113 results about "Cottonseed meal" patented technology

The invention relates to the technical field of pig feed, and discloses a low soybean meal type pig feed formula based on enzymolysis protein and a preparation method of the low soybean meal type pig feed formula based on enzymolysis protein, dephenolized cottonseed meal, corn alcohol lees and the like are used as main raw materials, and the core of the low soybean meal type pig feed formula is that gradient enzymolysis and directional fermentation are dynamically coupled. The probiotics are subjected to specific induction domestication, so that the probiotics can efficiently adapt to a reaction system; in the coupling process, compound cellulase, protease and the like are added step by step according to a time sequence, the pH value of the system is intelligently adjusted by utilizing acid generated by fermentation, and optimal conditions are created for subsequent directional enzymolysis, so that the functional peptide with specific molecular weight is enriched. And finally, a low-temperature keep-alive drying technology is adopted, so that the biological activity of probiotics and functional peptides in the product is completely reserved. According to the method, raw material harmlessness, protein directional conversion and active substance protection are integrated, and high-value utilization of low-value agricultural and sideline products is achieved.

The invention provides a formula technology preparation method of a ruminant fattening soybean-meal-free daily ration feed which comprises the following components in percentage by mass: 30-40% of corn, 8-12% of wheat bran, 10-15% of corn distillers' grains, 8-12% of cottonseed meal, 5-10% of rapeseed meal, 3-5% of fish meal, 3-6% of corn protein powder, 5-8% of fermented bean dregs, 6-10% of microbial fermented straw, 2-4% of yeast culture and 1.5-2.5% of mineral element premix. 1-2% of a vitamin premix, 0.3-0.7% of a compound enzyme preparation and 0.5-1% of a microecological preparation. In the traditional feed granulation process, moisture, temperature and pressure are unstable, so that particles are uneven in hardness, large in dust amount and prone to mildewing. According to the method, the optimal granulation parameters are calculated by adopting MOPSO, and the particle uniformity and the storage stability are improved. The intelligent granulation optimization improves the water resistance of particles, reduces crushed materials, improves the palatability of the feed, reduces dust, prolongs the shelf life of the feed, and reduces the storage loss.

The invention relates to the technical field of soil improvement, in particular to a pineapple planting soil improvement method and a special modifier thereof. According to the pineapple planting soil improvement method, the special improver for the pineapple planting soil is applied to the soil before planting, the application amount is 15-25 kg / mu, and shallow turning is conducted after application; the special modifier for the pineapple planting soil is prepared from the following raw materials in percentage by mass: 35 to 65 percent of activated carbon or loaded activated carbon, 30 to 60 percent of cake fertilizer containing nematode inhibiting substances, 0.5 to 5 percent of loaded pomegranate peel ethanol extract and the balance of adhesive. The cake fertilizer (such as cottonseed meal and tea seed meal) containing the nematode inhibiting substance is an agricultural by-product, the raw materials are easy to obtain, and the cost is low; the activated carbon can be prepared from agricultural and forestry wastes (such as coconut shell charcoal), and accords with circular economy. Meanwhile, the environment-friendly and environment-friendly pesticide is eco-friendly, biodegradable, free of chemical residues and capable of killing insects and inhibiting bacteria at the same time.

The invention discloses a preparation method of a low-protein biological fermentation feed for crayfish, and belongs to the technical field of aquaculture feeds, and the preparation method comprises the following steps: high-temperature fermentation: uniformly mixing soybean meal, rapeseed meal, cottonseed meal and a mixed bacteria solution containing bacillus subtilis, lactobacillus plantarum, saccharomycetes and EM bacteria, and performing high-temperature fermentation to obtain a fermentation product; and performing low-temperature fermentation: adding shrimp shell meal, corn flour, rice bran, cellulase and phytase into the fermentation product, performing uniform stirring to obtain a mixture, and performing low-temperature fermentation on the mixture to obtain the product. According to the low-protein biological fermentation feed disclosed by the invention, by-products such as shrimp shell meal, rice bran and rapeseed meal are used as raw materials of the biological fermentation feed, so that the cost of the feed can be reduced; and the aims of enhancing the nutritional quality, improving the immunity and oxidation resistance of the organism and improving the environment of a culture water body can be fulfilled for culturing the crayfish with the specification of about 12 grams per crayfish.

