108results about How to "Increase estrus rate" patented technology

The invention discloses a pregnant sow feeding mode and belongs to the technical field of sow breeding. Aiming at physiological characteristics and nutritional requirements of sows during gestation period, the physiological stage of pregnant sows is further subdivided, the nutritional requirements of the pregnant sows at each stage per day are specified, and the body conditions, feeding environments and the like of different pregnant sows are combined. Meanwhile, aiming at the physiological characteristics and feeding modes of the pregnant sows at each stage, pregnancy beginning feed, pregnancy first-half-period feed, pregnancy second trimester feed, pregnancy latter half feed and perinatal feed are scientifically compounded. A reasonable, detailed and scientific feeding mode is formulated, the motion quantity of the pregnant sows can be effectively improved, the nutrient substances are accurately and timely supplied, the functions of the digestion and absorption system and immune system of the pregnant sows are promoted and improved, the number of living piglets is obviously increased, the embryo mortality is reduced, and the birth weight and uniformity of piglets are improved.

The invention discloses a pig feed and application thereof, belonging to the technical field of sow feeding. Physiological stages of a pregnant sow are further subdivided and detailed according to physiological characteristics and nutritional requirements of the sow during a pregnancy period, the feed suitable for each stage is provided according to the nutritional requirements of the pregnant sow at each stage each day, and a reasonable and detailed feeding method is designed by combination with body conditions, feeding environments and the like of different pregnant sows, so that the exercise of the pregnant sow can be effectively increased, nutritional substances can be accurately and timely fed, the functions of a digestive absorption system and an immunity system of the pregnant sow can be promoted and improved, the number of living piglets is remarkably increased, the embryo mortality is reduced, the birth weight of the piglets is increased, and the uniformity of the piglets is improved.

The invention relates to a premix for improving the reproductive performance of fur animals, comprising trace element semi-finished product and a vitamin semi-finished product. The trace element semi-product is prepared from the following components: 10-40 parts of amino acid Fe-chelate, 10-50 parts of amino acid zinc chelate, 20-40 parts of amino acid manganese chelate, 5-20 parts of amino acid copper chelate, 1-8 parts of amino acid selenium chelate and 125-135 parts of zeolite powder; the vitamin semi-finished product is prepared from the following components: 2-8 parts of vitamin A, 1-4 parts of vitamin D, 15-35 parts of vitamin E, 30-70 parts of dihydropyridine, 10-20 parts of methionine and 100-125 parts of corn protein powder; and the two semi-products are uniformly mixed accordingto the ratio of 1: 1 to obtain the final product. The premix is applicable to a hybridization preparation period, a gestation period and a lactation period of foxes, minks and raccoons. By feeding the premix provided by the invention, reproductive performance of foxes, minks and raccoons, oestrus rate, conception rate, number born and survival rate of weaning cubs can be improved.

The invention relates to the technical field of animal feed, in particular to a compound pre-mixed material for dairy cows in the post-perinatal period and application thereof. The compound pre-mixed material consists of iron sulfate, manganese sulfate, zinc sulfate, copper sulfate, 1-percent potassium iodide, 1-percent cobalt sulfate, 1-percent sodium selenite, vitamin A, vitamin D, vitamin E, glucose, coated choline, rumen bypass fat, nicotinic acid, vitamin C, yeast cultures, organic chromium, dihydropyridine, sodium bicarbonate, and a carrier. The compound pre-mixed material can be safely and conveniently used, obviously improve an effective conception rate and oestrus rate of the dairy cows, reduce non-pregnant days of the dairy cows, shorten a claving interval of the dairy cows, enforce the body recovery of the dairy cows after delivery, lowers a culling ratio of the dairy cows, prolong a use period of the dairy cows, improve a feeding level of the dairy cows, and increase economic benefits of dairy cow farmers; and the compound pre-mixed material also has the advantages of easy source of raw materials, lower cost, obvious effect, easy popularization and wide application prospect, and is specially used for feeding the dairy cows in the post-perinatal period.

The invention relates to an agricultural livestock breeding technology, in particular to a sow feeding method for increasing the survival rate of piglets in the suckling period. The method includes the steps that after delivery of sows, the sows are fed with compound feed 3 times each day at the time interval of 4 hours or longer; the sows are fed with 2.5 kg of compound feed on the first day after delivery, the feeding amount is increased by at least 0.5 kg each day afterwards and is increased by at least 1 kg each day from the sixth day, and the feeding amount reaches 6.5 kg-7.5 kg on the eighth day and is kept till the piglets are weaned on the twenty-fifth day; from the first day to the twenty-fifth day after delivery of the sows, the sows drink water freely. The compound feed comprises corn flour, peeled soybean meal, imported fishmeal, tapioca flour, sweet potato leaf flour, microbial addictives, calcium hydrophosphate, plasma protein powder, astragalus polysaccharide, bentonite and premix. The feeding method is scientific and reasonable; in combination with the compound feed, in the suckling period, the sows grow healthily, and the survival rate of the piglets is obviously increased.

