637results about How to "Improve fertilization rate" patented technology

The invention provides a high efficiency livestock and poultry nutrition replenisher and a preparation method thereof, and the nutrition replenisher contains various vitamins, amino acids and electrolyte. Simultaneously, the multi-stage premixing process is adopted by the high efficiency livestock and poultry nutrition replenisher, so that the high mixing uniformity of ultra-trace elements can beensured; and furthermore, sanguinarine is introduced into drinking water nutrition replenisher and is processed by peridium treatment, and emulsification treatment is carried out on liposoluble vitamins, so that good water-solubility can be guaranteed. The high efficiency livestock and poultry nutrition replenisher has comprehensive nutrition, leads all nutrient components to be supplemented witheach other, can effectively prevent deficiency of the vitamins and the amino acids, maintains electrolyte balance, regulates the metabolism of organism, improves the feed conversion rate and the anti-stress capability, stimulates the immune function, reduces the occurrence of diseases, and has remarkable economic and social benefits as well as broad market prospect.

The invention discloses a breeding method of the loach, which can be used for improving the spawning expediting rate and the fertilization rate of the loach and the livability of the loach seedlings. The breeding method of the load comprises the steps of: a. respectively breeding the male loach and the female loach a half month before spawning expediting; b. adding a biological odinagogue into forage one week before spawning expediting, wherein the biological odinagogue specifically comprises 15-20g of Chinese angelica, ligusticum wallichii, folium artemisiae argyi, andrographis paniculata, rehmanniae vaporata and compound vitamins respectively, and the adding quantity is that 5-10g of the biological odinagogue is added into each kilogram of the forage, and continuously feeding the forage which is added with the biological odinagogue for 7 days; and c. making sets according to the proportion that the ratio of the female loach to the male loach is 1:1.5, and injecting 100-150 international units of HCG (human chorionic gonadotropin) into each loach. The breeding method has the beneficial effects that the female loach and the male loach are synchronously estrous after the breeding method is used, so that the spawning expediting rate and the fertilization rate of the loach are greatly improved. After a preferable mode of the breeding method is adopted, the cost can be reduced when the seedlings are bred, and the bait with an enough quantity can be timely provided, so that the livability of the loach seedling is guaranteed, and the large-scale production is realized.

The invention relates to a totally artificial breeding method for Coilia ectenes, belonging to the technical field of fish culture. The method is characterized by comprising the following process steps of parent fish source; parent fish select breeding comprising standing / flowing water combined reinforced breeding; artificial induced spawning measure comprising parent fish selection, semen collection, dug roe inspection, induced spawning water temperature confirmation, parent fish matching, hormone injection, artificial insemination and the like; microflow water incubating; and summer flower and fish fry breeding. The invention promotes the parent fish sex gland to grow to maturity and ovulate by measures of reinforcing parent fish nutrition reinforced breeding, feeding hormone, flowing water stimulating and regulating and the like and normalizes the artificial induced spawning and insemination process, originally creates a simple flowing water incubating device of a pelagic egg and reinforces the management and ecological regulation of incubation period, thereby effectively solving the technical problems of artificially breeding Coilia ectenes. The induced spawning rate of artificial breeding is 33 percent, the fertilization rate is 48 percent and the hatching rate is 44 percent.

The present invention relates to giant salamander aquiculture method and apparatus in simulated habitat. Giant salamander is hatched and cultured in a simulated habitat with proper natural geographic condition, overshadowed and water flowing environment established according to the characteristics of giant salamander in different growth stages, including oviposition, hatching, infant giant salamander, adult giant salamander, etc. During oviposition and hatching, spawning inducing medicine and hatching liquid in proper amount are adopted separately. The present invention is favorable to raising the propagation rate of giant salamander and promoting the growth of giant salamander.

