43 results about "Dead fetus" patented technology

The invention discloses a compound feed capable of increasing the effective litter size of sows. The compound feed is prepared from the following raw materials in parts by weight: corn, soybean meal, bran, wheat middling, soybean oil, fat powder, soybean fibers, edible salt, choline, limestone powder, calcium hydrogen phosphate, an acidifier, a mildew preventive, lysine, glutamine, rice hull powder, phytase, an enzymic preparation, a mold removal agent, an antioxidant, organic chromium, saccharomycetes, a living bacteria agent, VE, biotin, folic acid, ferrous methionine chelate, vitamin A, beta-carotene, VB2, selenium yeast, zinc yeast, N-carbamylglutamic acid, various trace mineral elements and various trace vitamins. After the compound feed is eaten by pregnant sows, the numbers of mummies, dead fetuses and scrawny piglets in the litter size are effectively reduced, and the effective live litter can be increased by 1 per litter.

The invention provides a technology for improving the survival rate and promoting quick growth of piglets and is applied to the technical field of pig breeding. According to the technical scheme provided by the invention, embryonic development of sows is good, dead fetuses are a few, birth weight is regular, number born alive is large, sow dystocia incident rate is low and milk of lactating sows is good; the survival rate of suckling piglets is high, and the growth rate is high; the weaning stress of the suckling piglets is small, the attack rate of weaned pigs is low and the growth of the weaned pigs is good. The technology is characterized by comprising a sow gestation technology, a piglet birth technology, a feeding and management technology, a weaning survival technology and a disease control technology. The invention provides the technical scheme systematically on piglet feeding, so that piglet breeding is routinized, digitalized and systematized, the production potential of the sows is fully exerted really, the effects of improving the survival rate and promoting quick growth of the newborn piglets are achieved, the sow feeding cost is reduced, the survival rate of the piglets is improved and the economic benefit of pig breeding is increased.

The invention provides a medicine which can be used to effectively treat swine high fever. The drug efficacy components are produced with the raw materials in the following parts by weight: gypsum is 100 to 200 parts, scutellaria is 80 to 150 parts, dried rehmannia root is 80 to 150 parts, moutan bark is 80 to 150 parts, atractylodes rhizome is 80 to 150 parts, phellodendron bark is 80 to 150 parts, cape jasmine is 80 to 150 parts, and rhubarb is 80 to 150 parts. Together with pharmaceutically acceptable carrier, the medicine can be produced into various dosage forms, such as powder, mixture, tablets, capsules as well as granules, etc. The medicine is suitable for symptoms of damp heat accumulation, high fever, spirit depression, inappetence, cough and dyspnea, disturbance in respiration, even pneumonia, and constipation which are caused by gradual intrusion of toxic heat into nutrient and blood, and induced weak fetus, even dead fetus and mummy fetus, etc. when the toxic heat attacks pregnant pigs. The medicine has good curative effect for weanling pigs, fattening pigs and brood sows, with up to 85 percent total effectiveness rate.

The invention discloses a method for integrated compost treatment of dead pigs and pig manure. The method comprises the following steps that after the pig manure and auxiliary materials are evenly blended according to a certain proportion, the mixed materials are shoveled by a shovel car to the ground of a compost workshop and laid 60 cm thick; the dead pigs are stacked on the materials, wherein bodies of the dead pigs are over 20 cm far away from the walls on the periphery of the workshop, if each single dead pig is over 100 kg heavy, the dead pigs need to be placed at the interval of 20 cm, and dead fetuses, afterbirth, suckling piglets and the like can be placed in groups; the bodies of the dead pigs are at least covered with 30-centimeter-thick evenly-blended materials; a stacking body is ventilated according to the ventilation quantity of 60 L / min to 100 L / min per cube; compost is fermented for 42 days, the compost is turned over in the fourteenth day and the twenty-eighth day, water can be supplemented appropriately in the compost overturning process, and muscles which are not dissolved are covered with the materials after the compost is turned over. The method for integrated compost treatment of the dead pigs and the pig manure has the advantages that harmless treatment of the dead pigs is achieved, the problem of treatment of the pig manure is solved, a special device is not necessary, a microbial agent does not need to be additionally used, operation is simple, cost is low, and secondary pollution is avoided.

