79 results about "Stocking" patented technology

A method for cultivating Paramisgurnus dabryanus with a standardized rice field relates to the technical field of aquaculture. The method comprises the following steps: selecting a Paramisgurnus dabryanus cultivating rice field, building facility, preparing for stocking of young Paramisgurnus dabryanus, determining stocking density, cultivating, managing, feeding, preventing predator, catching Paramisgurnus dabryanus, and transporting. The method has the advantages that the method fully utilizes the production resources, no special equipment is needed, no cultivation pollution is generated, the cultivating technology is standardized, the feeding is scientific and standardized, the technology is ingenious, the quality of aquaculture is improved to a great extent, and the benefit is increased.

The invention supplies grass series material dry process stocking method. It includes the following steps: using hammer crusher to process the grass series material; dust collecting; sieving. The invention inducts manner crusher in dry process stock to match the process, which can shorten steam boiling time, liquor dosage, greatly increase slurry quality and yield.

The invention discloses a stocking and mating method for a fish and shrimp group, comprising the following steps of: acquiring a selection index; sequentially selecting a certain amount of families from high family selection index to low family selection index as stocking families under a limited consanguinity coefficient; selecting male parent / female parent families and paired female parent / male parent families from the stocking family according to the sequence from the high family selection index to the low family selection index; and mating each male parent with corresponding female parent according to the sequence from high individual selection index to low individual selection index, creating male parent / female parent family mating groups, and form the next generation breeding group by all the mating groups. According to the stocking and mating method disclosed by the invention, a stocking and mating process of a breeding group is controlled according to the selection index and the consanguinity coefficient, and genetic progress of target character is effectively improved.

The invention relates to a comprehensive ecological planting and breeding method for crayfishes, soft-shelled turtles, fishes and ducks in a rice field, and belongs to the technical field of agricultural breeding and planting. The comprehensive ecological planting and breeding method comprises four stages of rice field preparation, rice field fish and crayfish polyculture, rice, soft-shelled turtle and fish co-culture and rice harvesting and duck stocking. In the first stage, an annular ditch is dug around the rice field, and a fish collecting pit is formed in one side of the annular ditch; food tables are uniformly distributed in the annular groove; anti-escape walls are arranged on the periphery of the rice field on the outer side of the annular ditch; a surrounding net is arranged on the periphery of the fish collecting pit; then cleaning and disinfecting, aquatic plant transplanting, and water fertilizing are carried out; and then breeding operation is carried out from the second stage to the fourth stage. According to the comprehensive ecological planting and breeding method for the crayfishes, the soft-shelled turtles, the fishes and the ducks in the rice field, the space-time resources of the rice field are fully utilized, produced agricultural products are diversified, the space-time resources of the rice field in the next half year are fully utilized on the basis of rice and the crayfishes, the yield of high-quality agricultural products such as soft-shelled turtles, fishes and ducks is increased, and the economic benefit is 2-3 times that of an original rice and crayfish planting and breeding mode.

The invention discloses an ecological breeding method capable of improving yield of acrobrachium nipponense. The ecological breeding method capable of improving the yield of the acrobrachium nipponense comprises the following steps: (1) selecting a pond; (2) performing pretreatment on the selected pond; (3) cultivating aquatic plants; (4) carrying out preparation before stocking; (5) carrying outstocking of acrobrachium nipponense fries and fishes used for mixed breeding; (6) carrying out bait feeding; (7) regulating and controlling water quality; (8) carrying out aquatic plant conservation;and (9) carrying out fishing. The ecological breeding method capable of improving the yield of the acrobrachium nipponense provided by the invention adopts a breeding mode of two batches a year; and moreover, the techniques of pond clearing, shrimp nest setting, bait feeding, water quality control and density control in the breeding process are separately improved, so that the problems of damagesto the aquatic plants and the fishes used for the mixed breeding caused by pond clearing before stocking of the acrobrachium nipponense fries in autumn, poor concealment and low space utilization rateof artificial shrimp nests, unable meeting of needs of the acrobrachium nipponense in different growth stages by feeding and water quality control measures, culture resource competition between cultured acrobrachium nipponense and second-generation offspring of the acrobrachium nipponense and the like in the prior art are solved; and thus, the method is beneficial for improving the yield of the acrobrachium nipponense, increasing comprehensive economic benefits, as well as promoting healthy and sustainable development of the acrobrachium nipponense breeding industry.

The invention provides an ecological anti-seepage partition method for a surface layer of a stocking body, and the method comprises the following steps of: preparing a filling material; filling a gap on the surface layer: jetting the filling material into the gap on the surface layer of the stocking body, so that an ecological filling layer is formed; preparing an anti-seepage partition material; and carrying out anti-seepage partition on the surface layer: evenly jetting and absorbing the anti-seepage partition material on the surface layer of the filled stocking body, so that a flexible anti-seepage partition layer can be formed. The anti-seepage partition method for the surface layer of the acid metal mine solid waste stock dump provided by the invention can be used for ecologically filling and sealing the surface layer of the stocking body, adjusting the pH value of the substance on the surface layer of the stocking body by adding alkaline substances, building a semi-permanent flexible anti-seepage partition layer, effectively reducing the leaching function of the falling water to the solid waste toxic and harmful substance, reducing the risk of secondary pollution, and providing a good base for the follow-up environmental pollution improvement and vegetation recovery.

