42results about How to "Promote domestication" patented technology

The invention discloses an artificial compound feed for perca fluviatilis. The artificial compound feed comprises the following components in percentage by weight: 8.0 to 51.5 percent of fish meal, 1.00 percent of fish oil, 1.00 percent of corn oil, 0.24 percent of choline chloride, 1.1 percent of vitamin premix, 1.9 percent of inorganic salt premix, 0.55 percent of calcium dihydrogen phosphate, 0.18 percent of lysine, 0.45 percent of methionine, 8.2 to 15.46 percent of bran, 21.2 to 26.6 percent of wheat middling, 6.01 to 12.82 percent of rapeseed dregs, 0.88 to 2.65 percent of globin powder, 14.87 to 16.79 percent of bean pulp, 10.23 to 12.47 percent of cottonseed pulp and 2.5 to 5.8 percent of yeast; and the components are puffed into a floating granular feed by a conventional method. The invention also discloses a perca fluviatilis feeding method. According to a culture mode of mainly feeding the perca fluviatilis and matching carp, bighead carp, silver carp, tincaeus, grass carp and pelteobagrus fulvidraco Richardson, the perca fluviatilis can be completely domesticated to take the compound feed in 7 to 15 days by adopting the compound feed and a unique intake domesticating method; the feed problem is solved, the water layer and the bait resource of a culture water area are fully utilized, and the growth speed and the yield of the perca fluviatilis are improved; and the compound feed can be used for large-scale culture of the perca fluviatilis.

The invention discloses a ricefield eel culture method. In two years when a young ricefield eel is cultured into an adult ricefield eel, a cement pit culture method is used in the first year, and a net cage reed culture method is used in the second year. Each young ricefield eel is caught in the wild with the weight of 60-90g, and the weight of each adult ricefield eel is 160-210g. The ricefield eel is cultured in a cement pit from May to September, is moved to be cultured in a net cage in February to March in the first year and is sold as the adult ricefield eel in November to December the next year. The cement pit consists of a plurality of small pits with the width of 4 meters, the depth of 0.9 meter and the length of 5-6 meters, a drainage sign and a water inlet sign are respectively arranged on one edge of a pool to form an opposite angle, a drainage pipe hole is provided with an escape-prevention net, and the pool wall is covered with one layer of plastic film. According to the ricefield eel culture method disclosed by the invention, the cement pit culture is carried out in the first year so as to bring convenience for observing the eating and moving situation of the ricefield eel, and acclimatization is better. The ricefield eel cultured in the cement pit has the advantages of proper size, good freshness and good oxygen dissolving performance, and only water needs to be supplemented in fixed time. If the young ricefield eel is successfully acclimatized in the cement pit, the young ricefield eel can quickly adapt and eat when being moved to the net cage, the growth period is prolonged, and the weight increment ratio is big.

The invention discloses an ecological tea garden duck breeding method. The method is a new breeding method combining the dry duck breeding technology and the tea garden management technology. Compared with the prior art, due to the fact that the dry breeding technology is adopted, the cost for digging a pond is saved, and restriction for digging the pond is avoided; meanwhile, due to the fact that ducks are easy to domesticate, the ducks can form conditioned reflex in a short time, the ducks pass through an S-shaped passageway under attraction of whistle or bell, the moving path spreads all over a tea garden, and the control effect on insets and weeds is even.

The present invention provides a transitory feed for weaning lambs. The transitory feed consists of the following raw materials in parts by weight: 300 parts of corns, 185 parts of 43% of soybean meal, 170 parts of corn bran, 80 parts of wheat middlings, 30 parts of 46% of peanut meal, 40 parts of 26% of DDGS feed, 12 parts of stone powder, 10 parts of bentonite, 15 parts of calcium hydrophosphate, 5 parts of soybean oil, 5 parts of edible salt, 6 parts of lee liquid dry matters, 1.2 parts of attractant, 3 parts of piglet multi-vitamins, 1.2 parts of ferrous sulfate monohydrate, 0.4 part of copper sulfate pentahydrate, 1.1 parts of manganese sulfate monohydrate, 1.2 parts of zinc oxide, 0.6 part of 1% of iodine, 0.12 part of 1% of selenium, 0.003 part of cobalt chloride monohydrate, 2.7 parts of monensin, 30 parts of baking soda, 30 parts of lysine and 25.3 parts of zeolite powder. The transitory feed for the weaning lambs can induce lambs' feeding desires, is convenient for domesticating the lambs, and shortens the weaning cycle of the lambs in the initial consumption of the lambs for the feed, and can ensure adequate nutrition intake of the lambs, improve lamb's resistance and decrease the illness probability of the lambs during the weaning period.

