617 results about "Gonad" patented technology

The present invention provides bionic giant salamander domesticating and propagating process, which includes building artificial brook in original habitat of giant salamander, building caves covered with soil on two sides of the brook and planting vegetables to form conditions suitable for giant salamander to grow; and building stepped reservoirs in the upstream of the brook to ensure safe water quality. The bionic giant salamander domesticating and propagating environment can provide giant salamander with effective protection, and is favorable to the growth and propagation of giant salamander.

The invention discloses a mimic ecological propagation method for breeding parent fish of American hilsa herring, comprising the following steps: establishing a mimic ecological breeding system suitable for natural growth and maturity of the sexual gland of hilsa herring by adopting a circulation water breeding technique and an automation control technique of water environmental factor; regulatingthe mimic natural seasonal rhythmicity for the major physical factors, water chemical factors, and the like of the breeding environment, including factors such as salinity, water temperature, water flow and period of lighting daily variation while fortification; injecting hormone to the parent fish before the spawning season to promote maturity of the sexual gland, and causing the hilsa herring to spawn naturally through enhance water flow stimulation; arranging a spawn collecting box at a circulation water outlet to collect the germ cells and then placing the germ cells in a semi-floating germ cell separation incubator for incubation. The invention can remarkably improve the spawning efficiency of the parent fish of hilsa herring and the incubation rate of the germ cell, and provide thetechnical support for the industrialization of artificial propagation technique for breeding hilsa herring.

The invention discloses a bottom water filtering system and further discloses an imitated ecological recirculating aquaculture and propagation system and a method for promoting natural propagation of migratory fish by adopting the recirculating aquaculture and propagation system. By adopting the method and establishing the recirculating aquaculture and propagation system suitable for integrated growth, development and spawning of the migratory fish, breeding and propagation functions are effectively integrated, and synergic regulation of ecological factors which are necessary during maturation of the migratory fish, especially reeves shad is optimized, so that sexual glands of bred parent fish can synchronously develop and mature under the appropriate, coordinative and controllable ecological conditions, the parent fish can naturally spawn without artificial spawning, and injuries, deaths and gonad development interference caused by hormone injection and catching operation are avoided. The method for promoting the natural propagation of the migratory fish by adopting the recirculating aquaculture and propagation system is simple, reliable and effective and is the key for propagation technology industrialization of the migratory fish, especially the America reeves shad.

The invention relates to the technical field of the breeding of shellfish seedlings, in particular to an artificial breeding method for Mactra chinensis. Through the combination of artificial ripening and ecological ripening of parents, the development of sex glands is regularly detected to determine the mature period of the sex glands of the parents; methods such as shade drying, water flowing and so on, are adopted to stimulate the spawning and spermiation of the parents to obtain fertilized eggs, and D larvae are obtained through the embryonic development; and on this basis, larva breeding, larva metamorphosis and juvenile shellfish cultivation are performed. A large amount of Mactra chinensis seedlings can be obtained through the links. The method breaks through an artificial breeding technology of the Mactra chinensis, solves the problem of the breeding of the Mactra chinensis seedlings that fails to be broken through for a long time, and lays a solid foundation for the development of cultivation and proliferation of native species, the resource recovery of shallow seas and tidal-flat areas, and the maintenance of biological diversity. The method has the characteristics of simple and convenient operation and high practicality.

The invention provides a fully-artificial breeding method of parent crabs of Portunus trituberculatus, comprising the following steps of: selecting large female and male parents with good characters; artificially controlling the female and male parents to be mated; numbering the mated female crabs and then putting into an overwintering pond, wherein baits of an overwintering period are living clam worms; utilizing sand-filtered underground seawater and controlling the water temperature in a range of 8-10 DEG C to accelerate sexual glands to grow to be mature and ovulate; putting one parent crab with ova into a cage and then putting the cage into a breeding pond to ovulate larvae and breed in the May of the next year; culturing the larvae in one pond to the second phase of young crabs; then putting the young crabs into a cultivation pond to be cultivated, so as to realize the fully-artificial cultivation of the Portunus trituberculatus. According to the invention, the fights and injuries of male crabs are reduced and the parent breeding success rate is improved; the generation and the transmission of diseases are reduced, and the overwintering survival rate is improved; and meanwhile, the fully-artificial breeding method is also applicable to temporary cultivation of commodity crabs so that the marketing period of the commodity crabs is prolonged and the economic additional value of the cultivated crabs is improved; and the larvae are cultivated in one pond so that the fully-artificial breeding method is applicable to propagating of the population of the Portunus trituberculatus breeding population.

