36results about How to "Improve hatching success rate" patented technology

In the process of breeding snakes, individual households frequently meet the problems that the snake is difficulty to delivery and lays few eggs. The invention discloses a method for improving the survival rate of the snakes and hatching success rate of the snake eggs by timely oxytocin for the female snake with eggs and scientific management. The method is good for the growth and maintenance of the snakes in pregnancy, improves the success rate of the propagation of the female snakes and the snake egg incubation, improves the artificial breeding technology of the snakes, and realizes the industrial aquaculture of the snakes.

The invention discloses a method of hatching Yellow throat quasi-water tortoise, in the breeding season, employing ventilating plastic box as hatching box, laying a 3-6cm -thick sand grain layer on the box bottom as hatching base material, putting the fertilized ovum into the box, 2-3 fertilized ovum for every 100cm2, covering a 1-3cm-thick sand grain layer, the water content of the hatching bed during the whole hatching period is maintained 5-10%; and the temperature is controlled in 28-30 Deg C, then getting the infant tortoise with balanced sex ratio after 65-70 days later. The invention can increase the success rate of hatching Yellow throat quasi-water tortoise, and the survival rate of the infant tortoise.

The invention relates to an incubator for a henhouse. The incubator for the henhouse comprises an incubation box and a floating egg turning device arranged on the bottom of the incubation box, wherein the incubation box is arranged inside a water bath heat insulation device, an illumination lamp is arranged on the top of the incubation box, the floating egg turning device comprises a machine frame, a hydraulic cylinder, a lifting plate, a supporting base, a rotary mechanism and a hemispherical rotary support, the hydraulic cylinder, the lifting plate and the supporting base are sequentially connected from bottom to top, the rotary support is placed on the supporting base and connected with the machine frame, the rotary support is formed by movable connection of an upper support body and a lower support body, the upper support body is fixedly connected with the machine frame, the lower support body is installed on the supporting base in an embedded mode, a rectangular through hole is formed in the bottom of the lower support body, and the rotary mechanism is connected into the rectangular through hole of the lower support body through the supporting base. According to the incubator for the henhouse, eggs can be turned over automatically and mechanically, egg incubation efficiency is improved, and the success rate of incubation is increased.

The invention relates to a silkworm egg preservation method. The silkworm egg preservation method comprises the following steps: (1) selection of spawning paper, (2) spawning after-treatment and (3) silkworm egg storage. After testing, the incubation success rate of silkworm eggs is greatly increased; and by utilizing a common refrigeration method, the incubation success rate of the silkworm eggs is only 42%; by utilizing the silkworm egg preservation method, the incubation success rate of the silkworm eggs is increased to be above 60%, and the effect is remarkable.

The invention belongs to the technical field of fish reproduction and discloses a method for reproducing snakehead fishes by using artificial insemination and a hatching barrel. The method comprises the following steps: temporarily rearing selected parent fishes in a cement pond at the water temperature of 25-26 DEG C and performing spawning induction; in the cement pond at the water temperature of 28-29 DEG C, after the effect time, carrying out inspection and ore squeezing once every 2 h, three times in total; temporarily rearing parent fishes after ore squeezing, preventing inflammation with a penicillin agent to keep the survival rate of female parent fishes at 75% or above; taking testes from male fishes, and grinding the testes in a sperm preservation solution in a separated manner with a metal net; and before fertilization, activating sperm in the sperm preservation solution, then pouring ores for fertilization, hatching the ores in the hatching barrel after leaving the ores tostand for more than 2 h, and inflating the hatching barrel; taking out fertilized ores after hatching the ores in the barrel for 2 days, and performing fry culture after yolk sacs are absorbed 1-2 days later. The method significantly the utilization rate of female parent fishes and the survival rate of the female parent fishes after spawning, reduces field occupation and increases the fry hatchingsuccess rate.