The invention discloses a cottonseed meal feed preparation drying device and method, and relates to the technical field of cottonseed meal feed preparation drying. The cottonseed meal feed preparing and drying device comprises a bearing support and a barrel fixedly connected to the bearing support, the two ends of the barrel are open, a barrel cover is rotationally connected to the upper end of the barrel, and an intermittent feeding part used for intermittently feeding cottonseed meal feed into a multi-stage drying part is arranged on the barrel cover; the cylinder is provided with a driving part used for driving the multi-stage drying part and the intermittent feeding part to operate synchronously, the scraping plates are distributed in an inclined mode, and the inclined directions of the upper and lower adjacent scraping plates are opposite. The materials are always in a thin-layer state and are uniformly heated, the drying uniformity is effectively improved, and the phenomena of caking and wall sticking are reduced; and the cottonseed meal feed is intermittently and quantitatively fed through intermittent feeding, so that the materials are prevented from being stacked too thick, and the stability and thoroughness of the drying effect are further guaranteed.

The invention relates to the technical field of animal feed, in particular to cold-season yak supplementary feeding granules and a supplementary feeding method and application thereof. The supplementary feeding granular material for yaks in the cold season is prepared from the following components in percentage by weight: 10-13% of corn straws, 20-25% of sunflower seed shells, 35-38% of corn kernels, 9.4-10% of soybean meal, 8-10% of cottonseed meal, 0.8-1% of baking soda, 0.8-1% of table salt, 0.5-1% of feed premix and 4-5% of yeast leavening. Through a scientific formula, various nutritional ingredients needed by yaks can be provided, it is ensured that the yaks obtain comprehensive nutritional support in different growth stages, and meanwhile, high-energy nutritional ingredients can be provided to make up for a large amount of energy consumed by the yaks in the growth process; the feed can be converted into meat more efficiently, the growth speed and production benefits of the yaks are improved, and the feed has good digestibility and can be better absorbed by the yaks, so that feed waste is reduced, and the feeding efficiency is improved.

The invention belongs to the technical field of animal feeds, and discloses a yellow feather broiler compound feed and a preparation method thereof. The feed formula is optimized, the cottonseed meal, the sunflower meal, the pepper meal and other raw materials are reasonably proportioned, the content of crude fibers reaches 4.2% or above, the raw materials stimulate muscular stomach development and are compounded to reinforce the compound enzyme preparation, the digestibility is effectively improved, the stomach weight and the muscular stomach index of chickens are increased on the premise that the survival rate, the slaughtering weight and other indexes are guaranteed, and the chicken quality is improved. And the digestion and utilization capability of the feed is further improved. In addition, the yellow feather broiler compound feed disclosed by the invention is lower in cost and has a relatively high application value.

The utility model provides a finished cottonseed meal bagging and distributing device, and belongs to the technical field of bagging and distributing. The finished cottonseed meal bagging and distributing device comprises a distributing assembly and a fixing assembly, the distributing assembly comprises a discharging pipe, a distributing pipe, a distributing plate, a handle rod and a limiting rod, and the fixing assembly comprises a fixing rod, a bag clamping piece and a positioning knob. According to the automatic bag filling machine, different material distributing pipes are selected and switched for discharging, the switched material distributing plate is firstly fixed through a handle rod and a limiting rod, discharging and bag filling can be continuously carried out, the bag filling efficiency is improved, by arranging a fixing rod, a bag clamping piece and a positioning rotary knob, the bag clamping piece with the position adjusted in a sliding mode along the fixing rod can adapt to fixing of filling bags of various sizes, and the practicability is high. And the positioning knob is used for positioning at any time, so that the convenience of adjusting and positioning is greatly improved, and the range of applicable bag sizes is widened.

