18results about How to "Increase weight gain" patented technology

The invention provides a culture method for improving immunity of fishes. The culture method comprises the following steps: S1, selection of culture points; S2, specification and layout of net cages; S3, selection and throwing of fish fries; according to the fry disinfection method disclosed by the invention, the fry are soaked and disinfected by using a compound disinfectant prepared from povidone iodine, polysorbate, citric acid and vitamin C in a specific proportion, so that pathogenic microorganisms on the surfaces and gill parts of fish bodies are effectively killed. According to the breeding management, the immunity of the fish body is comprehensively enhanced by feeding the fish with an immune conditioner composed of campesterol palmitate, immunomodulatory peptide, beta-glucan and astaxanthin in a specific proportion. According to the bottom mud management, the content of harmful substances is reduced by putting a bottom mud modifier composed of sodium molybdate, nitrifying bacteria, photosynthetic bacteria, tetrandrine and sodium alginate in a specific proportion, growth of pathogenic bacteria is inhibited, nutrient substance circulation is promoted, the water quality environment is optimized, and healthy growth of fry is promoted.

The invention discloses an agricultural planting soil ploughing and fertility increasing treatment device, and relates to the technical field of agricultural planting, the agricultural planting soil ploughing and fertility increasing treatment device comprises a fixing frame, and a ploughing and fertilizing assembly is arranged on the fixing frame; through the cooperation of the plough claw and the rotary blade group, the rotary blade group moves to a position where fertilizer is applied previously, at the moment, the rotary blade group crushes and turns soil for the second time under the action of the motor box, and the soil with the fertilizer is crushed for the second time in the rotating process, so that the fertilizer is uniformly dispersed into the soil around the position where the fertilizer is applied, and the effect of increasing the fertilizer of the land is improved; through the arrangement of the rotating shaft and the roller, only when the semi-cylindrical groove of the roller rotates to the side away from the discharging groove and then rotates to the discharging groove, fertilizer enters the plough claw through the discharging hole, the funnel and the connecting pipe and then slides out of the discharging hole, the fertilizer is more evenly distributed in soil, and the usage amount of the fertilizer can be reduced; and the economic benefit of land fertility increasing is improved.

The invention discloses a feed additive for promoting muscle and gonad development of eriocheir sinensis and application of the feed additive, and relates to the technical field of aquatic feed. The feed additive comprises cholesterol and omega-3 high unsaturated fatty acid. Each kilogram of the feed comprises the following feed additives by weight: 0.4 to 4.5 g of cholesterol and 3.5 to 4.5 g of omega-3 high unsaturated fatty acid. According to the feed additive, 4.022 g / kg omega-3 high unsaturated fatty acid (omega-3 HUFA) is supplemented into feed containing 4.114 g / kg cholesterol, so that the weight gain rate, the gonad index and the meat percentage of female crabs in the fattening period can be remarkably increased; the protein nutrition deposition capability of gonads and muscles is obviously improved; when the feed added with the feed additive is used in the fattening period of the eriocheir sinensis, the feed additive has importance on nutrient deposition and quality improvement of female crabs; the production cost of farmers can be reduced, the product value is improved, and technical support is provided for healthy development of the hairy crab industry.

The invention relates to the field of biological pharmacy, in particular to application of matrine in preparation of an intestinal microbiota regulator and an anti-escherichia coli medicine. The invention provides application of matrine in preparation of an intestinal microbiota regulator and an anti-Escherichia coli medicine, and matrine has the following advantages in application: (1) an active compound of a plant source has the characteristics of specificity and naturalness, and is friendly to the ecological environment; (2) the chemical structure and chemical characteristics are known, and the compound plays a role together with the immune system and the like of a host; (3) the main mode of acting on pathogens is a weakening and inhibiting mechanism or a synergistic effect with other substances, so that the drug resistance of pathogenic microorganisms is not easily caused, and the effectiveness of long-term use is ensured; and (4) pathogenic bacteria cannot be directly and completely killed generally, and corresponding pathogenic microorganisms are inhibited in a way of controlling an ecological steady state, so that the survival, replication and proliferation of the microbial community cannot be seriously influenced.