The invention relates to a prawn low dissolved oxygen resistance family selection method, and belongs to the technical field of prawn stress-resistance trait selection. The method comprises the steps of base population establishing; F1 generation family establishing; same pool culturing; low dissolved oxygen resistance testing; F2 generation family establishing; continuous generation selecting, wherein different sources of parent prawns are selected to establish a full/half-slib family through directional mating, common environmental breeding is performed, 94 h low dissolved oxygen stress is performed, parent selecting and remaining are performed according to the low dissolved oxygen resistance test result and the growth measure result, after four generations of continuous selection, the family of distant genetic relationship is selected from the families with excellent growth performance and strong low dissolved oxygen resistance performance, the male and female prawns which are big in individual, strong in vigor and normal in gonad development are selected to serve as parent to breed as good varieties. According to the method, the problem occurring in prawn high-density culturing that the prawns are dead caused by the fact that the prawn growth is influenced by low dissolved oxygen is solved, and the development of the prawn high-density culture industry is greatly promoted.

The invention belongs to a meca wine and a production technology thereof. The meca wine is characterized by being prepared from dipping the following components according to parts by weight: 100 parts of white spirit and 4-20 parts of meca. The production technology comprises the following working procedures: screening raw materials, cleaning meca, slicing, drying, mixing, dipping, filtering, and filling. The wine has a faint scent type or an aroma type, has agreeable taste and sweet fragrance, has the efficacy on conditioning and nourishing gonad, improving endocrine, adding hormone and improving the situation of sub-health, and is a new health wine variety suitable for people of all ages.

The invention relates to the special aquatic product culture technology field, particularly an acrossocheilus fasciatus simulated ecological factory large scale breeding and domestication method. The method comprises the following steps: build an acrossocheilus fasciatus breeding water quality regulation and control pool-build an acrossocheilus fasciatus parent cultivation, oviposition and adult fish domestication pond-build an acrossocheilus fasciatus hatching and fry cultivation culture pond-build an acrossocheilus fasciatus ovarian follicle hatching sieve-make the access to water source-disinfect the acrossocheilus fasciatus parent cultivation, oviposition and adult fish domestication pond-adjust the water level of the acrossocheilus fasciatus parent cultivation, oviposition and adult fish domestication pond-select the parents-oviposition of the parents-ovarian follicle collection-ovarian follicle hatching-fry cultivation-adult fish culture-disease prevention in culture stage. The pure excellent water is used in the whole process. The beneficial effects of the invention are as follows: the sexual gland of the parents grows well because of ecological cultivation; the amount of nature oviposition is huge with big granule and good quality; because of suspension hatching, the outside is dynamic and the inside is static, and the oxygen is enough; the cultivation of the fry in the culture pool is enhanced; the adult fish grows fast because of abundant bait; and similar wild quality is provided because of being similar to nature environment.

The invention discloses a compound feed capable of enhancing reproductive capacity of a parent dace and aims at providing the compound feed capable of enhancing the reproductive capacity of the parent dace, the gonad index of the dace, the egg diameter, the egg laying amount, the fertilization rate of the parent dace, and the fry hatching-out rate. According to the technical scheme, the feed consists of basic ingredients and a Chinese herb medicine additive according to a mass ratio of (99.5-99.9):(0.1-0.5), wherein the basic ingredients include 20-30 parts of wheat, 4-6 parts of rice bran, 6-8 parts of vinasse, 20-30 parts of rapeseed meal, 15-20 parts of bean meal, 10-18 parts of a maize gluten feed, 2.5-4 parts of bean oil, 1 part of monocalcium phosphate, 1 part of bentonite, 0.5 part of multi-vitamin and 1.0 part of complex mineral matter; and the Chinese herb medicine additive consists of: 2-5 parts of saffron, 8-20 parts of glossy privet fruits, 5-20 parts of leonurus heterophyllus, 5-15 parts of officinal magnolia bark, 7-18 parts of Chinese magnoliavine fruit and 6-10 parts of liquorice. The compound feed belongs to the technical field of fish feeds.

The sex gland mature promoting feed additive is used to promote the sex gland mature of adult tiger prawn. The sex gland mature promoting feed additive consists of liquid highly unsaturated fatty acid 5-25 weight portions, 1.5 % over astaxanthin 5-10 weight portions, cholesterol 5-10 weight portions, vitamin C 4-10 weight portions, vitamin E 1-3 weight portions and kelp powder 50-80 weight portions. The present invention may be well adhered to squid, clam warm and other live bait for adult tiger prawn to ingest and can promote the sex gland mature of adult tiger prawn obviously.