The invention relates to the technical field of feeds, in particular to a feed for improving mutton quality and a preparation method and application thereof. The feed comprises the following raw material components in parts by weight: 50-65 parts of concentrated feed; 35-50 parts of a coarse material; 1-8 parts of rose dregs; the concentrate is selected from one or more of corn, sorghum, wheat, fodder soybeans, peas, broad beans, soybean meal, cottonseed meal, rape seed cakes and peanut oil cakes; the coarse material is selected from alfalfa, leymus chinensis, awn of wheat, elymus dahuricus, cotton leaves, crop straws and chaff shells; according to the total mass of the rose flower residues, the rose flower residues contain 15 to 18 weight percent of flavone, 12 to 16 weight percent of terpenes, 9 to 13 weight percent of alkaloid, 5 to 9 weight percent of sugar and alcohol and 5 to 9 weight percent of amino acid. The feed provided by the invention can improve the growth performance of fattening sheep, also can improve the tenderness of longissimus dorsi of mutton and the content of amino acids and unsaturated fatty acids in the mutton, and improves the sense organ and quality of the mutton.

The invention belongs to the technical field of animal feed, and discloses a concentrate supplement for Simmental hybrid cattle. According to the invention, the concentrate supplement is researched from the nutritional requirements of the Simmental hybrid cattle at the fattening stage. The concentrate supplement is prepared from the following components in parts by mass: 580 to 620 parts of corn, 160 to 180 parts of guniting corn bran, 70 to 90 parts of cottonseed meal, 30 to 50 parts of wheat bran, 30 to 40 parts of soybean meal, 20 to 30 parts of premix, 10 to 20 parts of stone powder, 10 to 20 parts of salt, 8 to 12 parts of urea and 4 to 6 parts of baking soda. The concentrate supplement can improve the feed utilization rate of the Simmental hybrid cattle in the fattening stage, help to quickly gain weight and shorten the fattening time, can also reduce the morbidity of the cattle and save the cost, and has high application value.

This invention belongs to the field of feed preparation technology, specifically disclosing a feed composition suitable for Aohan donkeys and its application in fattening. The feed composition comprises the following raw materials in parts by weight: 25-35 parts of compound fermented product, 0.5-2 parts of camellia extract, 30-40 parts of corn stalks, and 5-10 parts of cottonseed meal. This invention discloses a feed composition suitable for Aohan donkeys and its application in fattening. This feed composition can increase the body weight and average daily weight gain of Aohan donkeys, reduce intestinal permeability indicators, improve intestinal barrier function, promote the growth and development of Aohan donkeys, and improve the meat quality of Aohan donkeys.

The application belongs to the technical field of cottonseed meal processing and animal feed, and particularly relates to application of enzymatic cottonseed meal in preparation of low-protein daily ration, promotion of animal intestinal development, improvement of animal production performance and improvement of carcass quality, wherein the small peptide content, free amino acid content and antioxidant activity of the enzymatic cottonseed meal are all significantly improved compared with cottonseed meal, the change of protein secondary structure and the significant reduction of relative molecular weight are more conducive to promotion of animal absorption of small molecules, are beneficial to animal intestinal health development, and can effectively improve animal growth performance. The feed prepared by replacing part of the conventional feed with the enzymatic cottonseed meal can still achieve the effects of promoting animal intestinal development and improving animal growth performance under the condition that the crude protein content is reduced by 1% to 2% compared with the basic daily ration or the conventional feed, and the feeding cost is significantly reduced compared with the use of the conventional feed.

The utility model provides a novel leacher for cottonseed meal processing, and relates to the technical field of vegetable oil leaching equipment, and the novel leacher comprises a leaching assembly and a pressing assembly. The leaching assembly comprises a leaching tank and a base plate, the side wall of the lower portion of the leaching tank is a net-shaped part, the leaching tank is movably arranged on the base plate in a sealed mode, an annular flow channel is formed in the position, located on the outer side of the leaching tank, of the base plate, and an outflow channel is formed in the position, located at the annular flow channel, of the base plate; and the pressing assembly is mounted in the leaching tank. And the pressing assembly can press the cottonseed meal material in the leaching tank, so that downward pressure is applied to the cottonseed meal material, and the leaching efficiency of the vegetable oil in the cottonseed meal material can be improved.

