44 results about "Opossum" patented technology

A method for improving the current-year small-specification fingerling overwintering survival rate of fugu obscurus is composed of four production steps which are small-specification fingerling concentrated breeding, temporary culture adaptation, forced domestication and reinforced cultivation. The method is characterized by comprising the steps of placing small-specification thin fingerlings which are yellow in body color in the current year in an indoor cement pool in a concentrated mode ahead of time in the last ten days of October prior to grinding wheel when the water temperature is 20 DEG C, feeding fresh and live opossum shrimp or exopalaemon carinicauda during an adaptation period of 2-3 days for the small-specification fingerlings just subjected to concentrated breeding, starting forced domestication with matched feed after stopping feeding the fresh and live baits for 2-3 days, continuing the domestication for 7-10 days, feeding twice per day during the reinforced cultivation period, sucking the bottom to discharge dirt per day with the feeding for 2 hours as the standard, keeping water quality fresh, adopting circulating water or replacing the water twice per week, replacing 2/3 of water each time, maintaining the water temperature at over 15 DEG C, and adopting a fugu obscurus conventional method to overwinter after continuing the reinforced cultivation for 18-22 days.

The invention relates to health care shrimp paste and a preparation method of the health care shrimp paste and belongs to the technical field of food processing. Health care shrimp paste is prepared from the following raw materials in parts by weight: 50-80 parts of opossum shrimp, 12-18 parts of table salt, 15-20 parts of colza oil, 5-8 parts of white sugar, 5-8 parts of sauce, 8-18 parts of liquor, 3-5 parts of ginger powder, 5-8 parts of fructus hippophae, 12-15 parts of wolfberry, 3-8 parts of fructus chaenomelis, 2-4 parts of rhodiola rosea, 1-3 parts of cuscuta chinensis, 1-5 parts of gorgon fruit, 2-5 parts of purslane, 2-4 parts of radix aucklandiae, 1-3 parts of myrobalan, 3-6 parts of astragalus mongholicus and 20-25 parts of white sesame seed. The health care shrimp paste has rich nutritive elements such as protein, calcium, ferrum, selenium and vitamin A; by addition of fruits rich in vitamin C and a part of traditional Chinese medicinal materials, synthesis of nitrite can be prevented; a nutrient content of the shrimp paste is increased; and the health care shrimp paste is suitable for people of all ages.

The invention discloses a method for cultivating high-quality and high-yield young penaeus vannamei. The method comprises the steps of carrying out temporary culture, maturity promoting culture and propagation on parent penaeus vannamei, performing collection and culture on healthy nauplii, performing healthy culture of flea-like larvae, opossum shrimps and young penaeus vannamei, and performing control of environmental factors, management of a breeding process and the like. By screening high-quality parent shrimps and regulating and controlling nutrition in the maturity promoting process, gonads of the parent shrimps develop well, so that the mating rate and the hatching rate of fertilized eggs are increased. Through strict disinfection of water for seedling culture and ecological regulation and control of nutrition and water quality of larvae in all stages, breeding culture conditions are optimized, antibiotic drugs are not used in the breeding culture process, and the cultured larvae are high in stress resistance and grow fast.

The invention relates to a technology for cultivating Yangtze river coiliaectenes fingerlings of the same year in a brackish water pond, which is characterized by comprising the following steps of: selecting a water pond in an estuary region, adding natural brackish water with a salinity of 5-15 percent, carrying out bait biological inoculation at a water temperature of 25-30 DEG C and putting the fingerlings after the biomass in the pond achieves 20-40 baits/L; carrying out salinity increasing transition before the fingerlings are put into the pond, so that a difference between the salinity of water in an indoor cement pond and the salinity of the water in the pond does not exceed 0.2 percent; turning on an aerator before the fingerlings are put into the pond and ensuring that the water temperature and the salinity in a fish fry oxygen bag are close to those in the pond when the fingerlings are put, the specification of each fingerling put is 5-7 cm in full length, and the stocking density is 1,500-20,000 fingerlings/mu; turning on the aerator in advance before opossum shrimps are inoculated, wherein the aerator is turned on for 1 hour at noon in a fine day and for 5-8 hours at night; replacing 1/3 of water semimonthly in summer and replacing 1/3 of water monthly in autumn; timely supplementing when the biological density is lower than 1 bait/L and catching at a water temperature of 6-8 DEG C in winter, wherein the weight of coiliaectenes is 2.5-3.5 g, and the full length is 10-12 cm.