The invention provides a restructing adenovirus of 2-type pig-ring virus and constructing method thereof, and the preventing appliances of pigs' relevant diseases caused by PCV2, including: augment and clone of PCV2 ORF2 genes; construction of recombinant shuttle vectors containing ORF2 genes; construction of recombinant adenovirus plasmid vectors; acquirement of recombinant adenovirus. Said recombinant adenovirus could determinately grow inside the bodies and continueously express ORF2 proteins to stimulate the organisms which generate neutralizing antibodies for ORF2 proteins, and offer endurance protection to pigs with promising future in the prevention and cure of PCV2, which could prevent efficiently poor quality of male-pig sperms, abortion, dead fetus, mummy and low production of female-pigs to increase the uniformity of pigs greatly.

The Chinese medicine consists of nine kinds of Chinese medicinal materials, including capillary artemisia, skullcap root, cape jasmine, parasitic loranthus, dodder seed, etc. It may be used in preventing and treating habitual abortion and dead fetus caused by ABO blood group incompatibility and RH blood group incompatibility between pregnant woman and fetus, and preventing and treating hyperbilirubinaemia encephalopathy of newborn baby caused by newborn baby hemolysis.

The invention belongs to the technical field of pig breeding, and particularly relates to a pig feed additive capable of improving the immunity of a pig. The pig feed additive comprises the following raw materials in parts by weight: 10-15 parts of tea saponin, 10-15 parts of bamboo leaf flavone and 3-5 parts of a black fungus bacteria powder. The invention provides the pig feed additive capable of improving the immunity of the pig. The source of the raw materials is wide, the cost is low, the appetite of the pig can be improved, the growth speed and the growth quality of a piglet are improved, and the own immunity of the pig is improved. After the piglet eats a feed with the pig feed additive provided by the invention, the weight of the piglet can be increased by 500g, the diarrhea rate is greatly reduced, the pregnancy rate of a sow can be effectively improved, the birth weight of the piglet is heavy, the number of weak piglets and dead fetuses is decreased, the pig feed additive has a good feeding value, and the feeding effect and the benefit can be effectively improved.

The invention discloses composite traditional Chinese herbal medicine powder for healthcare of sows in perinatal periods. The composite traditional Chinese herbal medicine powder consists of the following components in percentage by mass: 2-7% of motherwort, 5-10% of Chinese mahonia, 2-8% of folium artemisiae argyi, 5-10% of prepared rehmannia roots, 1-6% of folium isatidis, 4-10% of angelica sinensis, 4-9% of atractylodes macrocephala, 3-8% of radix paeoniae alba, 3-9% of dandelion, 3-7% of carthamus tinctorius, 2-7% of uniflower swisscentaury roots, 4-8% of scutellaria baicalensis, 2-10% ofligusticum wallichii, 1-7% of immature bitter oranges, 1-6% of dried licorice roots soaked in excrement, 5-15% of vaccaria segetalis and 3-10% of lance asiabell roots. The composite traditional Chinese herbal medicine powder has the functions of preventing too long birth courses of sows, reducing dead fetuses and weak piglets in the birth process, improving the vitality of born piglets and promoting postpartum recovery of the sows.

The invention discloses an artificial auxiliary breeding method of tigers. Formula milk powder of tigerling and the nutrition additive formula for the tigers like South China tigers in the breeding period are adjusted, by adding probiotics, digestive enzymes, DHA, vitamin and microelements, the problems that the feed formula cannot meet the growth and development requirement of the tigerling and the tigerling cannot well absorb and digest the feed are solved emphatically, the survival rate of 0-120-day-old newborn tigerling reaches 90%, and the survival rate of 1-year-old young tigers reaches90%; meanwhile, a nutritive additive is added to the tigers in the breeding period, so that the pregnancy rate of the mated South China tigers reaches 50% or above, and the occurrence rate of dead fetus or weak fetus is lower than 30%.