The present application belongs to the technical field of microbial fermentation feed, and discloses a fattening sheep complete mixed granular feed fermented by lactobacillus paracasei and a preparation method. The present application provides a lactobacillus paracasei strain for degrading gossypol, and the strain is used for solid fermentation of a mixture of cottonseed meal and cassava powder to obtain a fermented feed. The fermented feed is used for preparing a fattening sheep complete mixed granular feed, which can be directly used for feeding fattening sheep and can completely meet the nutritional needs of the fattening sheep. The complete mixed granular feed can significantly improve the palatability, and increase the feed intake and daily weight gain of the fattening sheep through fermentation of the cottonseed meal and the cassava powder.

The invention discloses slow-release fish bait and a preparation method thereof, and belongs to the technical field of fish feed. Comprising the following steps: mixing soybean meal powder and cottonseed meal powder to obtain floating bait; mixing the fermented blood powder, the corn protein powder and the pre-gelatinized starch to obtain mixed bait; mixing the food calling microcapsules, hydroxypropyl methyl cellulose, soya bean lecithin and sterile water to obtain a food calling slow-release coating; wrapping 1 part by mass of floating bait with 2 parts by mass of mixed bait, and rounding to obtain basic fish bait; uniformly spraying the food-calling slow-release coating on the surface of the basic fish bait, and drying to obtain the slow-release fish bait. According to the invention, the dissolution time of the fish bait is prolonged, so that the dosage of the fish bait during bait casting is reduced.

The invention provides polymyxin B sulfate and a preparation method thereof. According to the method, paenibacillus polymyxa is fermented in a liquid culture medium with wheat flour as a main carbon source and cottonseed cake powder and high-temperature soybean cake powder as main nitrogen sources to generate polymyxin B, and aluminum oxide is used as a chromatography medium to purify polymyxin B sulfate through a column chromatography process. Wheat peptone is added into the seed tank, so that growth of hyphae is facilitated, and the hyphae are full; the inoculation amount is reduced, and the seed expanding period is shortened. In the middle stage of fermentation, the amino acid mixed liquid is supplemented, so that the yield of the polymyxin B is increased, and specific impurities after the component B2 can be reduced. The quality of the product prepared by the method is obviously improved, the preparation method does not use an organic solvent and is green and environment-friendly, aluminum oxide can be regenerated and reused, and industrial production is facilitated.

The invention belongs to the technical field of animal feeds, and discloses a high-utilization-rate yellow feather chicken feed and a preparation method thereof. According to the present invention, by optimizing the formula of the complex enzyme preparation, the high utilization rate yellow feather chicken feed suitable for different growth stages is provided, and comprises a 1 # feed used for the 0-21-day-old stage, a 2 # feed used for the 22-42-day-old stage, and a 3 # feed used for the 43-slaughter stage. Compared with the traditional corn cottonseed meal type daily ration, the yellow feather chicken feed provided by the invention has the advantages that the dry matter digestibility and crude protein digestibility are higher than those of the traditional corn cottonseed meal type daily ration, in addition, the average body weight after slaughtering is higher, and the feed conversion ratio is lower. The feed has contribution significance in reducing feed waste, improving the health condition of the yellow feather chickens, reducing the feeding cost and the like.

The invention relates to the technical field of animal husbandry breeding. The invention provides a feed for improving milk yield and quality of camels and a feeding method matched with the feed. The feed comprises the following components in parts by weight: 10-14 parts of alfalfa hay, 16-20 parts of peanut vines, 6-10 parts of sugar beet pulp, 18-22 parts of corn, 11-15 parts of wheat bran, 10-14 parts of cottonseed meal, 8-12 parts of soybean meal, 0.8-1.2 parts of calcium hydrophosphate, 0.8-1.2 parts of table salt and 4-6 parts of premix. The formula of the feed is improved, the content of crude protein in the feed is increased and reaches 17%, and the requirement of protein under the condition of high milk yield is met. Meanwhile, grease is added, trace elements are supplemented, and the butter-fat percentage is increased. Various different feeds are used for feeding in different growth stages, so that the quality of the bactrian camel milk is improved, the physical health is guaranteed, the yield of the bactrian camel milk is increased, and the economic benefits of farmers are improved.