An optical imaging method based on a feedback principle in which the specific scan pattern is adapted according to the shape of the sample. The feedback approach produces nanometer-resolved three dimensional images of very small and moving features in live cells and in a matter of seconds. Images of microvilli in live cultured opossum kidney cells expressing NaPi co-transporter proteins with different GFP constructs and images of cell protrusions in a collagen matrix are produced with a resolution of about 20 nm. Along cell protrusions in three dimensional cellular adhesions could be identified to the extracellular matrix.

The invention discloses a compound feed for an early growth stage of epia lycidas. The compound feed is prepared from the following raw material components by weight: 42.0kg of white fish meal, 22.0kg of bean pulp, 5.0kg of krill meal, 5.4kg of dextrin, 12.0kg of alpha-starch, 4.1kg of fish oil, 2.0kg of soya bean lecithin, 5.0 kg of gelatin, 0.5kg of choline chloride, 0.5 kg of monocalcium phosphate, 1.0 kg of composite vitamin and 0.5 kg of composite minerals. The compound feed can be used for solving the problems that a special compound feed is not provided for artificially breeding the epia lycidas at present, especially, the breeding cost is high, the parva and the like are mostly settled as opossum shrimps, parva and frozen small trashes are needed to feed at the early growth stage of epia lycidas, and the pollution degree to water is high, so that the survival rate which can be over 67% of the epia lycidas is increased.

The invention discloses a method for breeding clownfish in a subtropical zone. The method comprises a daily breeding method and a reproduction period breeding method. The daily breeding method comprises the following steps that firstly, breeding water is prepared, wherein the temperature is 25-27 DEG C, the salinity is 29-31%o, and the pH value is 7.6-8.4; secondly, a breeding environment is prepared, wherein sea anemone or corallite is placed in the water, and sufficient light is guaranteed; thirdly, bait is prepared, wherein the bait comprises shrimp meat, Spanish mackerel meat, opossum shrimps or brine shrimps, and the bait is used for feeding the clownfish in a matched mode. The reproduction period breeding method comprises the steps that objects are placed in the water to provide attachment points for fish eggs, and the light shielding state is guaranteed; parent fishes are selected, wherein the largest one in a population is a female, and strong individuals with more contact withthe female are selected as males; bait is prepared, wherein the bait comprises shrimp meat, Spanish mackerel meat, opossum shrimps or brine shrimps, and the bait is used for feeding the clownfish ina matched mode. The clownfish breeding method suitable for the subtropical zone is formed, and the survival rate and reproduction rate of the clownfish are increased.

The invention provides a method for parent raising and training and in-advance fry emergence of sepia esculenta. The method includes the steps of raising and training pond selection and modification,hatching pond selection and modification, palaemon carinicauda autonomous breeding, parent selection and stocking, ovum collecting, fertilized ovum temporary raising and concentrated hatching, opossumshrimp autonomous breeding and young sepia esculenta culture. An shrimp and crab fry culturing workshop and an available breeding earthen pond in autumn and winter are sufficiently utilized, the source of parents during artificial culturing of sepia esculenta is limited, the ecological complementation between the parents of sepia esculenta and palaemon carinicauda, young sepia esculenta and opossum shrimps is used for conducting parent raising and training and young sepia esculenta culturing, a hatching pond can meet the demand of fertilized ovum hatching for water quality, and technical operation is easy. The breeding and growing capacity of the palaemon carinicauda and opossum shrimps is quite high, continuous breeding can be realized in the whole year, the demand of the parents of thesepia esculenta and the young sepia esculenta for live baits is met, the targets of high yield, high efficiency and environmental protection are realized, and sufficient fry can be provided when breeding is conducted in the sepia esculenta pond.