The invention discloses a muscovy duck hatching method suitable for industrial culture. The method comprises the following steps: step 1, sending hatching duck eggs for hatching; step 2, performing hatching: hatching time of muscovy ducks is controlled to be 32-35 days, the temperature in a hatcher is controlled to be 37-38.2 DEG C, humidity is controlled to be 65%RH-75%RH, the hatcher is arrangedin a hatching workshop, and the temperature in the hatching workshop is controlled to be 10-27 DEG C; worthless hatching duck eggs are removed by first candling and second candling; at least one eggcooling and water spraying operation is performed every day according to the room temperature in the hatching workshop; step 3, picking up ducklings; step 4, transferring the muscovy ducklings pickedup in step 3 for feeding. The hatching method suitable for the muscovy ducks is explored by practical inspection, and the hatching success rate can be obviously increased; hatching efficiency is improved with an industrial hatching method.

The invention discloses a method for hatching carp fries. Club moss has characteristics that fragrance naturally given off by the club moss can stimulate female fishes to ovulate, so that the female fishes can ovulate on the next day after the club moss is arranged in a hatching pond. The ovulating data can be delayed for 2-3 days if other roe attachments are employed. A wood structure is established in the hatching pond, and the flowing clean water beats wood boards and then disperses all around, so that the content of oxygen entering the fry hatching pond can be increased, and the roe attached on the straight club moss can be normally hatched. Furthermore, the club moss is stacked to form grid club moss layers, so that the roe attaching ratio can be improved, and the roe attaching ratio by means of the club moss is higher than the roe attaching ratio by means of other attachments such as aquatic plants and palm sheets by 20-30% or more, and therefore the roe hatching success rate can be improved.

The invention discloses a fast-growing high-quality breeding method for young bullfrogs. The method comprises the following steps of 1, construction of a young frog pool and planting of aquatic plants; 2, hatching and management of frog spawns; 3, stocking of young frogs and feeding and management of feed; 4, separated breeding of the young frogs and fishing of adult frogs out of the pool. By means of the method, low-frequency ultrasonic waves are adopted for treating the frog spawns, the activity of the frog spawns is activated, the hatching time of the frog spawns is shortened, and the success rate of hatching the frog spawns is increased; through the addition of bullfrog tadpole strengthening liquid, bullfrog tadpoles obtain healthy and sufficient nutrients in the early stage, and a good foundation is laid for the growth and development of the young bullfrogs; by feeding the young bullfrogs with feed suitable for different growth stages of the young bullfrogs, the nutrition functionof all components in the feed is full achieved, the young frogs are acclimated to eat the static feed, and the feeding cost is reduced; by planting eichhornia crassipes with water purification and shading functions, the water environment is purified, the diseased rate of the young bullfrogs is reduced, and the yield of the bullfrogs is increased from various aspects.

The invention discloses a meat hatching egg holder. The meat hatching egg holder comprises an egg holder body and a plurality of egg containing holes formed in the egg holder body; the adjacent egg containing holes are arranged in a staggered man ner, the two rows of separated egg containing holes are in parallel and are aligned, a plurality of egg clamping jaws which are symmetrically distributed are arranged on the inner side walls of the bottoms of containing openings of the egg containing holes, a plurality of supporting plates are arranged on the upper surface of the egg holder body, fixing bases corresponding to the supporting plates are arranged on the lower surface of the egg holder body, clamping grooves of the fixing bases are opposite to the upper edges of the corresponding supporting plates, a plurality of connecting ribs for connecting the edges of the bottoms of the multiple egg containing holes together are further arranged on the lower surface of the egg holder body, the height of the connecting ribs is smaller than that of the fixing bases, and a plurality of grooves are formed in the edges of the containing openings of the egg containing holes. The holder is suitable for containing meat hen eggs, meat duck eggs and the like in the farm, the egg holder is good in ventilation effect, and the hatching success rate is greatly improved.

The invention relates to the field of fish breeding and hatching, in particular to a pond snakehead breeding and hatching pond which comprises a cuboid hatching pond. A water inlet is arranged at one end of the hatching pond, a water outlet is arranged at the other end of the hatching pond, a filtering net is arranged at the front end of the water outlet, each of a left half and a right half of the hatching pond is provided with water return walls which are equidistantly spaced and parallel, water outgoing holes are formed in the bottom, among the water return walls of the left half, of the hatching pond, water outgoing holes are formed in the bottom, among the water return walls of the right half, of the hatching pond, a frame rod is arranged right above the middle of the hatching pond, and turbines are arranged on the frame rod. By the pond snakehead breeding and hatching pond, hatching success rate of pond snakehead is increased, and hatching and breeding cost of the pond snakehead is saved.