The invention discloses a preparation method and application of a high-strength, mildew-proof and low-cost cottonseed meal protein adhesive. The preparation method comprises the following steps: compounding L-lysine and 4-carboxyphenylboronic acid through a coupling reaction to prepare lysine borate, adding the prepared lysine borate into the cottonseed meal protein adhesive, adding a proper amount of transglutaminase, and uniformly stirring to obtain the novel high-strength, mildew-proof and low-cost cottonseed meal protein adhesive based on the skin bionic strategy. The innovation points of the invention are as follows: by simulating a peptide bond between protein and polysaccharide in skin and forming a compact cross-linked layer through dehydration condensation reaction, using transglutaminase to construct a grain-lysine isopeptide bond, and introducing boric acid to form a covalent boron-oxygen-six-ring structure, a dual cross-linked network is constructed. The cottonseed meal protein adhesive has the advantages that the bonding strength, mildew resistance and other properties of the cottonseed meal protein adhesive can be remarkably improved only by using trace transglutaminase and boron oxygen six-ring as cross-linking agents, and the preparation cost of the adhesive is reduced.

The invention discloses a near infrared spectrum-based soybean meal adulterated substance rapid identification and content determination method, which is characterized in that on the basis of near infrared spectrum data of substances such as soybean meal, an artificial intelligence algorithm is utilized to construct a classification model and a prediction model, and efficient detection of soybean meal adulteration is realized. In the single adulteration classification model, the detection success rate of the sand, the corn and the wheat is high, and the detection success rate is relatively low due to the fact that the cottonseed meal and the rapeseed meal are high in component similarity with the soybean meal. The mixed adulteration classification model adopts a plurality of algorithm models, and finally a neural network model is selected. The single adulteration prediction model and the mixed adulteration prediction model also achieve better effects, and meet the basic requirements of the prediction models. According to the method, rapid and nondestructive detection of soybean meal adulteration is realized, the efficiency of soybean meal quality detection can be improved, and a scientific basis can be provided for striking soybean meal adulteration behaviors.

The invention provides a microbial fertilizer capable of reducing the amount and increasing the efficiency of a chemical fertilizer and a preparation method thereof, and relates to the technical field of agricultural microbial fertilizers. The fertilizer is prepared from, by mass, 5%-10% of meat, 5%-8% of bones, 8%-12% of fruit leavening, 10%-15% of bean product leavening, 15%-20% of cottonseed meal, 3%-5% of various microbial agents, 8%-12% of corn flour, 8%-12% of bran and 15%-20% of deadwood rotten matter. The multiple microbial agents are composed of bacillus subtilis, bacillus licheniformis, phosphate-solubilizing and potassium-solubilizing bacteria and nitrogen-fixing bacteria. The preparation method comprises the steps of raw material pretreatment, mixed inoculation, high-temperature aerobic fermentation, post-curing and forming. Soil nutrients are activated through beneficial microorganisms, the application amount of a chemical fertilizer can be reduced by 20%-30%, the utilization rate of the chemical fertilizer is increased to 60% or above, meanwhile, the emergence rate of seedlings is increased to be larger than or equal to 95%, the pH value of saline-alkali soil is improved to be 0.5-1.0, pesticide residues are reduced to be larger than or equal to 40%, the sugar degree of agricultural products is increased to be 0.5-1.0 Brix, the cost is 15%-20% lower than that of existing bacterial fertilizer, and the fertilizer is suitable for planting of various crops.

