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33 results about "Heat-Stress Responses" patented technology

Heat-stress alleviant for milk-cow, prepn. method and application thereof

A feed additive for relaxing the hot stress reaction of milk cow in the summer is prepared from organochromium, cultured yeast, nicotinic acid, VA, VD, VE, sodium selenite (or yeast selenium), copper sulfate, zinc sulfate, cobalt sulfate, calcium iodate, manganese sulfate, etc.
Owner:FUJIAN AGRI & FORESTRY UNIV

Feed additive for increasing milk cow dairy food quality and milk cow anti-heat stress

Feed additive for increasing milk cow dairy quality and milk cow anti-heat stress relates to a feed additive. The additive comprises calcium conjugated linoleic acid, selenium and vitamin E, the ratio of the additive is 15-50mg selenium of and 25,000-750,000 IU of vitamin E to each 1 Kg of calcium conjugated linoleic acid. The invention has the advantages that the yield of milk fat of milk cows, the contents of unsaturated fatty acid in milk fat and the selenium and VE in milk are increased, thus improving the dairy quality, the heat stress reaction of milk cows can also be alleviated, thus increasing the milk production , furthermore, the active oxygen in the heat stress milk cows can be reduced to decrease peroxidation reaction, thus reducing the injure of heat stress on milk cows and increasing the anti-oxidation ability of milk cow organism. The invention has the advantages of simple production process, no requirement of special equipment, safe and simple operation and no side effect.
Owner:广州风行乳业股份有限公司 +2

Heat-resistant stress feedstuff additive for milk cattle

The invention relates to a feed additive, in particular to a heat-resistant stress feed additive for a cow. The additive comprises the following components in weight portion: 4 to 7 portions of milk veteh, 3 to 6 portions of angelica, 4 to 7 portions of seed cowherb, 2 to 5 portions of licorice, 5 to 8 portions of potassium chloride, 2 to 5 portions of sodium chloride, 1 to 2 portions of magnesium chloride, 2 to 5 portions of sodium bicarbonate, 2 to 5 portions of citric acid and 5 to 10 portions of carrier. The milk veteh, the angelica, the seed cowherb, the licorice, the potassium chloride, the sodium chloride, the magnesium chloride, the sodium bicarbonate and the citric acid are subjected to superfine grinding, filtered by a shaking screen of 100 to 200 meshes, and then mixed with the carrier according to a proportion, stirred evenly, sterilized, cooled, and packaged to prepare the feed additive. The feed additive can improve the heat-resistant stress reaction capability of the cow, enhance immune function of the cow organism, and promote quick rehabilitation of sick livestock, and has the effect of controlling breathing, tonifying the blood, and relaxing vein and promoting milk.
Owner:TIANJIN SHENGJI GRP CO LTD

Laying hen heat stress resistant feed additive and preparation method and application thereof

The present invention discloses a laying hen heat stress resistant feed additive. The laying hen heat stress resistant feed additive is made from the following components in parts by weight: 1-3 parts of radix astragali, 0.5-1 part of radix ophiopogonis, 1-3 parts of raw licorices, 0.5-1 part of dandelion, 3-5 parts of fructus forsythiae, 0.1-0.3 part of fructus trichosanthis, 3-5 parts of honeysuckles, 3-5 parts of radix codonopsis, 1-3 parts of rhizoma atractylodis, 3-5 parts of lotus leaves, 0.5-1 part of radix isatidis, 0.3-0.5 part of rosemary, 20-30 parts of potassium chloride, 10-15 parts of sodium hydrogen carbonate, 15-20 parts of bentonite and 5-10 parts of an adaptation promoting agent. The laying hen heat stress resistant feed additive is scientific in ratio, safe and sound, free of drug resistance and residues, and can enhance the adaptability of the laying hens to high temperature, strengthen immune function, coordinate thermal equilibrium and significantly alleviate heat stress reaction. The present invention also discloses a preparation method of the laying hen heat stress resistant feed additive. The preparation method is good in mixing homogeneity, simple in technology and easy to implement, and can applied in a large-scale industrial production.
Owner:赵将