The invention relates to the technical field of functional microorganism screening and application, and particularly provides a microecological preparation containing bacillus pumilus and application of the microecological preparation in aquaculture. The microecological preparation can significantly promote the growth of aquatic animals, improve the feed utilization rate, enhance the oxidation resistance and organism immunity of the aquatic animals, reduce the occurrence of diseases, reduce tissue loss, significantly improve the apparent digestibility of the aquatic animals, reduce environmental pollution caused by nitrogen and phosphorus emissions, and improve the economic benefits of the aquatic animals. The method can be widely applied to the fields of aquatic feed production.

The invention discloses an application of combined use of beta-glucan and Klebsiella sp. In relieving low salt stress of penaeus vannamei, the Klebsiella sp. Is Klebsiella sp. E26, and is preserved in the China Center for Type Culture Collection (the address is Wuhan University, Wuhan, China), the preservation number is CCTCC NO: M20241218, and the preservation date is June 14, 2024. According to the invention, 0.1% of beta-glucan and 10 < 9 > CFU / g of strain E26 are jointly added into the feed to comprehensively relieve the negative effect of low-salt stress on prawns.

The application discloses a macrobrachium rosenbergii three-dimensional flat plate recirculating aquaculture system and method, which comprises a system support, a three-dimensional flat plate aquaculture unit and a recirculating water treatment unit. The three-dimensional flat plate aquaculture unit comprises a plurality of flat plate water tanks arranged on the system support. A water inlet pipeline is arranged above the top of the flat plate water tank and supplies water to the flat plate water tank in a downward spraying manner. A water level control overflow port is arranged on the side wall of the flat plate water tank. A sewage discharge hole array is arranged on the bottom of the flat plate water tank. A water collecting tank is fixedly connected to the outside of the bottom of the flat plate water tank. The sewage discharge hole array is in communication with the water collecting tank. The water collecting tank and the overflow port are connected to a recirculating water pipeline. The recirculating water pipeline is connected to the input end of the recirculating water treatment unit. The output end of the recirculating water treatment unit is connected to the water inlet pipeline, thereby forming a closed loop circulation, and the specific growth rate and the weight gain rate of the macrobrachium rosenbergii are greatly improved.

The invention discloses a feed formula suitable for aquaculture, and relates to the technical field of aquaculture. The feed comprises the following components in percentage by weight: 15-30% of soybean meal, 18% of rapeseed meal, 7% of cottonseed protein concentrate, 0-17% of sunflower seed meal, 4% of rice bran, 23% of flour, 4% of corn dry vinasse, 0.15-7.32% of microcrystalline cellulose, 0.2% of choline chloride, 3.8% of soybean oil, 1.5% of monocalcium phosphate, 1% of premix, 0-0.21% of lysine hydrochloride, 0-0.04% of methionine, 0.03% of a mildew preventive, 0.01% of an antioxidant and 2-5% of enteromorpha powder. The formula provided by the invention can promote ingestion of the grass carps under the condition of low soybean meal, improve the average weight, weight gain rate and specific growth rate of the grass carps, and promote absorption and utilization of phosphorus in the feed by the grass carps.

The invention relates to the technical field of radiation resistance, and particularly discloses a preparation method of siraitia grosvenorii extract dry paste and application of the siraitia grosvenorii extract dry paste in radiation damage resistance, the preparation method of the siraitia grosvenorii extract dry paste comprises the following steps: taking dried siraitia grosvenorii, breaking the siraitia grosvenorii into pieces, putting the broken siraitia grosvenorii pieces into a medicine decocting pot, extracting the siraitia grosvenorii pieces in 1-3 times by adopting a decoction method, adding 8-12 times of water each time, decocting for 0.5-1.5 h, filtering, and concentrating the filtrate to obtain the siraitia grosvenorii extract dry paste. Filtering with double-layer gauze, combining filtrates, heating, evaporating and concentrating, and drying in vacuum to obtain the fructus momordicae extract dry paste. Secondly, a < 60 > Co gamma ray induced light radiation injury mouse model is established, the mouse body weight growth rate, the anti-fatigue ability, the peripheral blood cell level, the visceral index and the immune related factor level are improved through treatment with the fructus momordicae extracting solution, the recovery effect on radiation induced immune injury and function decline is achieved, and the good effect of resisting radiation injury is achieved.