Disclosed a method for cultivating the seedling of cephalopod in the young stage of zooplankton is characterized in that: (1) breeding the parent, shading and aerating; (2) accelerating the gonad of parent; (3) moving the parent into the cowrie-friendly ovipositting pool; (4) throwing the spawn-picking device; (5) breeding the male and female in one pool; (6) after the coition of male and female parent, collecting the zygote to be laid into the cultivating pool for the current-aerating cultivation; (7) hatching the seedling of cephalopod to be cultivated in the current of cultivating pool. Wherein, said cultivating pool can form the rotary current while the amount and the water level are controllable to assure the sufficient supply of dissolved oxygen, which can apply the development and the seedling cultivation of zygote. And the method can effectively utilize the cultivating water, increase the cultivation density, easily observe the growth, feeding and the bait conditions of seedling, and solve the variable problems in the producing process in advance.

The invention discloses fish oytocin oral granules and preparation and using methods thereof, and belongs to the technical field of fish culture. Aiming at the problems of difficult hormone delivery, complex operation, high cost, low ecbolic efficiency, high parent fish death rate and the like in artificial propagation of certain small fishes, the invention provides an artificial ecbolic method, which avoids fish stress response death and is high in ecbolic rate, easy, convenient, feasible and low in cost. The method comprises the following steps of: dissolving oytocin into normal saline, spraying the solution to an aquatic granulated feed, preparing the fish oytocin oral granules by wrapping a layer of animal grease containing vitamin E on the surface of the aquatic granulated feed, feeding the fishes with the oytocin oral granules in the propagation season of the fishes, and delivering the external hormone to parent fishes when the fishes actively eat the oral granules to induce gonad maturation, laying and fertilization of the parent fishes. The oral granules and the method are mainly applied to the artificial propagation of certain small fishes.

The invention relates to a rhinogobio ventralis manual propagation technology which specifically includes four steps of domesticating, strengthening propagation, parent fish spawning induction, fertilization incubation and the like. The method breaks through the rhinogobio ventralis manual propagation technology for the first time at home and abroad, successfully solves the technical difficulties of high stress, difficult domesticating and streak gonads in the rhinogobio ventralis domesticating propagation process, and successfully achieves rhinogobio ventralis manual propagation for the first time. In the period from June 27th to May 9th in 2014, spawning induction of rhinogobio ventralis is conducted successfully for five times, about 97 thousand fertilized eggs are obtained, the fertility rate reaches 98.9%, about 30.5 thousand new-born fish fries are obtained, and stock enhancement of the rhinogobio ventralis becomes possible. The method achieves the technical reference and demonstration effects on protection of valuable rare fishes in the upstream of the Yangtze River and has great economical benefit, social benefit and ecological benefit.

The invention relates to a sperm and ovum health beverage which comprises fulvic acid, gene vitality element, plant extract, fungus polysaccharide, vitamin, hydroxycitric acid (HCA), soluble dietary fiber, L-arginine, L-carnitine, zinc gluconate, calcium lactate, sweetening agent, milk, coffee and purified water. The invention has simple technology, low cost and complete product nutrition and contains rich natural polypeptide, polysaccharide, amino acid and vitamin and various trace elements. All components interact to promote blood circulation and sex hormone secretion so as to achieve the functions of promoting the growth of sperms and ovums, improving the quality and the vitality of the sperms and the ovums and improving the sexual function. The sperm and ovum health beverage has the good improving effect on ED symptoms including renal dysfunction, working strain, heavy spirit pressure, bradypsychia, palpitation, stomachache, weak waist and knee, sexual dysfunction, and the like. As a pure natural preparation, the sperm and ovum health beverage has no poison and side effect and adverse reaction.

The invention relates to an artificial mixed breeding method for spotted maigre and large yellow croaker in marine aquaculture industry, and belongs to the technical field of marine culture. The breeding method includes the following steps, firstly pond-separated breeding maturation accelerating and parturition hastening of parent fish; secondly, same-pond breeding of spotted maigre and large yellow croaker fry; and thirdly, fry separating that's carried out through siphonage after the fry grows to be 2 to 3 cm in length. The pond-separated breeding maturation accelerating and parturition hastening of parent fish includes the maturation accelerating of the spotted maigre and the maturation accelerating of the large yellow croaker, and both the maturation accelerating of the spotted maigreand the maturation accelerating of the large yellow croaker include parent fish breeding and gonad maturation accelerating and parturition hastening. The same-pond breeding of spotted maigre and large yellow croaker fry includes same-pond hatching of the fertilized eggs of the spotted maigre and the large yellow croaker, prelarva prior period growing management, prelarva later perior growing management, postlarva period growing management and water quality regulation and control. 1.5 kg of fertilized eggs of the spotted maigre and the large yellow croaker are thrown into a mud pond of 32m<2>,and 696, 7000 juvenile fishes of 2 to 3 mm are bred at last, and the breeding rate per unit area is 2300/m<2>, as a result, the utilization rate of the breeding pond is greatly improved and the breeding cost is reduced.