The invention relates to a functional clean daily food special for sows at the pregnancy later period. The functional clean daily food comprises corn, barley, soya bean meal, soya-bean oil, imported fish meal, rock powder, calcium hydrophosphate, sodium chloride, montmorillonite, flour, cassava dregs, bran, alfalfa meal, wood fibers excepted for cassava dregs, fructose, vitamin premix, microelement premix and traditional Chinese medicine premix in certain content. According to the functional clean daily food, according to the variation of the physiological requirements of the sows at the pregnancy later period, the contents of all the components are reasonably matched, daily food nutrient regulation is carried out, preparation of labor onset is earlier started, the labor stage is effectively shortened, and the proportion of weak piglets and dead fetuses is decreased; the birth weight and the uniformity degree of the piglets and the colostrum component content are increased. According to the functional clean daily food, the traditional Chinese medicine ingredients are led in, the livers of the sows at the pregnancy later period are protected, the initiative detoxification and metabolic capability of the livers for mycotoxin are improved, and the immunologic function of whole systems of the sows at the pregnancy later period is fundamentally improved.

The invention relates to a high-fiber sow feed capable of tranquilizing spirit and protecting fetus and a preparation method thereof. The high-fiber sow feed capable of tranquilizing spirit and protecting fetus comprises corn, bean pulp, soybean hulls, rice bran meal, enteromorpha powder, stone powder, calcium hydrogen phosphate, a compound vitamin premix, a compound trace element premix, choline,anti-stress additives, ionic salt, probiotics and Chinese herbal medicine additives. The invention also provides a preparation method of the high-fiber sow feed capable of tranquilizing spirit and protecting fetus, and the high-fiber sow feed capable of tranquilizing spirit and protecting fetus prepared by the preparation method can increase the satiety of sows, reduce the agitated behavior and activity of sows, tranquilize spirit, protect fetus, relax bowels, reduce sow constipation and shortensow production process on the basis of increasing the feeding amount of pregnant sows, and at the same time, can also improve the litter size of sows, improve the birth weight of piglets, reduce faint litter rate and dead fetus rate, increase the feed intake of sows in the lactation period, and overcome various defects and deficiency of common pregnant sows in the current market.

The invention discloses a pregnant black pig feed and preparation method thereof. The pregnant black pig feed comprises the following raw materials in part by weight: 180-200 parts of corn flour, 120-140 parts of barley flour, 80-90 parts of animal liver powder, 70-80 parts of tartary buckwheat flour, 50-60 parts of perilla frutescens cake powder, 40-50 parts of flax cake powder, 40-50 parts of high salvinia natans, 30-50 parts of peanut seedlings, 30-40 parts of trigonotis peduncularis, 10-20 parts of chenopodium album, 20-30 parts of semen canavaliae, 15-20 parts of watermelons, 25-35 parts of fine bran coat powder, 12-14 parts of shell powder, 30-40 parts of degreased milk powder, 2-4 parts of chyle fat, 5-6 parts of uncongealed beancurd, 1-2 parts of astragalus sinicus honey, 0.5-1 part of angelica oil, and 0.5-1 part of black pig nutrient. The feed is nutrient and healthy, and delicious, the product is safe and is free from toxicity; the feed is capable of providing nutrition substances such as sufficient protein, fat, carbohydrate, vitamin and mineral substance for the pregnant black pig so as to guarantee the normal growth of the fetus and reduce the abortion, weak fetus and dead fetus, and then promote the cultivation benefit of the black pig.

The invention discloses an anti-breeding rodenticide. Melia azedarach oil is served as an anti-breeding agent, and the weight percent of the melia azedarach oil in the anti-breeding rodenticide accouts for 0.08%-0.1%. Through researching the intrinsic rules and hormone regulation mechanism of mouse breeding as well as studying the toxicological and function mechanism of a vegetable anti-breeding agent, ideal anti-breeding agent-melia azedarach oil is screened. The anti-breeding rodenticide is low in effective dosage, makes mice infertile, and has the advantages of low toxicity index, high safety, no harm to human being and animals and no secondary poisoning. After the anti-breeding rodenticide is eaten 10 days later, main reproductive organs-testicles of male mice generate the following variation: the organ coefficient gets small, the sperm amount is reduced, the seminiferous tubule diameter is thinned, lumens are reduced, germinal epithelium thickness is thinned, and interstitial cells are decreased; and ovarial organ coefficient of female mice is obviously reduced, and the corpus luteum in an ovarial structure is contracted. Dead fetus are increased after male and female mice coition, and the breeding number is greatly decreased.