The present invention relates to a milk cow feed, in particular to a premix which can increase the reproductive performance of the milk cow. The technic proposal of the premix is that ferrous amino acid, zincous amino acid, manganic amino acid, cupreous amino acid, selenic amino acid and calcinol are mixed with the zeolite powder to form a microelement semi-finished product; the vitamin A, vitamin D, vitamin E and dihydropyridine are mixed with the corn powder to form a vitamin semi-finished product which is used as raw material; and then the final product of the present invention is made by evenly mixing the microelement semi-finished product and the vitamin semi-finished product with the zeolite in a proportion of 3:2:5. The present invention is suitable for milk cow in yeld period, breeding cow and milk cow in primary matting without milk period. The additive rate is 1 percent of the concentrate supplement material. The reproductive performance of the milk cow feeding with the present invention is improved, the oestrus rate is improved by 5 percent to 15 percent, the pregnancy rate is improved by 11 percent and the one-off matting pregnancy rate is improved by 6 percent to 8 percent.

The invention belongs to the technical field of feeds, and discloses a feed capable of improving the productive performance of lactating sows and a feeding method thereof. The feed comprises 5wt%-10wt% of beet pulp. The beet pulp is added into the feed, so as to reduce the cost of feed, increase the level of digestible fiber in feed, and improve the productive performance of lactating sows. Experiments show that: feeding the sows with the feed according to the feeding method can effectively improve the productive performance of lactating sows, obviously increase the average daily feed intake of lactating sows, simultaneously increase the average weaning weight of piglets, the piglet weight at weaning, the average daily gain of piglets and the daily lactation yield of lactating sows, shorten the interval between ablactation and oestrus of lactating sows, and increase the oestrus rate in 10 days after ablactation.

The invention discloses a compound feed for sows during the perinatal period. The compound feed for sows during the perinatal period comprises the following ingredients: corn, soybean meal, beet meal,soybean peel, puffed linseeds, soybean oil, super steamed fish meal, sugarcane molasses, calcium hydrogen phosphate, stone powder, sodium chloride, a compound premix for sows during the perinatal period, a hydroxyl-vitamin D3 premix, a Chinese herbal medicine preparation, a compound acidifying agent, L-lysine sulfate, choline chloride, isommaltooligosaccharides, threonine, methionine, phytase, and ethoxyquin. The compound feed for sows during the perinatal period disclosed by the invention is capable of reducing usage of antibiotics in a breeding process, maintaining intestinal health and birth canal health, and decreasing constipation so as to effectively shorten the production process of sows as well as reduce incidence of inflammation; and thus, reproductive performance of sows can befurther improved so as to achieve reduced weak piglet rate and increased weaning weight of the piglets, as well as improved estrus rate of sows within 7 days of weaning.

The invention provides a method for reproducing baby rabbits in burrows. The burrow is provided with an entrance, an exit, a reproduction cavity and cover and a born rabbit tray, which is fabricated in situ or prefabricated, and is placed underground, semi-underground or on the ground at one side of a cage. The female rabbits give birth in the reproduction cavity and the baby rabbits grow and develop in the reproduction cavity. The burrows adopted in the method can simulate the ecological environment of the natural caves so as to be warm in winter and cool in summer and have appropriate humidity, are convenient for repetitive fabricating and factory production, are convenient for cleaning, washing and sterilizing, overcome artificial interference, can improve growth and development as well as growth velocity and health level of the baby rabbits and reduce occurrence of diseases. The female rabbits can give birth for multiple times in the burrows in a year, thus increasing the reproductive output. The method of the invention is suitable for rabbit breeding and reproduction.

The invention relates to feed for artificially raising forest musk deer and a preparation method thereof, and relates to the technical field of feed for artificially raising animals and a preparationmethod. The invention provides the feed for artificially raising the forest musk deer and the preparation method thereof. The feed for artificially raising the forest musk deer is particle feed prepared from coarse feed, fine feed, traditional Chinese herbal medicine and feed additives, and is characterized in that according to the mixing proportion of the coarse feed, the fine feed, the traditional Chinese herbal medicine and the feed additives, the coarse feed accounts for 60 to 70 weight parts; the fine feed accounts for 30 to 40 weight parts; the feed additives account for 1 to 5 parts; the traditional Chinese herbal medicine powder accounts for 1 to 5 weight parts. The feed has the functions of improving the feed palatability, improving the breeding rate and musk yield, and improvingthe feed intake; in addition, the feeding is convenient and sanitary; the storage is easy; the nutrition is balanced; the picky eating can be effectively avoided; the morbidity of the forest musk deeris reduced; the raising cost is reduced; the feed is suitable for large-scale industrial culture. The preparation method is simple; the finished product rate is high.