The invention relates to a method for integrally treating VOCs (Volatile Organic Chemicals)-containing waste gas by a biofilter. The method comprises the following steps: (1) mixing volcanic, activated carbon, decomposed mushroom residue and active mushroom residue, thus preparing composite filler; (2) piling and charging the composite filler onto a porous plate in the biofilter, thus forming a composite filler layer; (3) humidifying fresh air, introducing the humidified air into the biofilter, operating for 48 to 60 hours under the condition of room temperature, and completing starting; (4) humidifying the VOCs-containing waste gas, introducing the humidified VOCs-containing waste gas into the biofilter, operating for 14 to 16 hours under the condition of the room temperature, and completing acclimation; regulating the gas residence time to be 8 to 12 seconds, and continuously operating. The composite filler used in the method is not liable to collapse and compact, is long in replacement period and has good buffer ability and high stability; during treatment of the VOCs-containing waste gas, starting and acclimating periods are short, a nutrient solution requires not to be additionally inoculated and supplemented, the removal effect is good, the cost is low, the operation and maintenance are simple and convenient, and good economic benefit and good environmental benefit are obtained.

The invention discloses an aspergillus oryzae functional enzyme preparation and application thereof, and belongs to the technical field of white wine brewing. The aspergillus oryzae functional enzyme preparation is prepared by performing solid state fermentation and drying on an aspergillus oryzae strain. In the white wine brewing process, the aspergillus oryzae functional enzyme preparation is additionally added into cooked and gelatinized main raw materials to be fermented. As the aspergillus oryzae functional enzyme preparation is added to ferment the raw materials, the process is simple and controllable, the wine yield and the high-quality rate of white wine can be effectively increased, the quality of the white wine is improved, and social and economic benefits are achieved.

The invention relates to a continuous flow rising type aerobic granular sludge reactor. The aerobic granular sludge reactor comprises a water tank (1), a peristaltic pump (2), an AGSB device (3), a three-phase separator (4), a pressure-controlled water-sealed tank (5), an air blower (7) and an aeration disc (8), wherein to-be-treated sewage is introduced into a water tank (1) and is input into theAGSB device (3) through the peristaltic pump (2), aerobic granular sludge is contained in the AGSB device (3), the three-phase separator (4) is arranged at the top of the AGSB device (3) and is connected with the pressure-controlled water-sealed tank (5), and the air blower (7) is connected with the aeration disc (8) at the bottom in the AGSB device (3). Compared with the prior art, the aerobic granular sludge reactor has the advantages that the design is simple, the cost is low, and the phosphorus and nitrogen are simultaneously removed.

The invention relates to a small aerobic bacteria culture device and an aerobic bacteria culture method. The small aerobic bacteria culture device comprises a heat preservation water tank, a liquid storage bottle, a breather pipe, an exhaust pipe, a liquid injection pipe, an injector, a temperature controller, a temperature measuring probe and a heating probe, the liquid storage bottle is placed in the heat preservation water tank, a bottle plug is arranged in the opening of the liquid storage bottle, and the breather pipe, the exhaust pipe and the liquid injection pipe sequentially penetratethrough the bottle plug to extend into the liquid storage bottle; the breather pipe extends into the bottom of the liquid storage bottle; the exhaust pipe extends to the position above the liquid level of liquid in the liquid storage bottle; the liquid injection pipe extends into the position below the liquid level of the liquid in the liquid storage bottle; and the temperature controller is arranged on one side of the heat preservation water tank, the temperature controller is connected with the temperature measuring probe and the heating probe, and the temperature measuring probe and the heating probe penetrate through the side wall of the heat preservation water tank into the heat preservation water tank. The advantages that the cost is low, simpleness, convenience and practicability are achieved, and the culture environment can be controlled are achieved. According to the small aerobic bacteria culture device and the aerobic bacteria culture method, normal growth of biochemical bacteria is guaranteed through a nutrient solution and an activating agent, the acclimation time of aerobic bacteria is shortened, and the biochemical processing efficiency is improved.

The invention relates to a method for integrally treating a malodorous gas by a biofilter. The method comprises the following steps: (1) mixing volcanic, activated carbon, decomposed mushroom residueand limestone, thus preparing composite filler; (2) piling and charging the composite filler onto a porous plate in the biofilter, thus forming a composite filler layer; (3) humidifying fresh air, introducing the humidified air into the biofilter, operating for 48 to 60 hours under the condition of room temperature, and completing starting; (4) humidifying the malodorous gas, introducing the humidified malodorous gas into the biofilter, operating for 10 to 12 hours under the condition of the room temperature, and completing acclimation; regulating the gas residence time to be 14 to 18 seconds,and continuously operating. The composite filler used in the method is not liable to collapse and compact, is long in replacement period and has good buffer ability and high stability; during treatment of the malodorous gas, starting and acclimating periods are short, a nutrient solution requires not to be additionally inoculated and supplemented, the removal effect on H2S and NH3 is good, the cost is low, the operation and maintenance are simple and convenient, and good economic benefit and good environmental benefit are obtained.