The invention discloses a method for utilizing perfectly straight club mosses to hatch carp fries. By fully utilizing the characteristics of the club mosses, naturally diffused fragrance of the club mosses can stimulate female fish to perform ovulation, and generally the female fish can perform spawning on the next day after being put, while the time is delayed for 2-3 days by using other roe attachments. In addition, the club mosses are erected into a club moss layer similar to a net, accordingly the roe attachment rate can be improved, the attachment rate can be improved by 20-30% or even can be higher by utilizing the club mosses compared with the attachment rate obtained by using other attachments, and further the roe hatching success rate is improved.

The invention provides an artificial hatching method for barbus capito roes, which comprises a fertilized roe hatching process: the fertilized roes of barbus capito are put into a water body in which tourmaline is put for hatching, and the putting amount of the tourmaline in the hatching water body is 10-30 g/L. The tourmaline is put into the hatching water body for hatching the fertilized roes, so that the content of negative ions in the hatching water body is increased, the negative ions in the hatching water body can be combined with oxygen molecules in air, and the dissolved oxygen content in the hatching water body is effectively increased. The oxygen deficit probability of the fertilized roes in the hatching process is reduced by increasing the dissolved oxygen content in the hatching water body, so that the hatching rate of the fertilized roes is increased, and the situation that the fertilized roes are demolded in advance due to oxygen deficit to cause death or abnormal development is avoided.

The invention belongs to the hatching field and discloses a hatching device for breeding the poultry. The device includes an incubator, wherein an inner wall of the incubator is in sliding connectionwith support boxes at equal intervals through sliding rails, hatching nets are arranged above the incubator, limit rods are fixedly connected above the hatching nets at equal intervals through bolts,filtering nets are in threaded connection with lower portions of the support boxes, heaters are arranged below the support boxes, the heaters are fixedly connected with the incubator through bolts, aninner top board of the incubator is fixedly connected with a first fan through bolts, and a circulation box is fixedly connected above the incubator through bolts. The device is advantaged in that the structure is simple, the device is practical and convenient, the excellent environment is provided for hatching, setting of a sterilization box and a drying box can ensure cleanness of the hatchingair and a certain degree of drying, infection of the eggs in the hatching process is avoided, and the success rate of hatching is improved.

The invention provides a shrimp egg in-vitro incubation device and a using method thereof. The shrimp egg in-vitro incubation device comprises a rack, an upper water tank, a lower water tank, net bags, a bucket and a submersible pump, the two ends of the lower water tank are communicated with a water inlet and a water outlet respectively, and the upper water tank is nested in the lower water tankand horizontally and linearly moves back and forth at a fixed frequency in the lower water tank; the net bags are fixedly nested on the bottom face of the upper water tank in a matrix arrangement manner and located in a gap between the bottom of the upper water tank and the bottom face of the lower water tank, the bucket is fixedly installed at one end of the rack, a bucket opening is located under the water outlet, and the submersible pump is fixedly arranged in the bucket and communicated with the water inlet; and the upper water tank is arranged to horizontally and linearly move back and forth in the lower water tank in a reciprocating manner at the set amplitude and frequency, the swing action of appendages in the female shrimp incubation process can be scientifically simulated, shrimpegg death caused by oxygen deficit is effectively prevented, the net bags are arranged in the upper water tank in the matrix manner, and newly-incubated shrimp eggs can be conveniently collected andmanaged in a classified manner.

The invention discloses a sturgeon hatching method based on a neural network model and a system thereof, relates to the field of sturgeon culture, aims to solve the problem that sturgeon hatching conditions are not controlled finely at the present stage, collects the optimal hatching rate of different sturgeon roes through a plurality of experience samples, and according to data provided by the plurality of experience samples, the sturgeon roe type, the total roe number and the hatching rate serve as input layers, the temperature, the water flow speed, the dissolved oxygen concentration, the illumination intensity and the average hatching duration serve as output layers, a neural network is constructed, training is conducted till convergence is achieved, and a neural network model is obtained; the optimal hatching condition can be obtained by inputting the sturgeon roe variety, the total roe number and the ideal hatching rate by breeding personnel, the system can also assist in controlling the hatching condition, and efficient hatching and intelligent hatching are guaranteed.