Disclosed is a simulative original ecology breeding method for giant salamanders. The original ecology breeding method comprises: 1) simulative original ecology breeding pool building: the length of a simulative original ecology breeding pool is usually between 30 meters and 50 meters, the width is between 0.8 meter and 1.5 meters, and the pool depth is in a range of 0.4 meter to 0.6 meter; 2) simulative original ecology breeding cave building: the length, width and height of the cave opening is in a range of 20cm to 30cm, the cave length is between 0.8 meter and 1.2 meters, the width is between 0.8 meter and 1 meter, and the height is between 0.3 meter and 0.4 meter; and 3) giant salamander parent breeding. The simulative original ecology breeding method has the advantages that the simulative original ecology breeding is not only large in spawning amount and high in fertility rate, but also high in hatchability. The average young salamander birthing amount of each pair of giant salamander parents is between 800 and 2000. The natural spawning fertilization and hatching time of simulative original ecology breeding is as long as 108 days, and the number of the birthed fry is 1500.

The invention relates to a culturing method capable of improving egg hatching rate and chick immunity. The culturing method comprises steps of (A) selecting seeds and preparing seeds, (B) collecting and sieving hatching eggs and make preparation before hatching, (C) hatching eggs under light condition, (D) breeding chicks in a greenhouse under light condition, (E) managing young chick without heat supply under the light condition, and (F) breeding children with a method of combining stocking and supplementary feeding in a natural forest land. Compared with the prior art, the culturing method is simple and convenient to operate, requires less investment and has obvious economic effects; fertility rate, oviposition quality and quality of to-be-hatched eggs can be improved during chick culturing, so hatching rate and young chick survival rate can be improved; young chick growth and development can be promoted, immunity of chicks can be improved and chick culturing survival rate can be guaranteed; free range chicks with tender meat quality, fresh taste and high nutrient value as well as meeting green food standards can be achieved; and the chicken and eggs produced by the culturing method are advantaged by high protein, high vitamin, low cholesterol and low fat.

The invention relates to a breeding method for parent fishes, particularly to a breeding method for goldfishes. The breeding method comprises the following five stages: (1) managing of the parent fish breeding environment; (2) selecting of parent fish seedlings; (3) managing of parent fishes awaiting delivery; (4) artificial hatching of fish eggs; (5) breeding of fish seedlings. By stagedbreeding of the fish seedlings and reasonablymanaging of the parent fish breeding environment, female parent fishes easy to be fertilized and to lay fish eggs are selected; in combination with artificial fertilization, female parent fishes are guaranteed to be high in fertilization rate and pure in fish seedlings; by adopting fish nests to hatch fish eggs, the developmental state of fish eggs is easy to observe, breeding is advanced, the survival rate of fish eggs is improved, the development temperature of fish eggs is easy to control in the hatching period, the fish nests are fast in temperature rising, water consumption is less, whether fertilized eggs are good or not is easy to distinguish, the hatching rate of goldfishes is greatly improved, and the yield of seedlings is improved.

The invention relates to an artificial propagation method of fry of paracobitis variegatus. The artificial propagation method comprises the steps of parent fish rearing, parent fish selection and mating, artificial spawning, fertilization, oosperm hatching, larva fish temporary rearing and fry rearing. The artificial reproduction technology of the paracobitis variegates is successfully summarized in the artificial propagation method, and the artificial propagation method fills the blank of the technology. By adopting and popularizing the artificial propagation method having been successfully studied out, the fry of the paracobitis variegatus can be obtained in batches in a centralized mode, the spawning rate, the fertilization rate and the hatching rate are high, and large-scale production of the paracobitis variegatus can be easily achieved. Thus, the artificial propagation method has great significance on protection and large-scale rearing of the paracobitis variegatus wild resources.

The invention discloses a method for modifying hybrid matching strains of Sansui duck. The method includes firstly, selecting breeding female and male ducks; secondly, feeding the breeding female and male ducks; thirdly, establishing and managing a feeding area; fourthly, hybridizing; and fifthly, feeding in the laying stage. By optimized purification and hybridization, genetic stability of fine characters of the Sansui duck such as meat quality and the like is improved, and growth speed and feed reward of the Sansui duck are increased. The strains are established and are propagated, and accordingly the related contradiction between low growth speed and meat quality is overcome. Hybridization experiments are performed, hybrid vigor of the Sansui duck is taken advantage, the strains are selected and bred selectively, and breeding value of the Sansui duck is increased. By strain selection and selective breeding, feeding management condition improvement and the like, fertilizing rate andhatching rate are increased, breeding egg quality is improved while reproduction rate is increased, and disease resistance of Sansui duck is improved. The method is applicable to strain modification for Sansui duck.