The invention provides a feed additive for improving the hypoxia tolerance function of micropterus salmoides. The feed additive is prepared from the following raw materials in percentage by mass: 20% of arachidonic acid and the balance of maltodextrin. The invention also provides a feed composition of the feed additive. The feed is prepared from the following raw materials in percentage by mass: 450 per mill of fish meal, 50 per mill of fermented hermetia illucens pulp, 69.5 per mill of enzymolysis chicken powder, 60 per mill of chicken liver powder, 60 per mill of enzymolysis soybean meal, 75 per mill of fermented soybean meal, 60 per mill of cottonseed meal, 29 per mill of dextrin, 40.5 per mill of cassava starch, 23 per mill of soybean oil, 23 per mill of linseed oil, 15 per mill of monocalcium phosphate, 5 per mill of choline chloride, 1 per mill of a micropterus salmoides premix, 1 per mill of zeolite powder and 20 per mill of a feed additive. The feed composition is used for improving the hypoxia tolerance of the micropterus salmoides. According to the invention, arachidonic acid is used as a functional active substance to prepare the hypoxia stress resistant functional feed, and the addition of arachidonic acid can significantly activate liver angiogenesis genes, promote the liver angiogenesis level and improve the hypoxia tolerance of largemouth bass.

The invention belongs to the technical field of microbial fermentation, and particularly relates to a cottonseed protein extraction method based on enzymolysis and fermentation. The method comprises the following steps: (1) pretreatment: performing hull-kernel separation on cotton seeds to obtain cotton kernels and cotton hulls, and performing softening, embryo pressing and drying on the cotton kernels in sequence to obtain pretreated cotton kernels; (2) degreasing: degreasing the pretreated cottonseed kernels to obtain degreased cottonseed meal; (3) leaching: carrying out secondary leaching extraction on the degreased cottonseed meal by using a methanol aqueous solution to obtain a leached material; draining the leached material, desolventizing and drying to obtain crude cottonseed protein; and (4) adding water into the coarse cottonseed protein to obtain a fermented material, adding compound bacteria and neutral protease into the fermented material, fermenting, and drying, crushing and sieving after fermentation to obtain the cottonseed protein based on enzymolysis and fermentation. The cottonseed protein disclosed by the invention has obvious effects of relieving fatty liver of large yellow croaker and preventing and treating liver and gall diseases.

The invention belongs to the technical field of microbial fermentation, and discloses a fermentation medium for improving the live spore number and mosquito killing activity of lysinibacillus sphaericus and application of the fermentation medium. 15 g / L of cottonseed meal; 3 g / L of yeast powder; naCl: 3 g / L; 0.2 g / L of CaCO3; 0.6 g / L of MgSO4. 7H2O; and 0.13 g / L of FeSO4. 7H2O, wherein the initial pH (Potential of Hydrogen) is 8.0. The effect of the optimized culture medium shows that the number of live spores after fermentation of the lysinibacillus sphaericus is in positive correlation with the mosquito killing activity, so that when the formula is screened and optimized, the counting of the live spores is used for replacing bioassay as an evaluation index, and the effects of simplifying the process and shortening the time can be achieved.

The invention provides a fermented corncob as well as a preparation method and application thereof, and belongs to the technical field of ruminant nutrition and feed science. The fermented corncob is prepared from the following raw material components in parts by mass: 32 to 42 parts of corncob, 2.5 to 5 parts of soybean meal, 3 to 5 parts of cottonseed meal, 2 to 4 parts of wheat bran, 2 to 5 parts of rice bran, 2 to 5 parts of glucose, 2.5 to 5 parts of cane molasses, 0.2 to 0.5 part of expanded urea, 2 to 4 parts of attapulgite powder, 0.4 to 0.6 part of compound bacterium enzyme mixture, 0.3 to 0.5 part of feed-grade sodium chloride, 0.3 to 0.5 part of feed-grade magnesium oxide and 34 to 42 parts of water. The corncob and other raw materials are subjected to mixed fermentation through combination of various bacteria and enzymes, so that the nutritional value and the nutritional level of the feed are improved. The fermented corncob can replace part of corn in the feed, the production performance is improved, the feed cost is reduced, resource recycling is effectively promoted, and the palatability of the feed is improved.