Compound preparation for preventing and treating heat stress syndrome of beef cattle, and preparation method and use method of compound preparation

InactiveCN103417688AImprove cooling effectFacilitates multi-channel heat dissipationAnimal feeding stuffDrug compositionsDrug additiveBaical Skullcap Root
The invention provides a compound preparation for preventing and treating heat stress syndrome of beef cattle. The compound preparation comprises the following medicated raw materials in parts by weight: 200 to 300 parts of agastache, 200 to 300 parts of rhizoma atractylodis, 100 to 200 parts of hoantchy root, 100 to 200 parts of baical skullcap root, 100 to 150 parts of costustoot and 100 to 150 parts of dried orange peel; all the medicated raw materials are smashed and then mixed well. The invention further provides a preparation method and a use method of the compound preparation for preventing and treating heat stress syndrome of beef cattle. The compound preparation is based on the theory of 'Chinese veterinary medicines', is mainly formed by compounding Chinese herbal medicines, is used for replacing frequently-used antibiotics, sedative and other medicated premix to prevent and treat heat stress response of beef cattle, and has the advantages of safety, no residue, no toxicity or harm to animals, and the like. The compound preparation is particularly applicable to high-temperature and high-humidity environments in the south in summer and can be used for preventing and treating heat stress response of growing beef cattle and fattening beef cattle in summer.
Owner:JIANGXI AGRICULTURAL UNIVERSITY

Feed additive capable of alleviating heat stress of beeves

The invention relates to a feed additive capable of alleviating the heat stress of beeves, which consists of 40 to 60 percent by weight of fatty acid calcium and 40 to 60 percent by weight of soluble carbonate. The feed additive can effectively alleviate the heat stress of beeves, increase the yield and immunity of beeves in summer and remarkably increase the culture benefit.
Owner:HEBEI AGRICULTURAL UNIV.

Method of preparing chicken feed by performing steam explosion on cordyceps medium residues

The invention belongs to the field of feed development and specifically relates to a method of preparing chicken feed by performing steam explosion on cordyceps medium residues. The method includes the following steps: (1) cutting the cordyceps medium residues into slices; (2) adding the sliced cordyceps medium residues obtained in the step (1) into a steam explosion reactor, performing explosionat a pressure of 0.5-1.5MPa and performing pressure holding for 5min; (3) mixing the exploded materials obtained in the step (2) with alternanthera philoxeroides, mulberries and starch-type ingredients and performing grinding into powder of 20-40 mesh; (4) adding biological enzymes into the powder, regulating the pH value to 6.5-8.0 and performing complete mixing and stirring for 20-43h; and (5) after stirring uniformly, taking out the mixture and performing drying, grinding and granulating. The formula of the chicken feed provided by the invention improves egg quality, reduces the breakage rate of eggshell, also relieves the heat stress reaction of chicken and increases egg production.
Owner:XUZHOU HONGYU AGRI TECH

Mixed feed for improving post-weaning estrus rate of sows in summer, and feeding method thereof

The invention discloses a mixed feed for improving the post-weaning estrus rate of sows in summer. Every 1000 kg of the mixed feed comprises 600-680 kg of corn, 30-70 kg of soybean meal, 40-60 kg of fermented soybean meal, 80-120 kg of expanded soybean, 55-80 kg of corn germ meal, 40-55 kg of apple pomace, 10-13 kg of stone flour, 10-13 kg of calcium hydrogen phosphate, 2-3 kg of lysine, 0.2-0.4 kg of methionine, 0.8-1.0 kg of threonine, 1.7-2.0 kg of tryptophan, 0.2-0.4 kg of chitosan oligosaccharides, 0.4-0.7 kg of plant extract, 0.4-0.6 kg of a mildew inhibitor and 8-10 kg of a premix. Themixed feed is applied in a period from seven days before weaning of the sows in summer to estrus, can effectively increase the feed intake of the sows, reduce the heat stress reaction and inflammationproblems of the sows and improve the post-weaning estrus rate of sows in summer, and is of great significance to actual production.
Owner:成都铁骑力士饲料有限公司