The invention discloses a traditional Chinese medicine folium isatidis, radix isatidis and gypsum oral liquid for treating swine high fever and a preparation method of the traditional Chinese medicine folium isatidis, radix isatidis and gypsum oral liquid. The traditional Chinese medicine folium isatidis, radix isatidis and gypsum oral liquid disclosed by the invention is prepared from the following traditional Chinese medicine raw materials in parts by weight: 50-250g of unprocessed gypsum, 50-250g of folium isatidis, 50-250g of radix isatidis, 50-250g of dried rehamnnia roots, 50-250g of radix et rhizoma rhei, 50-250g of cortex moutan and 50-150g of radix paeoniae rubra. The traditional Chinese medicine folium isatidis, radix isatidis and gypsum oral liquid disclosed by the invention is applicable to treatment on symptoms such as weak fetuses or even dead fetuses and mummy fetuses caused by continuous high fever, depressed mind, appetite desuetude, cough and asthma, unsmooth breath or even pneumonia, constipation and heat toxin invasion of pregnant pigs as dampness and hotness stasis are resulted and heat toxin invades defensive qi and ying blood step by step.

The invention discloses pregnant sow micro-storage fermentation feed and a preparation method thereof. The micro-storage feed is prepared from the following ingredients in percentage by mass: 15 to 50 percent of crop straws, 10 to 25 percent of farm product residues, 30 to 70 percent of astragalus plants, 0.05 to 0.2 percent of microbial strains, 0.1 to 0.2 percent of cellulase and 0.7 to 0.9 percent of salts. The preparation method of the pregnant sow micro-storage fermentation feed comprises the following steps that straws and farm product residues are pretreated and are then crushed; microbes, enzymes and the like are added; stage-by-stage stirring and uniform mixing, and packaging are performed; aerobic anaerobe and anaerobic fermentation is performed. The micro-storage feed has the advantages that crude fiber can be effectively degraded; the protein content is increased; various organic acids are generated; the feed palatability is improved; the use of antibiotics in the pregnant period can be reduced; the health development of the fetus is promoted; the litter number, the piglet birth weight and the regularity degree are improved; the dead fetus, the mummified fetus, the teratosis fetus and the like can be reduced. In addition, the preparation method is simple; the fermentation speed is high; the industrial production can be realized; products cannot easily decay; the transportation and the popularization are easy.

The invention discloses a feed additive capable of improving the farrowing rate of a pregnant sow. The feed additive comprises the following components in parts by weight: 99 parts of Chinese herbal medicines and 1 part of vitamins, wherein the Chinese herbal medicines comprise the following components according to mass percent: 20%-40% of houttuynia cordata, 30%-40% of isatis root and 30%-40% of scutellaria baicalensis; the vitamins comprise vitamin A, vitamin D3 and vitamin E in a weight ratio of 5:1:3. The invention also discloses a method for preparing the feed additive. The method comprises the steps of superfine grinding of the Chinese herbal medicines and three-dimensional mixing of the vitamins and the Chinese herbal medicines. The feed additive can improve the immune function of a sow body, reduce the occurrence probability of abortion, stillbirth and mummified pigs, increase the embryo survival rate and enhance the fetus protection ability of the sow body.

The invention discloses feed for late pregnancy of sows and a feeding method. The feed is characterized by being prepared from the following components in parts by weight: 55 to 65 parts of corn, 15 to 25 parts of soybean meal, 5 to 10 parts of wheat bran, 1 to 2 parts of soybean oil, 1 to 2 parts of glucose, 0.5 to 1 part of table salt, 1 to 2 parts of mountain flour, 1 to 2 parts of dicalcium phosphate, 0.3 to 0.5 part of lysine, 0.4 to 0.8 part of threonine, 4 to 7 parts of dietary fiber, 2 to 4 parts of plant extract, 0.1 to 0.3 part of choline chloride and 3 to 4 parts of sow compound premix. According to the feed disclosed by the invention, when the seed is used for producing by comprehensively considering physiological characteristics of pregnancy, the oxidative stress of the late pregnancy of the sows can be alleviated, the rate of weak piglets and dead fetuses of the sows is reduced, the quantity of healthy piglets is increased and the production benefits are easy to improve;the oxidative stress of the late pregnancy can be alleviated and the pregnancy metabolism is alleviated at maximum, so that the oxidative stress of the late pregnancy of the sows is alleviated and thefetal birth health and uniformity are ensured; furthermore, certain antibiotics are replaced with the plant extract in the product, so that the addition of medicines in the feed is greatly reduced.

