1802results about How to "Shorten the breeding cycle" patented technology

The invention belongs to the technical field of plant seedling culture, and discloses a seedling growing method for oil expression peony seeds. The method comprises measures of collection and processing of the oil expression peony seeds, seed storage, seedbed preparation, sowing and seedling raising, management after transplantation, and the like. Compared with the prior art, the method has the advantages that the seed processing time is short, the seed processing method is simple, the emergence of seedlings is tidy, the emergence rate is high, the seedling survival rate is high, the seedling raising cost is low, no season influence of transplantation after seedling survival exists and the like.

The invention discloses a seedling cultivating method for cutting hard woods of acer palmatum. The method comprises the following steps: (1) selecting an appropriate cutting time; (2) preparing a cutting substrate; (3) preparing rooting agent; (4) cutting slips processing and cutting; and (4) managing and transplanting after cutting. The seedling cultivating method for cutting the hard woods of the acer palmatum, disclosed by the invention, has the characteristics as follows: the cutting survival rate reaches more than 80%; compared with the cost of acer palmatum softwood cuttage, the cost of hard wood cuttage is reduced by 30-50%; the cost of hard wood cuttage is only about 20% of the cost of a tissue culturing method; and compared with a seedling cultivating period of the acer palmatum graftage, the seedling cultivating period of the hard wood cuttage is reduced by 2-3 years. The method disclosed by the invention has the advantages of simplicity, convenience and easiness in operation, low cost, simple technical requirements, easiness for promotion and application as well as important application and promotion values in acer palmatum seedling breeding production.

The invention belongs to the technical field of fruit trees and forestry cultivation, and discloses a method for promoting the lateral rooting of a annual carya illinoensis seed seedling, the root of a sprouting carya illinoensis seed seedling is mechanically cut, and a pair of scissors is utilized to cut the part below the fibrous root; and the seedling which is subjected to mechanical root cutting is transplanted into a nutrition pot, melon seed-shaped pebbles are laid on the bottom of the nutrition pot for 5 centimeters, and a nylon net is cushioned on the melon seed-shaped pebbles. A matrix is put in a container, the seedling is transplanted in a facility which is cold-proof and sun-proof for one month, a furrow which has the width of 13 centimeters and the depth of 20 centimeters is defined in a seedbed of a land, and the row spacing of the furrow is 30 centimeters. A layer of non-woven fabric is laid at the bottom of the furrow, a chemical rooting-resistant agent is coated on the non-woven fabric, and the nutrition pots which are planted with the seedlings are put on the non-woven fabric according to the planting distance of 20 centimeters, and are fixed finally. The water and fertilizer management period is normally carried out. The method can be used for effectively promoting the lateral rooting of the carya illinoensis seed seedling.

The invention discloses a Chinese medicinal herb additive for meat chickens and application. The Chinese medicinal herb additive comprises heterophylly falsestarwort root, nutgrass galingale rhizome, amur corktree bark, coptis root, medicated leaven, sanguisorba, hawthorn, Indian Buead, officinal magnolia bark, largehead atractylodes rhizome, tangerine peel, malt, indigowoad root, swordlike atractylodes rhizome, indigowoad leaf, cyrtomium fortune, chatoyancy and calamus; and mixture of the compositions is added with calcium bicarbonate, phytase, mulitivitamin for birds and lysine. The Chinese medicinal herb additive effectively promotes absorption of nutrient, can resist bacteria and virus, strengthen immunity of the meat chickens, effectively prevents bird flu, has obvious curative effect on diseases having respiratory tract symptoms as the major symptom, and has inhibiting function on familiar newcastle disease, colon bacillus, Pasteurella, enteritis, diarrhea, feather pecking, hair shedding, anus pecking, coccidiosis and the like. The additive cannot restrict the growth and disease resistance of the meat chickens, the meat quality of the meat chickens fed by the additive is obviously better than that of the meat chickens fed by the prior feed additive, the average daily gain of the meat chickens is improved by 23 to 28 percent than that of the meat chickens fed by the prior feed additive, the cultivation cycle is obviously shortened, and no harmful substance is deposited.

The invention discloses a centralization indoor constant temperature circulation aquaculture system which includes two aquaculture ponds arranged side by side. A water inlet and a water outlet are arranged in each aquaculture pond. An aerator and a swell machine are arranged in each aquaculture pond. The centralization indoor constant temperature circulation aquaculture system is characterized in that the two aquaculture ponds are made of thermal insulation materials. A sewage treatment system is arranged between the two aquaculture ponds. A suction sewage device is arranged at the end of water outputting of each aquaculture pond. The suction sewage device is connected with the sewage treatment system through a sewage pipe. A water outlet of the sewage treatment system communicates with each aquaculture pond. The centralization indoor constant temperature circulation aquaculture system has the advantage that circulation utilization of water for aquaculture is achieved so that the quality of aquaculture aquatic products is improved and pollution of sewage discharges to environment is reduced.