The application discloses a fattening feeding method of beef cattle, which uses TMR daily ration in the whole fattening process, and the intensive fattening time is not more than 6 months; the TMR daily ration is composed of the following components in percentage by mass: hay 9.5-23.5%, silage 38-47.0% and concentrate 29.5-52.5%, and the fattening standard material amount is 17-21 kg / (head.day); the concentrate contains the following components in percentage by mass: corn 53-55%, bran 15-20%, cottonseed meal 8-10%, soybean meal 8-12%, calcium hydrogen phosphate 1.8-2%, salt 1%, sodium bicarbonate 2-2.5% and premix 1%. The fattening feeding method of beef cattle can significantly shorten the fattening period, improve the production efficiency, reduce the feed consumption and production cost, and realize the maximization of economic benefits.

This utility model relates to the field of rapid cooling technology for cottonseed meal, and discloses a rapid cooling device for high-protein cottonseed meal, including a cooling box. A rotating shaft is vertically positioned in the middle of the inner cavity of the cooling box. Spiral blades are fixedly installed on the outer wall of the rotating shaft. A bottom scraper is fixedly installed at the bottom of the rotating shaft to prevent cottonseed meal from accumulating on the inner wall of the cooling box cavity. Fixing rods are fixedly installed on the left and right outer walls of the middle section of the rotating shaft. A vertical scraper is installed at the end of the fixing rod away from the rotating shaft, with one side of the scraper fitting against the inner wall of the cooling box. A cooling pipe is installed inside the inner wall of the cooling box. An inlet pipe is fixedly installed at the lower end of the right outer wall of the cooling box, and is fixedly connected to the inlet of the cooling pipe. An outlet pipe is fixedly installed at the upper end of the left outer wall of the cooling box, and is fixedly connected to the outlet of the cooling pipe. The other end of the outlet pipe is fixedly connected to a cooler. This utility model significantly improves cooling efficiency.

The invention provides a special selenium-rich fermented feed for fattening cattle and a preparation method thereof, and relates to the technical field of animal feeds. The special selenium-rich fermented feed for the fattening cattle comprises the following raw materials: corn flour, soybean meal, bran, alfalfa meal, cottonseed meal, selenomethionine, a yeast agent, a lactic acid bacteria agent, a compound enzyme preparation, prebiotics, vitamin E, sodium bicarbonate, table salt, calcium hydrophosphate and the like, and can remarkably improve the bioavailability of selenium in the feed and the overall nutritional value of the feed of the fattening cattle; the feed additive has obvious advantages in the aspects of promoting the growth performance of the fattening cattle, improving the meat quality, enhancing the oxidation resistance and the like, and has good application and popularization prospects.

The present application relates to the field of livestock feed, and provides a feed for improving the intestinal health of livestock by rosemary oil and a preparation method thereof; the feed is composed of cyclodextrin-coated rosemary oil compound, corn flour, straw pellets, wheat, barley, rapeseed meal, cottonseed meal, peas, bran, bone meal, calcium carbonate, calcium hydrogen phosphate and the like. The cyclodextrin-coated rosemary oil compound is obtained by co-precipitation of rosemary essential oil nano-composite emulsion and cyclodextrin, and the rosemary essential oil nano-composite emulsion is mainly obtained by nano-emulsification of rosemary, alpha-tocopherol and chitosan; the above technologies significantly enhance the stability, slow-release performance and absorption rate of rosemary oil in the feed. The feed is uniformly mixed and granulated by a double-shaft paddle mixer, and the feed not only improves the intestinal health of livestock and enhances the nutrient absorption efficiency, but also has good processability, storage stability and long-term performance.

The invention discloses a repairing agent suitable for Xinjiang secondary salinized soil, and belongs to the technical field of soil improvement. After bacillus velezensis, Frankia, ardealite, urea, potassium sulfate, calcium superphosphate, ferrous sulfate, furfural residues, corn straw particles, cottonseed meal, sheep manure particles, EDTA-2Na and humic acid are compounded for use, the salinization degree of soil is effectively relieved, and the soil fertility index is remarkably improved. Wherein the bacillus velezensis and the Frankia solid bacteria have a synergistic effect, so that the release and conversion of nutrient elements such as nitrogen, phosphorus and potassium in the soil can be promoted, the microbial community structure of the soil can be adjusted, and a powerful technical support is provided for repairing degraded soil such as secondary salinization; and new vitality is also injected for agricultural sustainable development.