The invention relates to an artificial hybrid perch and a breeding method thereof. The breeding method comprises the steps that first parent selection, parent cultivation and artificial hybridization are carried out; the first parent selection comprises selection of a first female parent and selection of a first male parent; the parent breeding comprises the step of correspondingly breeding the first female parent and the first male parent to obtain a second female parent and a second male parent; the artificial hybridization refers to artificial hybridization of the second female parent and the second male parent; female Taiwan perch is used as a first female parent; and male micropterus salmonides obtained after second-generation breeding and screening are carried out by adopting group breeding and taking body weight as a main breeding target is used as a first male parent. According to the artificial hybrid perch and the breeding method thereof, the female Taiwan perches and the male superior perches are hybridized for the first time to obtain the artificial hybridized perches, and the hybridized perches grow fast, are high in survival rate and easy to domesticate after being industrially cultivated for one month and can serve as a novel high-quality variety in the micropterus salmoides industry.

The invention relates to the technical field of modern agricultural industry and discloses flower nutrient soil suitable for surface plants. The prepared nutrient soil has a developed gap structure and has ultra-strong adsorption exchange capacity, flower metabolites are converted into nutrients, and the nutrient soil is capable of accumulating a large number of nutrients due to the structural property and is beneficial to the growth of microorganisms in soil; an effective carbon source is provided, so that the loss of nutrient content in shallow soil is prevented; and by virtue of the gap structure, rapid transmission of nutrients is promoted, and the organic matters and the mineral content around roots are increased, so that the growth vigor of flowers is enhanced, and rooting and flowering are promoted. According to the nutrient soil, the growth vigor of surface flowers is remarkably enhanced, the market prospects and economic values of the surface flowers are expanded and increased, the practical significance of the surface flowers on the biological adaptation and well naturalization under environmental conditions and nutritional utilization of soil can be realized, and the nutrient soil is a technical scheme worthy of being widely popularized and used.

The invention relates to the technical field of wild boar breeding, in particular to an artificial domestication method of wild boars. The method comprises the steps of breeding environment control, hygiene and epidemic prevention and feeding. A breeding environment comprises an inner ring and an outer ring, the inner ring is required to be dark and soundproof so that the wild boars can conveniently have a rest, and the outer ring is required to be bright and spacious to be suitable for the wild boars to conveniently move. Hygiene and epidemic prevention includes the steps that an insect repellant is used for repelling insects on the wild boars, and a vaccine is given to each wild boar in the first seven days of wild boar domestication. Feeding includes the step that coarse fodder is usedfor feeding the wild boars in the first week, so that the eating habit of the wild boars is consistent with that in the wild. The artificial domestication method of the wild boars is simple and convenient to use, the survival rate of the wild boars domesticated through the method is 100%, the disability rate is 10%, the morbidity rate is 6.67%, the mating rate is 100%, and the method has importantsignificance in promoting development of the special wild boar market industry.

The invention relates to a flat sheet membrane bioreactor which comprises an anaerobic pool, an aerobic pool and a membrane component which are sequentially connected, a water inlet is formed in the anaerobic pool, a stirring shaft is vertically arranged in the anaerobic pool, a plurality of stirring paddles are arranged on the stirring shaft at intervals, the lower end of the stirring shaft extends to the bottom part of the anaerobic pool, a plurality of sections of spiral channels are arranged on the inner wall of the anaerobic pool at intervals from top to bottom, each spiral channel is formed by encircling and splicing a plurality of spiral blades fixed on the inner wall of the anaerobic pool, each spiral channel is provided with a penetrating channel for holding the stirring paddle, a filter screen is coated at the periphery of the membrane component, the mesh number of the filter screen is 30-50, the bore diameter of the filter screen is 0.4-0.5mm, and a return passage is arranged between the anaerobic pool and the aerobic pool. The flat sheet membrane bioreactor is simple in structure and high in production rate.

The invention provides an application of a substance regulating and controlling an OaGS3 gene to regulating and controlling the yield/grain length of tetraploid wild rice. The specific embodiment of the invention proves that the grain length can be increased by editing the gene OaGS3, so that the tetraploid wild rice with higher yield is bred, and domestication and utilization of the tetraploid wild rice are promoted.

The invention provides a system for accumulating nitrite nitrogen in a partial nitrification process. The system comprises a stirring type upflow reactor, a settling tank, a water quality monitoring device, an aeration device and an acid-alkali adjusting device, wherein the stirring type upflow reactor is a cylindrical reactor with a high-diameter ratio of 10 to 15, and a stirring device is arranged in the cylindrical reactor; the aeration device comprises a surface-layer aeration head and an air pump, the surface-layer aeration head is arranged at the top of the stirring type upflow reactor,and the air pump is connected with the surface-layer aeration head through an air pipe; and the water quality monitoring device comprises a pH probe, a dissolved oxygen probe, an oxidation-reduction potential probe and a digital water-quality analyzer, and the digital water-quality analyzer is electrically connected with each probe. The invention further provides a method for accumulating nitritenitrogen by virtue of the system. The system is simple in structure, low in input cost, simple and convenient to operate, high in process stability and suitable for being popularized and applied.