A hybridization method between Chinese spiny sea cucumber and Russian (or korean) one for preparing the hybrid one with high growth speed, stress resistance, survival rate and nutritive value includes such steps as using special culture technique to make them mature symultaneously, artificial oxytocia to obtain their spermatozoa and ova, artificial fertilization, and culturing fertilizer ova until they become laval plankton.

The invention discloses a female epinephelus moara and male E. septemfasciatus crossbreeding method, and belongs to the technical field of marine fish breeding. The female epinephelus moara and male E. septemfasciatus crossbreeding method comprises the steps that parent selection is carried out, wherein a four to five-year-old healthy mature female epinephelus moara is selected as a female parent, and a five to six-year-old healthy mature male E. septemfasciatus is selected as a male parent; parent breeding is carried out, the female parent and the male parent are bred respectively under the conditions that the temperature of water for breeding the female epinephelus moara parent ranges from 12 DEG C to 26 DEG C, the temperature of water for breeding the male E. septemfasciatus parent ranges from 8 DEG C to 26 DEG C, the salinity ranges from 2.8 % to 3.2 %, the pH value ranges from 7.8 to 8.2, and the content of dissolved oxygen is larger than or equal to 5 mg/L; artificial insemination is carried out; hatch is carried out. According to the female epinephelus moara and male E. septemfasciatus crossbreeding method, gonads of male and female parents of two varieties mature synchronously through the technical means such as temperature regulation and nutrition regulation; a filial generation is obtained through artificial insemination, and has the excellent characteristics of the high growth rate and resistance to low temperature.

The invention relates to a breeding method for a rapid growing line of seawater pearl shells, which comprises the steps of: taking a certain population of Pinctada martensii Dunker as a basic population, firstly selecting individuals with shell width being 10-40 percent higher than average value from the basis population by taking shell width as a selection index, then selecting individuals with shell height or weight being 10-60 percent higher than average value as breeding parents, dissecting the breeding parents, taking sexual glands to conduct artificial insemination, selecting and reserving preparative parents at a young shell stage according to a proportion of 20-30 percent, and finally conducting more than three generations of continuous selection to obtain the rapid-growing large excellent Pinctada martensii Dunker line (variety). The breeding method has the advantages that the method is simple, convenient and feasible, the cost for nursing the parents can be reduced, the growth speed and the individual size of the Pinctada martensii Dunker can be effectively improved and the pearl producing effect is improved.

The invention relates to the method for Pinna pectinate autumn offspring breeding and pruning, which comprises, selecting August to September for offspring breeding, choosing the eligible parent shellfish, after 10-15 days, regulating the parent shellfish sex gland to synchronous ripening, carrying out oviposition and fertilization, and carrying out scallop larva incubation, after 13-18 days, adhering the larva to juvenile mollusk through metamorphosis, cultivating the juvenile mollusk temporarily for 10-15 days, then carrying out seedlings protectoin on the sea, breeding on the sea in November, and harvesting during September to November in the next year till the July of the third year.

The invention relates to a method for culturing river crabs by utilizing the early breeding crab larvae, in particular to a method, by which the river crabs are cultured in a pond or other water areas and become large-size commercial crabs. The method is characterized in that the method comprises the steps of (1) purchasing the early breeding crab larvae: the selection of the crab larvae purchasing date, the selection of the crab larvae quality, and the transportation of the crab larvae; (2) culturing the early culturing crab larvae: the disinfection of the culture pond, the arrangement of the escape preventing fence, fertilization, water injection to the crab larvae pond, the cultivation of water grass, the stocking of the early breeding crab larva, and the feeding of artificial food; (3) controlling the gonad development speed of crabs: the crabs getting through the summer artificially, the crabs getting through the winter and grow naturally, the stocking of the crabs, the management of the crab larvae getting through the winter, the promotion of the river crab for exuviation and growth, and the culture and the harvesting of the river crab. The crabs, the gonad of which is immature are cultured by utilizing the early breeding crab larvae produced at the beginning of December to the end of the April in the ensuing year; the growing period of the early breeding crab larvae can be prolonged, and the sexual precocity can not happen; through the artificial over-summer and the natural over-winter technologies, the early breeding crab larvae can become the crabs for the river crab culture; the crabs cultured by utilizing the early breeding crab larva can be cultured into the grown crab with the specification being 200 to 400g for each.