The invention discloses a fast tissue culture reproducing method of actinidia eriantha, belonging to the technical field of plant tissue culture. The method comprises the following steps: (1) tissue culture medium preparation; (2) explant selection and sterilization; (3) inducing culture; (4) proliferation culture; (5) rooting culture; (6) tissue culture plantlet acclimatization and transplant, and the like. The fast tissue culture reproducing method has high culture medium pertinence and good applicability, the inductivity of an initial sprout of an explant reaches more than 80 percent, the proliferation rate of a successive sprout reaches 2-7 times, the plantlet height can reach 2-5 centimeters for 20-30 days, the quality of tissue culture plantlets is enhanced, the rooting rate reachesmore than 95 percent, and the transplant survival rate reaches more than 95 percent. The invention can be popularized and applied to fruit tree plantlet enterprises.

The invention discloses an efficient environmental-friendly black carp extrusion compound feed and a production method thereof. The method is characterized by comprising the following steps: mixing large amounts of other raw materials such as fish meal, extruded-soybean, soybean meal, rapeseed meal, cottonseed meal, wheat and rice bran and then coarsely crushing a mixture; adding spray-dried animal blood cells, larvae powder, monocalcium phosphate, choline chloride and salt for evenly mixing, carrying out superfine crushing; adding vitamin premis, mineral premix, rheum emodin, L-carnitine and allicin for evenly mixing; and carrying out steam tempering, extrusion, granulation, drying, spraying, cooling and the like on the mixed materials to obtain the product. The black carp extrusion compound feed is simple to prepare and has comprehensive and balanced nutrition, the digestibility of the black carp on feed nutrient substances can be improved, the feed coefficient is reduced, and the nitrogen and phosphorus emission is lowered. The feed has good palatability, excellent stability in water, and less feed wastes and water pollution. The feed can increase the immunity, antioxidation and anti-stress capabilities of the black carp, and promotes the growth of the black carp.

The invention discloses a management system and method of intelligent livestock breeding. An intelligent fodder feeding module in the system is used for detecting real-time edible condition of materials of livestock in real time and supplying fodders of predicted fodder put volume according to livestock individual growth data, the number of feeders is reduced, the breeding cost is controlled, thescientific nature, standardization and degree of automation of the livestock breeding are improved; an intelligent environment control module collects environmental parameters in a breeding environment, and the livestock breeding environmental parameters are adjusted in the most suitable growth range; a disease monitoring module monitors the disease condition of the livestock to reduce the epidemic situation infection probability of the livestock; a growing prediction module predicts the growth tendency and best slaughter time of the livestock according to the individual growth data; a qualitytraceability module records, stores and inquires the breeding information in the livestock breeding process; and the intelligent management of the livestock breeding is realized together, and the purposes that the number of the feeders is reduced, the breeding period is shortened, the breeding cost is controlled and the livestock breeding is scientific and standard are achieved.

The invention belongs to the fields of a gene sequence and an obtaining method of the gene sequence, and particularly relates to an obtaining method of an SNP (single nucleotide polymorphism) site and a CAPS (cleaved amplified polymorphic sequence) mark interlocked with a citrullus lanatus fruit bitter taste gene Bt (bitterness). The SNP site and the CAPS mark interlocked with the citrullus lanatus fruit bitter taste have nucleotide base sequences in SEQ ID NO:1-2 in a sequence table. The citrullus lanatus fruit bitter taste gene is primarily positioned by screening a bitter taste single plant in an RILs colony and combining with the high-density genetic map information of the citrullus lanatus; the candidate SNP site interlocked with the character is combined with separate colony verification analysis and natural colony verification analysis; the mark tightly interlocked with a target character is obtained; the SNP site and the CAPS mark can be applied to improvement of citrullus lanatus variety and molecular assisted breeding; a technical support is provided for molecular breeding of the citrullus lanatus quality; and meanwhile, the traditional gene positioning time is greatly shortened.

The invention belongs to the technical field of cotton molecular breeding, and discloses SNP molecular markers associated with fiber strength of upland cotton as well as detection of the SNP molecular marker and application of the SNP molecular marker. The SNP molecular marker takes a cotton stable RIL group as a material, and is obtained through a genome re-sequencing method. The SNP markers are utilized to perform molecular marker assisted breeding, so that the breeding period can be greatly shortened, cotton fiber strength is enhanced, and the breeding efficiency is improved.

The invention discloses an air layering breeding method for chaenomeles speciosa, and belongs to a breeding method for the chaenomeles speciosa. The air layering breeding method comprises steps as follows: step A, skin girdling; step B, wound wrapping; step C, shearing from a parent body; and step D, planting: a plastic membrane arranged on a mud ball in a covering manner is removed, the root of a branch sheared from the parent body is disinfected and plated together with the mud ball on a planting field, soil on the planting field is used for completely covering the mud ball at the root of the branch, and then root fixing water is poured. Under the condition that the shape of the chaenomeles speciosa plant is not destroyed, the suitable branch is selected directly for accomplishing seedling raising on a tree, the seedling raising period is shortened effectively, the branch which is to be sheared on the chaenomeles speciosa plant can be selected for seedling raising, the branch to be sheared can be used effectively, and waste is changed into valuable; and rooting is accomplished on a seed tree, so that the survival rate of seedlings after field planting is improved greatly and normally can be higher than 95%, and the rate of bred commercial seedlings can be higher than 90% when measures such as auxiliary support, container transformation and the like are combined.