Mixed feed additive and application thereof

The invention discloses a mixed feed additive and application thereof. The mixed feed additive is mainly formed by mixing, by mass percentage, 40-95% of a cordyceps gunnii strain fermentation material, 5-60% of gamma-aminobutyric acid powder and / or the balance carriers. The mixed feed additive obtained by mixing the cordyceps gunnii strain fermentation material and the gamma-aminobutyric acid powder can more effectively reduce heat stress responses of livestock and poultry animals, ensure the normal growth and productivity improvement of the livestock and poultry animals in a stress state, andprovides a better feed additive product for the livestock and poultry animals in the heat stress response state.
Owner:合肥迈可罗生物工程有限公司

Heat stress reaction alleviating pig feed

The present invention discloses a heat stress reaction alleviating pig feed. The pig feed is prepared from the following raw materials in parts by weight: 50-60 parts of flour, 60-70 parts of sugar cane leaves, 30-40 parts of rice brans, 3-4 parts of grape seeds, 13-17 parts of beets, 9-13 parts of aloe vera, 20-25 parts of leucaena leucocephala, 25-30 parts of banana peels, 7-9 parts of wasted molasses, 7-8 parts of butter, and an appropriate amount of urea, sodium hydroxide, urea phosphate, trichoderma viride, candida utilis, grape juice yeast and water. The prepared feed has a good food attractivity, suits the taste requirements of the pigs, alleviates the heat stress reaction, is low in costs and rich in nutrition, can provide different nutritional components for the growth of the pigs, enables the pigs to have a very morbidity, and has a very good breeding efficiency.
Owner:HUAIBEI JIAJI AGRI SCI & TECH CO LTD

Anti-heat stress feed additives for rabbits and preparation method thereof

InactiveCN105166418AAlleviate heat stressIncrease feed intakeAnimal feeding stuffBetaineAnimal science
The invention aims at providing anti-heat stress feed additives for rabbits and a preparation method thereof. Therefore, a heat stress response of rabbits in high-temperature environments in summer is relieved, feed intake, daily gain and feed conversion are increased, the death rate is decreased, and the cost of breeding the rabbits is reduced. According to the technical scheme, the anti-heat stress feed additives for the rabbits are characterized by being prepared from, by weight, 20-50 parts of honeysuckles, 20-50 parts of spreading hedyotis herbs, 20-50 parts of milkvetch roots, 15-30 parts of coptidis rhizoma, 10-40 parts of rhizoma atractylodis macrocephalae, 10-30 parts of herba moslae, 10-30 parts of reed rhizome, 20-50 parts of cortex lycii, 10-30 parts of mesona, 20-50 parts of burdock, 10-40 parts of hawthorns, 10-30 parts Chinese magnoliavine fruits, 20-40 parts of betaine, 50-80 parts of glutamine and 5-15 parts of feed grade organic chromium.
Owner:LINYI UNIVERSITY

Anti-chicken heat stress premix and preparation method thereof

The invention discloses an anti-chicken heat stress premix and a preparation method thereof, and the anti-chicken heat stress premix comprises the following components by weight: 25%-30% of eucalyptusleaf extract, 15%-20% of zeolite powder, 14%-19% of potassium sulfate, 12% to 17% of sodium bicarbonate, 10% to 15% of magnesium sulfate, and 7% to 12% of lysine. The anti-chicken heat stress premixcan effectively prevent and resist h heat stress response of broiler and laying hens in a hot environment, improves the environmental adaptability of the broiler and laying hens, and reduces the mortality of the broiler and laying hens, and the product quality is stable during the preparation process, a chicken feed is prepared according to the addition proportion of the premix of 0.3%-0 .6%, in the high temperature environment above 32 DEG C, the anti-chicken heat stress capability can be effectively improved, the chicken's ability to resist temperature rising, respiratory rate acceleration and other heat stress response can be improved, and the incidence of heat stress can be greatly reduced.
Owner:SOUTH CHINA AGRI UNIV