This invention belongs to the field of seahorse farming technology and discloses a feed additive that promotes the growth of striped seahorses and its application. Specifically, it discloses a feed additive comprising carotenoids, sea squirt powder, oyster powder, mannan oligosaccharides, probiotics, and vitamins. This invention provides a feed additive containing carotenoids, sea squirt powder, oyster powder, mannan oligosaccharides, probiotics, and vitamins. Adding this feed additive to seahorse feed can significantly promote seahorse growth (significantly increasing weight gain rate, specific growth rate, and body length growth rate) and improve seahorse survival rate. This feed additive not only helps improve the economic benefits of seahorse farming but also provides strong technical support for the sustainable development of the seahorse farming industry.

The invention provides a compound feed additive for improving the immunity of yellow feather broilers and a preparation method thereof, and relates to the technical field of broiler breeding feed preparation. The compound feed additive is prepared by mixing a macleaya cordata extract, an achyranthes bidentata root extract, a lotus root fermentation extract, chitosan oligosaccharide, fumaric acid, multivitamins and corn starch, wherein the lotus root fermentation extract is prepared by fermenting lotus roots with phaffia rhodozyma, squeezing, filtering, sterilizing and freeze-drying; the radix achyranthis bidentatae extract is prepared by performing microwave drying on radix achyranthis bidentatae, performing batch extraction by adopting 50%, 60% and 75% ethanol solutions, and performing drying. The method overcomes the defects in the prior art, effectively improves the growth efficiency of the yellow-feather chickens, further improves the immune performance of the yellow-feather chickens, and improves the economic benefits of breeding.

This invention provides a functional feed for improving the quality of farmed large yellow croaker, belonging to the field of feed technology. The formula of the functional feed provided by this invention includes the following components: fish meal, chicken meal, Clostridium ethanol, cottonseed protein concentrate, enzymatically hydrolyzed chicken syrup, tapioca flour, wheat flour, fish oil, soybean oil, soybean lecithin, vitamin premix, mineral premix, choline chloride, calcium dihydrogen phosphate, compound vitamin supplement, compound amino acid supplement, kelp powder containing gum, ethoxyquin, antifungal agent, antioxidant TBHQ, microcrystalline cellulose, guanidinoacetic acid, 5-aminoacetic acid propionic acid, and Eucommia ulmoides leaf extract. This invention, through the combination of different formulas and components, produces a synergistic effect in reducing drip loss and cooking loss in large yellow croaker muscle, further enhancing the role of functional feed in improving quality.

This invention discloses a method for preparing and applying a low-chitin enzymatic hydrolysed cricket feed based on Trichoderma and copepod autolysins, belonging to the field of aquaculture technology. This invention employs a combined enzymatic hydrolysis method using Trichoderma activation and copepod autolysins, which not only significantly reduces the chitin content in the cricket feed (to below 1%), but also optimizes the nutritional composition of the feed by introducing marine functional proteins from copepods. This not only replaces fishmeal in feed but also contributes to the growth and health of aquatic animals.

The present application belongs to the technical field of aquatic animal nutrition and compound feed, and specifically discloses a compound feed for sea or brackish water rearing of rainbow trout and a rearing method. The compound feed comprises fish meal, soybean meal, corn meal, soybean oil, fish oil, and schizochytrium oil, the total addition amount of fish oil and schizochytrium oil is 2.00%-3.00%, the replacement ratio of schizochytrium oil to fish oil is 35%-45%, the EPA content in the finished feed is 0.32%-0.42%, and the DHA content is 1.05%-1.20%. The rearing method comprises feeding rainbow trout with an initial body weight of 0.8-1.5 kg in water with a salinity of 12‰-20‰ and a water temperature of 16-21℃ for 10-14 weeks. The present application can improve the weight gain rate of rainbow trout, reduce the feed conversion ratio, maintain the muscle EPA and DHA content, ensure the liver health and excellent sensory quality, and is suitable for large-scale sea or brackish water rearing.