The invention discloses a method for quickly establishing an improved breeding system of YY super-male pelteobagrus fulvidraco. The method mainly includes the first step of screening pelteobagrus fulvidraco wild male parents, the second step of carrying out wild parent germplasm resource evaluation on the pelteobagrus fulvidraco, the third step of establishing YY female and YY male basic breeding population through mating with existing YY males, the fourth step of carrying out breeding on the YY female and YY male basic breeding population, the fifth step of carrying out test mating verification on the YY females and the YY males, the sixth step of carrying out quick population expansion on the improved breeding system of the YY female super-male pelteobagrus fulvidraco and establishing the improved breeding system of the YY female super-male pelteobagrus fulvidraco, and the last step of repeating the sixth step, so the improved breeding system can be established. According to the method, genetic diversities of the super-male pelteobagrus fulvidraco are increased, the rate of fertilization, and the incubation rate and the survival rate are improved; meanwhile, the breeding time is shortened, batch breeding can be achieved, the YY female super-male pelteobagrus fulvidraco and XY male fishes with improved characters can be produced in a large-scale mode, the yield can be improved greatly, and economic benefits can be increased.

The invention provides a nutritional enhancer for pigs and poultry, and belongs to the technical field of feed additives. The nutritional enhancer comprises the following main components: trace elements, vitamins, amino acids and enzyme preparations. The nutritional enhancer provided by the invention not only outstandingly enhances the production property of animals, but also obviously reduces the morbidity of the animals and enhances the disease resistant capacity of the animals; the nutritional enhancer provided by the invention increases the laying rate, egg weight and eggshell quality of laying hens, prolongs the peak of egg laying, increases the fertilization rate, hatchability, healthy chick rate and production capacity of breeding hens, enhances the nutrition of the broiler chickens, can enable he genetic potential of the poultry to be exerted to the greatest extent, reduces the material-meat ratio and increases the weight increasing speed of broiler chicken; and the nutritional enhancer also enhances the nutrition of weanling pigs, increases the daily gain, reduces the diarrhea rate, reduces the morbidity, enhances the resistance and shortens the slaughter period and can be used for the health of the perinatal period of sows.

The invention relates to a feed for egg breeding cocks. The feed consists of the following components in parts by weight: 220-260 parts of calcium hydrophosphate, 200-260 parts of rock flour, 50-60 parts of salt, 2-6 parts of betaine, 18-20 parts of choline, 40-45 parts of compound trace elements, 10-12 parts of compound vitamin, 25-30 parts of methionine, 300-420 parts of medical stone, 0.5-1 part of yeast chromium, 1-3 parts of bacillus subtilis, 1-3 parts of phytase and 2-5 parts of complex enzyme preparation. In the invention, nutritive additives and the like are added in the feed, thus producing the feed for egg breeding cocks; and the feed for egg breeding cocks can improve the semen volume and quality of the cocks so as to improve the fertilization rate, thus enhancing the benefit of poultry farms.

The invention provides an artificial breeding method of schizothorax waltoni. The artificial breeding method includes following steps: 1), domesticating wild schizothorax waltoni to obtain a reproduction parent fish; 2), injecting the reproduction parent fish with oxytocin composed of chorionic gonadotropin, luteinizing hormone-releasing hormone analogue and domperidone in two times for artificialspawning induction to obtain fertilized eggs; 3), adopting microflow water of 10-15 DEG C to artificially incubate the fertilized eggs to obtain schizothorax waltoni fries; 4), putting the schizothorax waltoni fries into a pond, and starting to feed food 10 days after the fries are hatched until the fries grow well to obtain schizothorax waltoni. Oxytocin is injected by means of injection in twotimes, injection dosage of each time is controlled strictly, well developed eggs and seminal fluid can be obtained, and fertilized egg incubating conditions are controlled, so that induced spawning rate of schizothorax waltoni is higher than 75%, fertilization rate is higher than 90%, hatching rate is higher than 85%, large-scale artificial breeding of schizothorax waltoni is realized, and the resource is protected effectively.