The invention provides a bait domestication method for young sea horses. The bait domestication method comprises the four steps of preparation of a breeding pond, ecological construction of a domestication pond, installation of domestication equipment and management in the domestication period. 5 days before the juvenile sea horses enter the culture pond, the culture pond is prepared, a culture net cage and a bait table are placed, scatophagus argus and horseshoe shells are put into the culture pond, and 0.3-0.5 ppm of shrimp slices are poured into the culture pond every day until the water body is tawny. After the breeding ecology is constructed, feeding the young sea horses three times a day according to the standard that 200 young sea horses are fed into each breeding net cage, feeding the young sea horses in a satiation mode, and thoroughly cleaning a bait table 1.5 h after feeding each time. And domesticating for about 5 days until the hippocampus can actively eat opossum shrimps on the bait platform, and after domestication is finished, transferring the hippocampus into a culture pond for culture. According to the method for domesticating the ecological sea horse bait, an ecological breeding system is constructed, the breeding water body is stable, the domestication efficiency is high, water is saved, and the labor cost is reduced.

The invention discloses a raising method for reducing melanism and albinism of paralichthys olivaceus larvae, and belongs to the field of aquaculture. According to the method, paralichthys olivaceus larvae at different age is fed with different animal living-body baits, wherein paralichthys olivaceus larvae at the age of 1-15 days is mainly fed with oyster larvae and rotifers with the quantity ratio of 1:4, paralichthys olivaceus larvae at the age of 15-45 days is fed with copepoda, and paralichthys olivaceus larvae at the age of 45-60 days is fed with opossum shrimps; the raising environment conditions are close to the natural conditions to the maximum degree and keep stable, so that paralichthys olivaceus can stably grow under the optimal environment; the baits for feeding are all living-body baits without nutrition enrichment, the loss of nutrition during the enrichment of the living-body baits is avoided, the conversion efficiency of the nutrition is improved, and the feeding cost is saved. Through the combined effect of the environmental conditions and the nutrition of the living-body baits, not only is the normal growth of paralichthys olivaceus larvae ensured, but also the melanism and albinism rate can be reduced to 5% or below compared with 45-50% in conventional raising methods.

The invention relates to a large-scale culture method for hippocampus erectus in a pond. By means of the method, pond copepods and opossum shrimps are used as hippocampus baits at the same time, and the pond copepods and opossum shrimps are combined, so that the hippocampus culture bait cost can be reduced by 80%, the labor cost can be reduced by 50%, large-scale capital construction is not needed, and the hippocampus erectus culture benefit is greatly improved.

The invention discloses an aquaculture method of an ecological food chain of an intensive circulating aquaculture system. The aquaculture method mainly comprises the steps: firstly, adding a certain amount of microbial preparation into a culture pond; then, adding opossum shrimps and conical snails into a biological purification pond; and finally, cancelling an ultraviolet disinfection device so that residual feeds and faeces 1, nitrobacteria 2, opossum shrimps and conical snails 3 and fishes 4 in an aquaculture process form a stable ecological food chain of the aquaculture system. By using the method, the conflict between aquaculture and disinfection is solved from production, a most natural artificial aquaculture system is provided for aquaculture varieties, and the artificial ecologicalization of an aquaculture water body is realized.

The invention provides a breeding and seedling raising method for hippocampus abdominalis which comprises the following steps: S1, a breeding pond and a seedling raising pond are arranged, and according to the breeding pond, the water temperature is 13.0-20.2 DEG C, the salinity is 30-32, the pH value is 7.8-8.4, the daily water change amount is 100%-300%, the dissolved oxygen is 5-10 mg/L, and the illuminance is 1000-5000 lx; according to the seedling raising pond, the water temperature is 14.0-20.2 DEG C, the salinity is 30-32, the pH value is 7.8-8.4, the daily water change amount is 50-100%, the dissolved oxygen is 5-10 mg/L, and the illuminance is 1000-5000 lx; S2, parent fishes are put into the breeding pond, wherein the female-male ratio is (1.5: 1)-(1: 1.5); opossum shrimps are fed once in the morning and afternoon every day, and living copepods are fed after the opossum shrimps are fed in the afternoon every day; S3, after the parent fishes lay fry, the fry are fished out and put into the seedling raising pond, and the breeding density is 0.125-0.5 per L; before the full length of the fry is 5 cm, live copepods are fed four times a day; the overall length of the fry is 5-8 cm, live copepods and frozen copepods are fed, and feeding is conducted three times a day; and after the total length is 8 cm, frozen opossum shrimps are fed twice a day. The method is high in hippocampus abdominalis breeding rate, high in fry breeding survival rate and high in fry growth speed.