Method for constructing dairy cow mammary gland differential expression gene regulation and control network under condition of heat stress

The invention discloses a method for constructing a dairy cow mammary gland differential expression gene regulation and control network under condition of heat stress. The method comprises the following steps: step one, collecting gland tissue samples of heat stress dairy cow and heat-stress-free dairy cow; step two, enabling Solexa high-throughput sequencing identification to participate in micro RNA (mi RNA) of dairy cow heat stress reaction, and searching differential expression mi RNA; step three, predicting mi RNA target gene with remarkable differential expression; and step four, construction a mi RNA regulation and control network with remarkable differential expression. By the method, the regulation and control effect of mi RNA and the mechanism thereof are disclosed when the dairy cow are in a high-temperature environment, and new test data are provided for regulation and control or weakening of heat stress response of the dairy cow and increasing of milk yield. Meanwhile, the method plays a quite important role in development of heat stress protein feed, regulation and control of an environment for the dairy cow and the like.
Owner:LANGFANG NORMAL UNIV

Pitaya gene HuAAE3 and application thereof in regulating and controlling high temperature stress resistance of plants

The invention discloses a pitaya gene HuAAE3 and application thereof in regulating and controlling high temperature stress resistance of plants, the nucleotide sequence of the pitaya gene HuAAE3 is shown as SEQ ID NO.1 or is a sequence completely complementarily paired with the SEQ ID NO.1, and the coded amino acid sequence of the pitaya gene HuAAE3 is shown as SEQ ID NO.2. The invention further discloses a preparation method of the pitaya gene HuAAE3. Research finds that the oxalyl-coenzyme A synthetase AAE3 of the plant expressed by the dragon fruit HuAAE3 gene participates in heat stress response, which is of great significance to comprehensive understanding of biological functions of the oxalyl-coenzyme A synthetase AAE3 in the plant. Meanwhile, the HuAAE3 gene is over-expressed by the inventor through a transgenosis method, and along with the increase of the expression quantity of the HuAAE3 gene, the resistance of arabidopsis thaliana to high temperature is improved. Therefore, the dragon fruit HuAAE3 gene and the corresponding protein can be applied to genetic engineering genetic breeding of crops, high-temperature-resistant crop varieties are cultivated, safety hazards caused by high temperature to food crops are reduced, and the dragon fruit HuAAE3 gene and the corresponding protein have important reference significance for related research on high-temperature tolerance of other crops.
Owner:SOUTH CHINA BOTANICAL GARDEN CHINESE ACADEMY OF SCI

Semi-closed cowshed

The invention relates to a semi-closed cowshed, which has a three-side-closed and one-side-open structure. Air conditioner units are arranged on the left and right two sides in the cowshed; an NH3, CO2, H2S, temperature and humidity dynamic continuous monitoring component, an exhaust system and an automatic dung cleaning system are distributed in the cowshed uniformly. In the invention, the three-side-closed and one-side-open structure is adopted, the air conditioner units are arranged on the left and right two sides of the cowshed, and the NH3, CO2, H2S, temperature and humidity dynamic continuous monitoring component, the exhaust system and the automatic dung cleaning system are distributed in the cowshed uniformly; the temperature and humidity in the cowshed can be regulated effectively, and the content of harmful gases such as NH3, CO2 and H2S in the cowshed can be monitored in time; with the exhaust system, the air can be discharged in time and ventilation can be performed in time, which is favorable for preventing various heat stress responses of milk at a high temperature in summer; and thus, the long-lasting raw fresh milk supply and demand contradiction problem of urban milk enterprises is solved radically, the breeding benefits of individual cow breeding famers are increased, the income of the farmers is increased, and the activity of the famers is improved.
Owner:CHANGZHOU HONGMEI DAIRY +1

Feed reducing the death and culling rate of medium-sized and big ducks in summer and a preparing method thereof