The invention discloses a food recipe for a special diet capable of assisting in pregnancy of females and a preparation method thereof, belonging to the field of special dietary food. according to thefood recipe, black-bone chicken polypeptide, peach kernel polypeptide, collagen peptide, soybean peptide, corn oligopeptide, wheat oligopeptide and casein phosphopeptide are used as basic raw materials; both medicinal and edible raw materials such as kudzu vine roots, lotus seeds and Rhizoma Polygonati are added; Saussurea involucrata culture, yacon extract, sea buckthorn extract and the like areused as auxiliary materials; and trace vitamin mineral complex powder and brown sugar are also used, thereby forming the food recipe for the special diet. A formulated product is prepared by pretreatment (including cleaning, enzymatic hydrolysis, leaching, etc.), pulverization, sieving, mixing and the like of the above raw materials. The components of the recipe are edible raw materials. The special dietary food prepared according to the recipe is capable of improving progesterone, estradiol and luteinizing hormone and blood follicle stimulating hormone indexes, increasing the number of fetuses, reducing the rate of stillbirth, has high safety, no toxic and side effects, low fishy smell, low bitter taste and good taste and can be eaten for a long time.

The invention provides application of GlcN in shortening the birth process of female animals. And in the last month of the pregnant female livestock, adding the glucosamine into the feed every day according to 18-30g per female livestock per day, and feeding the female livestock with the glucosamine per female livestock per day. The invention provides a novel application of glucosamine, and the glucosamine is used for shortening the delivery process of female animals, shortening the delivery time of the animals, reducing the probability of stifling caused by suffocation death of the animals in the delivery process in the process of staying in the birth canal, and reducing the death of fetuses.

The invention provides a gestation period feed additive for improving reproductive performance of sows and a feed thereof. The feed additive is characterized in that every kilogram of feed for the sows in the gestation period contains 80mg of lycopene. The gestation period feed for improving the reproductive performance of the sows comprises the following components in percentage by weight: 67.492percent of corn, 13.500 percent of wheat bran, 16.000 percent of bean pulp, 1.100 percent of mountain flour, 1.000 percent of calcium hydrophosphate, 0.400 percent of salt, 0.350 percent of trace element premix, 0.150 percent of vitamin premix and 0.008 percent of lycopene. The problems of small litter size of the sows, more dead fetuses, intrauterine growth retardation of fetuses and the like are solved, and the total litter size, live litter weight and placenta weight of the sows are obviously improved.

The invention provides an SNP molecular marker located on a pig chromosome 14 and related to the dead fetus number and the healthy birth rate of a sow and application of the SNP molecular marker. The locus of the SNP molecular marker corresponds to T-exceeding-C mutation at the 109497913bp position on the 14 chromosome of the version 11.1 of an international pig reference genome. The molecular marker is obtained through whole genome correlation analysis, and the characters of the dead fetus number and the healthy birth rate of the sow can be remarkably influenced. The invention further provides a primer pair for detecting the molecular marker. An efficient and accurate molecular marker assisted breeding technology can be established through the molecular marker and the primer pair and applied to character genetic improvement of the dead fetus number and the healthy birth rate of the sow, and therefore the dead fetus number of the sow is decreased, the healthy birth rate is increased, and then the reproductive performance of the reproductive sow is improved.

The present invention relates to the modern biological technological process of preparing hemotopoietic stem and ancestral cell suspension for clinical hematopoietic stem and ancestral cell transplantation and treatment of relative diseases. The said biochip product is prepared from donative dead fetus over 22 weeds age through separation and extraction and consists of two parts of fetus marrow hemoatopoietic stem and ancestrall cell suspension and fetus liver hematopoietic stem and ancestral cell suspension. The preparation includes the steps of low temperature maintenance of dead fetus at 0-10 deg.c for 1-16 hr, drawing blood for relevant detection, dissection to take fetus bone and fetus liver, maintenance and culture liquid for 1-12 hr, separation and extraction to obtain the hematopoietic stem and ancestral cell suspension for clinical application directly or after being freeze dried.