The invention discloses an overwintering farming method of spotted maigre, which utilizes the idle phase of a shed after farming prawns and original facilitates and belongs to the field of agricultural seawater farming. An original cement pit, the shed and an oxygenation device of the farming shed are utilized; and the specific method comprises the following steps of: clearing pollutants after the end of farming, containing 60cm of water, disinfecting with 100ppm of bleaching powder, draining after 3 days, and air-drying for 3 days; enabling farming water to precipitate in a storage lagoon for 48 hours, disinfecting with the 100ppm of the bleaching powder, filtering by an 80-mesh silk cover after 3 days, pumping into the cement pit of the shed, and adding the water till the water level is 2.0m; when the temperature of the farming water of the spotted maigre is lower than 12 DEG C, transporting the spotted maigre into the shed for stocking, wherein the stocking density is 500kg / mu; and taking iced squid as baits, and feeding in fixed points in a timing and quantitative manner, wherein the feeding quantity is 1% of the total body weight of the farmed spotted maigre. Simultaneously, bay scallops are stocked in the pit according to the density of 100kg / mu, pollution discharge is performed once every 5 days, and 20cm of the water is replaced; and by adopting the method, the survival rate is above 98%, and the using method is simple, convenient, low in cost and easy to popularize.

The invention discloses an assessment method for reasonable stocking of reservoir filter-feeding fishes. The assessment method comprises the steps of sample collection, sample treatment and determination, biomass calculation, reservoir natural fish productivity estimation and reasonable stocking amount assessment of filter-feeding bighead carps and silver carps. According to the evaluation method,on the basis of bait organism resources such as reservoir area plankton and organic debris, the stocking amount of the filter-feeding fishes is evaluated by calculating the annual production yield, and efficient and reasonable utilization of reservoir fishery is achieved while the water environment is well protected.

The invention discloses a rice and crayfish rotation ecological breeding method. The method comprises the following steps of 101, field transformation, 102, irrigation, 103, aquatic plant planting, 104, crayfish fry stocking, 105, water level control, 106, adult crayfish fishing, 107, rice planting and 108, rice harvesting. According to the symbiotic complementation principle between animals and plants, a substance circulation system in the nature is utilized, rice serves as a main part through a corresponding planting and breeding technology, and the problems that in an existing rice and crayfish symbiotic technology, crayfish and rice compete for land, the variety is degenerated, and the quality is reduced are solved.

The invention provides a three-stage cultivation method for improving the mating rate of parent sebastes schlegelii. The three-stage cultivation method comprises the steps that 1, an indoor industrialaquaculture period is carried out; 2, an outdoor pond net cage temporary culture mating period is carried out; and 3, an indoor industrial natural overwintering cultivation and prenatal strengtheningcultivation period is carried out. According to the three-stage cultivation method for improving the mating rate of the parent sebastes schlegelii, three-stage cultivation including the indoor industrial aquaculture period, the outdoor pond net cage temporary culture mating period and the indoor industrial overwintering and prenatal strengthening cultivation period is carried out, especially in the outdoor pond net cage temporary culture mating period, water quality environmental conditions such as water temperature of a pond similar to that and a sea area in the critical mating period in October and November are fully utilized, and measures are taken from the technical links of male and female stocking ratio, water temperature change monitoring, illumination control, shelter setting, bait feeding and the like, so that the mating rate of the parent sebastes schlegelii is increased, and experiments verify that the mating rate of female parent sebastes schlegeli can reach 84.0% or abovethrough the method.

The invention relates to a process method for breeding field snails in a rice field. The process method mainly comprises the steps of rice field transformation, mesh sheet laying, rice seedling transplanting and breeder field-snail stocking, feeding and management, and capturing and harvesting. According to the invention, innovative process design transformation is conducted on the rice field, andthe main improvement points are as follows: the whole rice field is transformed into a shape with high middle and low periphery; a deep ditch is dug in the inner side of a field foundation; and a layer of mesh sheets is laid at the bottom of the ditch to facilitate capturing the field snails. Through transformation, a common rice field can be transformed into a high-yield and high-efficiency riceand field-snail comprehensive planting and breeding field. Compared with a common comprehensive planting and breeding field, the rice and field-snail comprehensive planting and breeding field provided by the invention has the following advantages: the water-retaining and breed-preserving overwintering functions are achieved; feeding is convenient; stocking and capturing labor cost is saved; the capturing rate is greatly increased; the casualty rate is reduced; etc.; and thus, the rice and filed snail comprehensive planting and breeding yield and benefits are significantly increased.