The invention discloses a method for breeding a new species of lean meat type pigs-Shennong No. 1, which includes: A) the erhualian sow as female parent and the yorkshire boar as male parent are in cross breeding to obtain the yorkshire*erhualian cross bred sow; then, cross breeding female parent is in cross breeding with the danish landrace boar to obtain danish*( yorkshire*erhualian) ternary hybrid pigs; B) a fundamental selective breeding group of danish*( yorkshire*erhualian) ternary hybrid pig is formed and selected as zero-generation of Shennong No. 1; C) the boars and sows are mated to obtain piglets, good piglets are selected gradually for seed reservation; D) the good piglets are continuously cultivated until sexual maturity, the outstanding individual female and male pig are reserved as the next generation of swine respectively according to reproductive performance and meat quality as well as carcass performance and growth performance; E) the step C) and D) are repeatedly operated for 4-15 times. The main selective breeding indexes of the Shennong No. 1 pig are based on the reproductive performance and meat quality, the Shennong No. 1 pigs have the advantages of good meat quality, which is manifested in red meat color, good water holding capacity, high intramuscular fat, and good tenderness and the like. Referring to the reproductive performance, the number of the first-born Shennong No. 1 sow is more than ten.

The invention discloses a container nursery method for cinnamon. The method comprises the procedures of selection of nutrient cups, preparation of a nursery substrate, seed collection and treatment, cup planting of seedlings and cultivation management. The method comprises the following specific steps: preparing the prepared nursery substrate in the nutrient cups; treating collected cinnamon seeds; planting the seedlings into the cups; finally performing cultivation management to obtain cinnamon nursery stocks. The nursery substrate is prepared by mixing yellow soil, coco coir and perlite in the ratio of (1-6):1:1. According to the method, sowing seeds are saved, and the production cost is reduced; moreover, the nursery substrate has higher physical properties and is more suitable for the growth and development of the cinnamon, a brand new cultivation system is established for the cinnamon, the survival rate and growth amount of the cinnamon are increased greatly, and a good economic benefit is achieved; the cultivation of the nursery stocks in cinnamon containers is not influenced by soil property, land which is unsuitable for land cultivation can be utilized, the land resources are protected effectively, and better social and ecological benefits are achieved.

The invention discloses an unmanned-monitoring underwater cultivation robot. The unmanned-monitoring underwater cultivation robot comprises an aircraft body, and further comprises a datum collecting module and a datum treatment module. The datum collecting module comprises a camera, a temperature and salinity sensor and five constant water quality device, and the datum treatment module comprises an image recognizing module and an aquatic product growing condition extraction module. According to the unmanned-monitoring underwater cultivation robot, the aquatic product growing condition is extracted based on the fusion algorithm of images and water quality parameters, and the recognizing accuracy rate is increased; operations such as the fact that a fish is caught to be measured are avoided,harm to the fish is reduced, whether a fish is sick or not is timely inspected, timely controlling and precautions are conducted, the cultivation period of fries can be shortened in a certain extent,timely controlling can be conducted on diseases of the fries, and thus the purpose that the income is increased is achieved.

The invention belongs to the technical field of molecular breeding of cotton and discloses an SNP molecular marker associated with fiber strength of upland cotton as well as detection and application thereof. The SNP molecular marker is obtained by taking stable RIL group of cotton as the material through a genome resequencing method. When the SNP markers are used for carrying out molecular marker-assisted breeding selection, the breeding period can be greatly shortened; the breeding efficiency of the cotton can be improved; the cotton fiber strength can be improved.

The invention relates to a technical method for high-efficient breeding of wheat, which comprises low-temperature vernalization, south breeding and generation adding, shuttle breeding, multi-point combined identification and the like. In particular, the technical method comprises the following steps of: treating the seeds obtained after the strong-winterness wheat blossoms for 15 to 20 days by hydrogen peroxide, washing the seeds by pure water, sprouting the seeds at the room temperature, putting the seedlings growing to 1 to 2 centimeters in an artificial weather room, performing the green-body vernalization of the seedlings for 45 and 50 days at a temperature of between 3 and 5 DEG C and a relative humidity of 70 percent and under a light intensity of 15001x; hardening the seedlings of the winter wheat undergoing the vernalization treatment at the normal temperature for 1 to 2 days, and transporting the seedlings to Yuanmou in Yunnan province; and preparing a rice seedling bed, watering and soaking the rice seedling bed, discharging visible water before transplanting, and transplanting the seedlings in mud at dusk. The disease resistance, stress resistance, adaptability and yieldstability selections of breeding materials are carried out by shuttle breeding and multi-point combined identification and the like. The technical method for breeding provides rich reserve of raw materials for the rapid improvement of the wheat variety, and also lays a sold foundation for demonstration and popularization of a new variety in large areas.