The invention provides a novel sow transferring method for segmented feeding, and belongs to the technical field of animal breeding. The sow transferring method comprises the following steps: step 1, estrus checking is conducted on sows to be bred in a breeding house, and the sows are bred after estrus; step 2, B-ultrasonic pregnancy identification is performed on the sows 20-30 days after breeding, and the sows are transferred to a pregnancy house for feeding after pregnancy is confirmed; step 3, after 75-85 days of pregnancy, whether the pregnant sows are nonpregnant or not is determined again, the pregnant sows are transferred to a heavy fetal house for feeding, and preparing to increase the fetus weight; and step 4, after 90 days of pregnancy, fetus weight increase is started till one week before parturition, and the sows are transferred to a delivery room for delivery. The sows are transferred twice in the pregnancy period, so that the average birth number of malformed fetuses, the average birth number of dead fetuses and the midwifery rate of the sow are obviously lower than those of the existing sow which is transferred once in the pregnancy period; and the breeding and delivery efficiency and the farrowing efficiency of the sows which are transferred twice in the pregnancy period are higher than those of the sows which are transferred once in the pregnancy period, and the farrowing process is smoother.

The invention discloses a preparation method of a traditional Tibetan medicine for treating chronic gastritis, which comprises the following step: carrying out mixed pulverization, or water extraction-alcohol precipitation or alcohol extraction-water precipitation on halite, Purpurea Halitium, dried ginger, fructus piperis longi, pepper, myrobalam, cinnamon, Glauber's salt, kummel and alpine bistort according to parts by weight to prepare the active component, wherein the traditional Tibetan medicine can be prepared into any common oral preparation formulation. The traditional Tibetan medicine has the functions of promoting digestion and resolving stagnation. The traditional Tibetan medicine is used for treating atrophic gastritis, superficial gastritis, retention of food, reversal of excrement, dead fetus, mazischesis and the like.

The invention discloses a composition for improving the pregnancy pet reproductive performance, a product and a preparation method thereof, and relates to the technical field of a pet product. The composition for improving the pregnancy pet reproductive performance is prepared from a uterus nutrition regulating agent and an immunomodulator, wherein the uterus nutrition regulating agent is preparedfrom arginine poietin, mercaptamine and lycine; the immunomodulator is prepared from radix astragali powder, chitosan oligosaccharide and tea polyphenol. The composition for improving the pregnancy pet reproductive performance has the advantages that the pregnancy pet physique is enhanced; the stillbirth quantity is reduced; the birth average weight is increased. The invention also discloses a product for improving the pregnancy pet reproductive performance. The product has the same function as the composition for improving the pregnancy pet reproductive performance. In addition, the invention also discloses preparation methods of the composition for improving the pregnancy pet reproductive performance and the product for improving the pregnancy pet reproductive performance. The raw materials in the two preparation methods do not need complicated treatment; the requirement of large-scale equipment is not needed; the cost is low; the operation is simple and convenient; the popularization and application in industry are convenient.

The invention discloses a traditional Tibetan medicine for treating chronic gastritis, which is prepared from an active component or an active component and pharmaceutically acceptable auxiliary materials, wherein the active component is prepared from halite, Purpurea Halitium, dried ginger, fructus piperis longi, pepper, myrobalam, cinnamon, Glauber's salt, kummel and alpine bistort according to certain parts by weight. The traditional Tibetan medicine can be prepared into any common oral preparation formulation. The traditional Tibetan medicine has the functions of promoting digestion and resolving stagnation. The traditional Tibetan medicine is used for treating atrophic gastritis, superficial gastritis, retention of food, reversal of excrement, dead fetus, mazischesis and the like.