The invention relates to the technical field of agriculture breeding, and particularly relates to feed reducing the death and culling rate of medium-sized and big ducks in summer and a preparing method thereof. Raw materials of the feed include corn, millet, full-fat rice bran, a premix, first-leaching soybean meal, golden-rod, bone meal, stone powder, fungus phytase, calcium hydrophosphate and calcium carbonate. Compared with the prior art, the feed and the method are advantageous in that: through synergistic effects of different raw materials in the premix, the feed allows the medium-sized and big ducks to have high heat resistance and to stay calm in a summer breeding process; the ratio of the raw materials in the premix is changed continuously along the application of the feed so that a stable feed intake amount and stable growth performance are maintained along with temperature changes in the breeding process; when a heat stress reaction occurs, the raw materials in the feed are changed timely to achieve a real-time control function; addition of the raw materials does not cause adverse influences on meat quality or nutrition of the bred ducks; the death and culling rate of bred ducks in summer is reduced; the feed-meat ratio is reduced; and the comprehensive benefit is increased.
Owner:年付柱

Delivery room temperature capable of increasing sow farrowing survival rate and control method of delivery room temperature

InactiveCN103875538AReduce heat and cold stress responseImprove survival rateAnimal housingTemperature controlPig farms
The invention discloses delivery room temperature capable of increasing sow farrowing survival rate and a control method of the delivery room temperature. An intelligent water-curtain-type air conditioner is used to cool big environment of a hoggery delivery room to enable environmental temperature of the delivery room to reach 23-25 DEG C in summer; in winter, a heating radiator is used for temperature of the big environment of the delivery room to enable the temperature to be controlled at 25-27 DEG C, and a heat-insulating lamp and an electric heating plate are used for small environment of piglets. Compared with the prior art, the delivery room temperature and the control method have the advantages that according to different weather characteristics of summer and winter, an effective hoggery environment temperature control method is utilized to control the delivery room environment temperature to enable the same to reach a constant standard, so that cold-heat stress reaction of the piglets is reduced, and the survival rate of the piglets delivered by a sow in the delivery room is remarkably increased. The control method is simple and convenient in operation, easy to control and low in cost, high economic benefit is obtained with low investment, and an effective path is provided for improving production efficiency of an intensive pig farm.
Owner:JIANGSU TIANZOW IND CO LTD

Pig feed additive agent

The invention provides a pig feed additive agent. The pig feed additive agent is prepared from, by weight, 20 parts of amino acid, 20 parts of vitamin C, 30 parts of mint powder, 20 parts of vitamin C, 50 parts of bacitracin zinc (the content is 15%), 8 parts of radix isatidis, 6 parts of citric acid, 20 parts of chrysanthemum flowers, 6 parts of liquiritigenin, 20 parts of hawthorn, 15 parts of poria cocos, 800 parts of defatted rice bran and 250 parts of glucose. The invention provides the pig feed additive agent, wherein 2.5-4 kilograms of the additive agent is added into the feed per ton. The pig feed additive agent has the advantages that the immune ability of pigs is significantly improved, the anti-heat stress of pigs is improved, the heat stress response and the heatstroke caused by long distance goods transporting frequently and easily are reduced, and the probability of the illness of pigs is reduced.
Owner:宋建琴

Premixed feed capable of improving egg production of summer laying hens

The invention discloses premixed feed capable of improving the egg production of summer laying hens, and belongs to the technical field of laying hen breeding. The feed can realize the effect of innovatively introducing a special additive to cope with the heat stress response of the summer laying hens by improving the formula of premixed feed, and the feed uses an anti-heat stress sustained-release pill as a main raw material and a plurality of additives as auxiliary materials, uses the heat-clearing toxicity-removing properties to cool blood reduce temperature when the laying hens are fed with the feed while fully providing nutrients required by the laying hens, synchronously supplement a calcium source and vitamin C to maintain the continuous synthesis of protein and inhibit rising of body temperature; in addition, the anti-heat stress sustained-release pill has certain sustained-release properties, can be used during eating and digestion and has a long-time continuous effect, can avoid the physical discomfort of the laying hens caused by excessive cooling due to one-time release. The feed can greatly improve the egg production of the summer laying hens, and improve the survivalrate and egg quality of the laying hens.
Owner:南通和美华科技饲料有限公司