This invention relates to the field of pharmaceutical preparation technology, specifically to a sulfachlorpyridazine sodium-methotrexate suspension, its preparation method, and its application. The sulfachlorpyridazine sodium-methotrexate suspension of this invention comprises the following components per 100 ml: 20-50 g of sulfachlorpyridazine sodium, 4-10 g of methotrexate, 0.1-0.25 g of suspending agent, 0.05-0.125 g of wetting agent, 0.2-0.5 g of antioxidant, 0.1-0.25 g of disodium edetate, and purified water to a final volume of 100 ml. The suspension prepared by this invention can delay the in vivo clearance of sulfachlorpyridazine sodium, prolong the synergistic effect time, and improve its bioavailability; in the treatment of coccidiosis infection in chickens and sheep, it can significantly improve weight gain, reduce intestinal lesion values, rapidly clear oocysts, and maintain a long-lasting protective effect after drug withdrawal.

This invention relates to the application of microalgae polysaccharides in enhancing intestinal immunity in dairy cows, belonging to the field of feed technology. The microalgae polysaccharides prepared by this invention are used to increase the secretion of IgA, IgG, and IgM by the intestinal mucosa. This invention uses a specific ratio of kelp buds, Dunaliella salina, and Haematococcus pluvialis for pre-enzymatic hydrolysis using trypsin and nattokinase for a certain period of time, followed by enzymatic hydrolysis using hemicellulase and pectinase for a certain period of time. The resulting microalgae polysaccharide product has excellent effects in promoting the secretion of immunoglobulins in the dairy cow intestine, significantly increasing the content of IgA, IgG, and IgM in the dairy cow intestine, thereby enhancing intestinal immunity. It can serve as a highly effective alternative component for improving the intestinal immune function of dairy cows.

The utility model relates to forestry soil fertilization technical field, concretely is forestry's soil fertilization device, including modulation subassembly and spraying subassembly, the modulation subassembly is by mixing box, fixed ring, leakage tank, fixed cone, storage cylinder and film ring constitute, the top one end of mixing box is provided with connecting groove, the inner bottom wall fixed connection of connecting groove has fixed ring, the top edge of fixed ring is provided with leakage tank, the top center fixed connection of fixed ring has fixed cone. This forestry's soil fertilization device, through the setting of mixing box, fixed ring, leakage tank, fixed cone, storage cylinder and film ring, when using, the staff will join the quantitative pure water into the mixing box, will be equipped with the storage cylinder of proportioning amount soluble fertilizer, twists into the connecting groove on the mixing box, lets the fixed cone on the fixed ring on the inner wall of connecting groove the film ring on the bottom of storage cylinder punctures, lets the soluble fertilizer of storage cylinder leak.

The present invention provides a replacement cow feed containing a coffee residue fermented feed composition, and the replacement cow feed comprises the following components in parts by weight: 5-8 parts of oat grass, 5-15 parts of a concentrate, 10-25 parts of tabletted corn, 30-50 parts of corn silage, and 5-10 parts of the coffee residue fermented feed composition, the coffee residue fermented feed composition comprises the following raw materials in parts by weight: 38-50 parts of coffee residues, 2-5 parts of corn, 3-6 parts of pomace, 38-50 parts of millet bran, 0.5-1.5 parts of urea and 0.2-0.4 part of rice bran, a mixed strain comprising lactobacillus plantarum and saccharomyces cerevisiae in a mass ratio of 1: (0.8-1.2) is adopted for fermentation, and the addition amount of the mixed strain is 0.8-1.2 wt%. According to the present invention, the coffee residue fermented feed composition is added, such that the provided replacement cow feed can significantly improve the daily gain, the daily average feed intake, the crude protein apparent digestibility and the organic matter digestibility of replacement cows. From the aspect of economic benefits, the weight gain income is increased by about 4%; meanwhile, the content of active substances such as kojic acid and soy isoflavone in serum of the replacement cows is increased, and the body health of the replacement cows is promoted.