The invention relates to functional clean daily ration for improving health of pregnant sows and improving reproductive performance of the pregnant sows. The clean daily ration contains wood fiber made of a mixture of manioc waste, beet pulp and apple pomace, and the additive amount of the wood fiber and the mass ratio of the manioc waste to the beet pulp to the apple pomace in the wood fiber are controlled. According to the clean daily ration, the content of mycotoxin in compound feed is reduced remarkably, the crude fiber level and structure of the daily ration are improved, and the daily ration has an exact effect on improving constipation of the pregnant sows; a traditional Chinese medicine component is introduced into the clean daily ration, the livers of the pregnant sows are protected, active detoxifying and metabolic capability to mycotoxin of the pregnant sows is improved, the pH value of faeces and the number of escherichia coli are reduced, the number of lactobacilli is increased, and the immunologic function of the overall system of the pregnant sows is improved fundamentally; the clean daily ration improves the reproductive performance of the pregnant sows, increases live piglet delivery number, and reduces the number of weak piglets and stillborn foetuses.

The invention discloses feed for a pregnant sow. The feed is characterized by being prepared from raw materials in parts by weight as follows: 120 parts of corn residues, 90 parts of bean dregs, 90 parts of wheat bran, 65 parts of sorghum flour, 25 parts of vegetable residues, 13 parts of Chinese yam, 13 parts of sesame, 18 parts of shiitake mushrooms, 7 parts of hair weeds, 13 parts of fructus lycii, 8 parts of fructus crataegi, 8 parts of cornus officinalis, 12 parts of Chinese dates, 6 parts of angelica sinensis, 3 parts of malic acid, 18 parts of plant oil, 2 parts of liver powder, 2 parts of calcium hydrophosphate, 1 part of yeast, 1 part of cellulomonas, 3 parts of fine sugar and a proper amount of table salt through mixing. The sow fed on the feed gains weight rapidly, does not get sick, is full of vigor, active in foraging and has glowing skin, and the weight of the sow can increase by 46% or above than that of sows fed on conventional feed. Piglets delivered by the sow fed on the feed is about 2 liang heavier than those delivered by the sows fed on conventional feed, have no abnormalities and have no dead fetus, and the feed is suitable for popularization.

The invention aims to provide a pure traditional Chinese medicine additive for preventing reproductive comprehensive symptoms of sows. The pure traditional Chinese medicine additive for preventing reproductive comprehensive symptoms of sows is prepared from the following traditional Chinese medicines: angelica sinensis, teasel roots, bighead atractylodes rhizomes, caulis spatholobi, malt, poria cocos, red dates, Indian kalimeris herb, Chinese yams, rheum officinale and dandelions. The pure traditional Chinese medicine additive has effects of enriching qi and blood of sows, promoting development of reproductive accessories such as uterus and ovary, maintaining normal physiological functions, and protecting and nourishing fetus, improves disease resistance and toxin resistance of organisms,relieves toxicity of toxins to the reproductive accessories, well relieves a series of reproductive comprehensive disorders of sows such as non-oestrus, fake oestrus, infertility, fetus insufficiency,stillbirth, mummy fetus, long birth process, little piglets and weak piglets caused by deficiency of qi and blood, toxin accumulation, virus recessive infection, low reproductive organ function and the like in clinical use, can effectively improve a mating rate, a conception rate and a litter size of sows, and prevents the occurrence of reproductive disorder comprehensive syndromes of sows.

The invention relates to a feed additive capable of improving farrowing and milk production performances of breeding fur-bearing animals and a preparation method of the feed additive. The additive is prepared from the following components in parts by weight: mannan oligosaccharide, natural active saccharomycetes, lactobacillus, bacillus, lysozyme, ethoxyquin, plant essential oil, an organic mineral substance additive, vitamin B12, vitamin E, vitamin C, calcium gluconate and dried corn flour. According to the feed additive, muscle twitches can be effectively reduced, muscle contraction is enhanced and young animals can be rapidly delivered; the delivery time is shortened, dead fetuses caused by suffocation are reduced and the number born alive is improved; pathogenic bacteria are effectively inhibited and female urethritis and birth canal inflammation are reduced; the food intake is improved after the breeding fur-bearing animals delivery the young animals and the disorder syndromes after delivery are reduced; and the food intake is good, the milk amount is great, more alive young animals are delivered, the delivery is smooth, the milk secretion is good and the young animals can smoothly grow.