Veterinary Chinese herbal medicine material capable of treating heat stress response of domestic fowls and preparation method of veterinary Chinese herbal medicine material

The invention discloses a traditional Chinese veterinary drug material for treating heat stress reaction of poultry and a preparation method thereof, which comprises the following components in parts by mass: 6-12 parts of angelica, 5-15 parts of honeysuckle, 8-14 parts of hawthorn seeds, and forsythia 10‑15 parts, 5‑14 parts of Scutellaria baicalensis, 12‑18 parts of Codonopsis pilosula, 7‑17 parts of codonopsis root, 10‑18 parts of Acanthopanax, 2‑6 parts of Poria cocos, 4‑8 parts of mulberry bark, 5‑7 parts of tangerine peel The above percentages are percentages by mass. The present invention can treat poultry heat stress reaction, is safe and environment-friendly, and has high efficacy and efficiency.
Owner:青岛信诺邦生物科技有限公司

Summer fattening cattle daily ration

InactiveCN110583877AReduce accumulationEliminate ruminal acidosisFood processingAnimal feeding stuffHorro cattleCarcass weight
The invention belongs to the technical field of animal threpsology, and relates to a summer fattening cattle daily ration. The summer fattening cattle daily ration is prepared from the following raw materials in percentage by weight: 20 to 30 percent of compound ammoniated treatment feed, 20 to 30 percent of silage, 10 to 15 percent of palm meal, 10 to 15 percent of corn germ meal, 10 to 15 percent of bran, 1 to 10 percent of sunflower seed meal, 1 to 5 percent of rice bran meal, 1 to 5 percent of medical stone, 0.5 to 1 percent of calcium powder, 0.5 to 1 percent of table salt and 1 percent of premix compounds. The summer fattening cattle daily ration has the advantages that a ruminal acidosis phenomenon of fattening cattle can be fundamentally eliminated; the cost of the cost fattening cattle daily ration is obviously reduced; the daily weight increase, the carcass weight, the dressing percentage, the pure meat percentage, the meat-bone ratio and the meat-fat ratio of the fattening cattle are obviously increased; and under the conditional shed raising conditions, the heat stress response of the fattening cattle in summer is obviously reduced.
Owner:HENAN INST OF SCI & TECH

Anti-stress lick brick for sheep and preparation method thereof

The present invention relates to the technical field of preparations of feeds for sheep, particularly relates to an anti-stress lick brick for sheep and a preparation method thereof, and aims at a problem that the existing market lacks specific lick brick type additives for the sheep capable of alleviating the stress of the sheep. The provided Chinese herbal medicinal anti-stress functional health-care lick brick comprises the following raw materials in weight percentages: 20-60% of gypsum, 1-5% of a Chinese mosla herb extract, 1-5% of a peppermint extract, 5-15% of bentonite, 5-15% of calciumcarbonate, 0.5-2% of fatty acid calcium, 1.0-2.0% of vitamin C, 10-20% of artificial salt and 0.1-0.5% of chromium picolinate. In the preparation, the Chinese mosla herb extract, peppermint extract,fatty acid calcium, vitamin C and chromium picolinate are weighed in ratios first; a bentonite carrier is added; the materials are mixed evenly; then gypsum, calcium carbonate and artificial salt areadded; the materials are mixed evenly; and the mixture is pressed to obtain a finished product. The lick brick contains the Chinese herbal medicinal ingredients of the Chinese mosla herb extract and peppermint extract, can induce perspiration and relieve summer heat, can dissipate heat, can effectively alleviate the heat stress reaction of the sheep and improves breeding efficiency.
Owner:绵阳市农业科学研究院

Chicken feed and preparation method thereof, as well as application of residual cordyceps militaris culture medium

