next round of fodder feeding is began; and (5) water quality management: spraying a bacteria solution into water at an interval of 15 to20 days, and cleaning impurities in water in time. According to the method, the water quality can be adjusted in time, the breeding density and survival rate of leeches are greatly increased, and theyield is improved.

The invention discloses a moving environment-friendly type exterior-interior aerator which comprises a carrier, an aeration mechanism, an axis rotation assembly and a telescopic traction rod, wherein the carrier comprises two buoys, a hoop and a steel tube belt fastener; the aeration mechanism is mounted between the two buoys through a support rod, and comprises a host machine, a motor mounted above the host machine through a support rod, an oxygen-accumulating covering cylinder mounted outside the motor and air-collecting pipes mounted at the inner sides of the two buoys; an exhaust pipe communicated with the host machine is arranged at the bottom of the oxygen-accumulating covering cylinder; the axis rotation assembly is fixed on a foundation pile in the center of a water body through an assembly base arranged at the bottom of the axis rotation assembly; two ends of the telescopic traction rod are connected with the carrier respectively through an L shaft assembly and the axis rotation assembly; and cables connected with the axis rotation assembly and the carrier are arranged on the telescopic traction rod. The aerator disclosed by the invention is applicable to oxygenation of fish ponds with different water depths, can realize oxygenation and fertilization, can improve water quality, and can be used for treating sewage and industrial waster water.

The invention discloses a multi-tier lifting adjustable pond for crab farming, comprising a pond body; the pond body includes a first pond, a second pond and a third pond; the second pond and the third pond are positioned above the first pond and are connected with the same through support posts, the center of the second pond is provided with a through hole, the through hole may be connected and/or disconnected with the third pond, the third pond, the second pond and the first pond may be interconnected through a ladder, the first pond is provided with a foundation, and the foundation is fitted with hydraulic devices connected with the support posts. The multi-tier lifting adjustable pond for crab farming can save farmland, provides multiple tiers of adjustable aerial farming ponds based on existing farming area so that exiting farming area is enlarged and aquaculture income is increased, and is good in structural stability, convenient to use and worthy of popularization.

The invention discloses an adjustable lifting multilayer crab culture pond which comprises a pond body. The pond body comprises a first pond, a second pond and a third pond, the third pond and the second pond are positioned above the first pond and connected with the first pond through a supporting column, the third pond is positioned in a through hole formed in the middle of the second pond, thethird pond, the second pond and the first pond can be connected with each other through a ladder, the first pond is provided with a foundation, and a hydraulic device is mounted on the foundation andconnected with the supporting column. The pond can give priority to farmland saving, a plurality of adjustable aerial culture ponds are added based on the area of an existing culture pond, so that thearea of the existing culture pond is increased, aquaculture income is improved, and the adjustable lifting multilayer crab culture pond is stable in structure, convenient to use and worthy of popularization.

The invention discloses a special feed for high-density culture of carps and a culture method of the carps, and belongs to the technical field of freshwater fishes. The special feed comprises fish meal, pork powder, chicken meal, soybean meal, rapeseed meal, cottonseed meal, vinasse protein feed, rice bran, corn protein powder, flour, soybean oil, vitamin premix, trace element premix, monocalciumphosphate, choline chloride, vitamin C phosphate, a mildew preventive, an antioxidant, vitamin E, L-carnitine hydrochloride, threonine, lysine and methionine. The breeding method comprises the three steps of breeding pond environment control, fry releasing and feeding control. According to the invention, the components in the formula are reasonably proportioned according to the nutritional requirements of carp organisms; the utilization rate of the carp feed is increased, the pollution of metabolites such as nitrogen and phosphorus to aquaculture water is reduced, and the sustainable development of carp aquaculture is promoted. Meanwhile, the matched breeding mode is high in stocking density, the utilization rate of pond water resources is high, and the output benefit per unit area is greatly improved.