The invention belongs to the field of feed development, and particularly relates to chicken feed and a preparation method thereof, as well as the application of a residual cordyceps militaris culture medium. The chicken feed comprises the following components in parts by weight: 25-45 parts of the residual cordyceps militaris culture medium, 10-20 parts of alternanthera philoxeroides and 10-15 parts of mulberry leaf. According to a formula of the chicken feed, feed protein resources are increased, the feed cost is reduced, the quality of eggs is improved and the breakage rate of egg shells is reduced; moreover, the heat stress response of a chicken is reduced and the number of laid eggs is increased.
Owner:XUZHOU HONGYU AGRI TECH

Replacement method of 10kV distribution network strain insulator string

The invention relates to a replacement method of a 10kV distribution network strain insulator string. An operation tool is provided. The method comprises the following steps of: detecting the operation condition of a line, installing an insulation suspender and a flexible bag, relieving the tension of a porcelain bottle string, replacing the porcelain bottle, recovering the stress of the porcelainbottle string, recovering the operation of the device, checking whether the line has no residue or not. The insulation suspender in the operation tool is employed to achieve the function of lifting the porcelain bottle when the porcelain bottle string is replaced to achieve the purposes that operators can replace the porcelain bottle string without direct contact with an electrified body to allowthe operators s to be far away from the lines and equipment with compact 10kV gaps so as o effectively reduce the electric shock risk and the heat stress reaction of the operators, fundamentally reduce the electric shock risk of the distribution network live-line operators, improve the operation efficiency and the operation safety, promote the application range of the distribution network live-line operation and ensure the power supply reliability.
Owner:STATE GRID ZHEJIANG CIXI POWER SUPPLY +1

Compound preparation for preventing and treating heat stress syndrome of beef cattle, and preparation method and use method of compound preparation

InactiveCN103417688BImprove cooling effectFacilitates multi-channel heat dissipationAnimal feeding stuffDrug compositionsDrug additiveBaical Skullcap Root
The invention provides a compound preparation for preventing and treating heat stress syndrome of beef cattle. The compound preparation comprises the following medicated raw materials in parts by weight: 200 to 300 parts of agastache, 200 to 300 parts of rhizoma atractylodis, 100 to 200 parts of hoantchy root, 100 to 200 parts of baical skullcap root, 100 to 150 parts of costustoot and 100 to 150 parts of dried orange peel; all the medicated raw materials are smashed and then mixed well. The invention further provides a preparation method and a use method of the compound preparation for preventing and treating heat stress syndrome of beef cattle. The compound preparation is based on the theory of 'Chinese veterinary medicines', is mainly formed by compounding Chinese herbal medicines, is used for replacing frequently-used antibiotics, sedative and other medicated premix to prevent and treat heat stress response of beef cattle, and has the advantages of safety, no residue, no toxicity or harm to animals, and the like. The compound preparation is particularly applicable to high-temperature and high-humidity environments in the south in summer and can be used for preventing and treating heat stress response of growing beef cattle and fattening beef cattle in summer.
Owner:JIANGXI AGRICULTURAL UNIVERSITY

Method for increasing yield of pichia pastoris foreign protein

The invention discloses a method for increasing the yield of pichia pastoris foreign protein, and belongs to the technical field of biological engineering. Through overexpression of the heat stress response related genes HSP78 and SSA3, activation of a heat stress response mechanism is promoted to help correct folding of intracellular proteins, so that the yield of pichia pastoris foreign proteins is increased. After the HSP78 and the SSA3 are over-expressed, the expression quantities of the green fluorescent protein, the lipase and the phospholipase of the strain are increased to different degrees, the expression quantity of the green fluorescent protein is increased by 50% at most, the expression quantity of the lipase is increased by 57% at most, and the expression quantity of the phospholipase is increased by 81% at most; therefore, the heat shock proteins HSP78 and SSA3 have better application value in expression of foreign proteins in pichia pastoris and improvement of the yield of the foreign proteins.
Owner:JIANGNAN UNIV
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