The invention provides a family farm pig feeding method and feeding set meal, and belongs to the technical field of feed and livestock breeding. The family farm pig feeding method comprises a sow feeding stage and a piglet feeding stage, feed types for sows and piglets are defined according to different physiological periods of the sows and piglets in each stage, thereby maximally improving the reproductive performance of the sows, improving the growing performance and survival rate of the piglets, and improving the pig farm breeding benefits. The invention also provides the family farm pig feeding set meal. The family farm pig feeding set meal comprises embryo nourishing sow compound feed, lactating sow compound feed, piglet compound feed, liquid fermented feed and piglet prophase feed. The feeding set meal entirely can effectively increase the weaning weight of the piglets, reduce the death rate of the piglets, improve the piglet uniformity (weight distribution range), improve the milking capacity of the sows, slow down parent weight loss, increase weaning 7-day estrus rate of the sows, reduce the diarrhea rate of weaned piglets, and increase the growth rate of the piglets.

The invention discloses a medicine for improving the production performance of a sow and a preparation method and application thereof, and belongs to the technical field of veterinary medicines. The medicine for improving the sow production performance is prepared from 2 to 10 parts by weight of vitamins, 4 to 15 parts by weight of plant extract, 2 to 6 parts by weight of an enzyme preparation, 2to 6 parts by weight of amino acids, 1 to 5 parts by weight of a microbial ecological agent and 1 to 6 parts by weight of mannooligosaccharide. The medicine is easy to use, is effective and safe, hasno residue, effectively reduces the sow production process, promotes the postpartum recovery of the sow, improves ovulation, prolongs the sow production life, promotes the sow mammogenesis and milk secretion, improves milk quality, improves the sow production quality, improves the survival rate of the piglet through use in a lactation period and guarantees the healthy and fast growth of piglets.

The method provides a method for inducing cows to regularly ovulate for artificial insemination, which comprises the following steps: intramuscularly injecting 0.4-0.6 mg of PGF2alpha in any day (the 1st day) of the cow estrus cycle; intramuscularly injecting 0.4-0.6 mg of the PGF2alpha from the 13th to the 16th day; intramuscularly injecting 100 mu g of GnRH from the 28th to the 30th day; intramuscularly injecting 0.4-0.6 mg of the PGF2alpha from the 35th to the 37th day; intramuscularly injecting 100 mu g of the GnRH from the 38th to the 40th day; and carrying out the artificial insemination on the cows 16-18 hours after injecting the GnRH. The method of the invention can regulate the follicular generating wave in the cow ovary and the ovulation time, and the artificial insemination can be directly carried out without the estrus diagnosis, thereby overcoming the defect of difficulty in observing estrus, being beneficial to enhancing the estrus rate and the conception rate of cows, shortening the interval between the parturition and the next pregnancy and providing convenience for management of cow production.

The invention discloses a handling method for estrus synchronization of yaks. The handling method includes: organizing yak groups with the estrus synchronization; one month before the estrus synchronization, supplementarily feeding the organized yak groups with the estrus synchronization on a microelement of salt licks, wherein the supplementary feeding amount of each yak ranges from 50g to 80g per day; subjecting the female yak groups to intramuscular injection of Vitamin AD with the injection volume of 5ml per yak; placing CIDR in female yaks with a special bolt discharge device; on the 8th day after the CIDR is placed, subjecting the yak groups to injection of cloprostenol of PG, wherein the injection volume ranges from 0.2mg to 0.4mg per yak; on the 3rd day after injection of the PG, taking out the CIDR from the yak groups; subjecting the yaks with the estrus synchronization and teasing male yaks to group feeding, taking mounting behaviors which are stably received from the male yaks or other yaks as estrus characteristics, and performing twice semen deposition on each yak. By the handling method, matching rate and pregnancy rate of the yaks can be increased, mating period can be shortened, infertility can be reduced, reproductive rate can be improved, labor and resource consumption are reduced, the artificial insemination technology can be carried out beneficially on the yaks, and organization of reproduction can be facilitated.

The invention relates to the technical field of sow feed premixes, in particular to a premix feed for increasing the weaning estrus rate and the mating and farrowing rate of an empty sow and a preparation method of the premix feed. As for the premix feed, through reasonable compatibility of Chinese herbal medicines, and reasonably addition of trace nutritional factors, the Chinese herbal medicine components are mutually combined with the trace nutritional factors to generate action, so that the quality of ovum of the empty sow is effectively improved, the postweaning estrus days of the empty sow are lowered, and the mating and farrowing rate of the empty sow is increased.

The present invention discloses organism regulating and body rejuvenating fermented soybean meal for sows in a non-pregnant period and a preparation method thereof. The fermented soybean meal can provide balanced and comprehensive nutrition for the non-pregnant sows, help improve weak body constitution of the sows, promote physical recovery and body rejuvenation, maintain fatness of the sows in the non-pregnant period to be moderate, regulate the reproductive function of the sows in the non-pregnant period, promote normal estrus and improve estrus rate of the sows, promote ovulation of high-quality and strong eggs, improve breeding rate and conception rate after the breeding, and increase litter size of the sows. The feed is sour, fragrant and palatable, and delicious in tastes, the sows like to take food, the feed is good in quality, the action effects are obvious, the preparation technology is unique, and the feed is easy to preserve.

The invention relates to a Chinese herbal medicine nanometer feed additive, and a preparing method and application thereof.The Chinese herbal medicine nanometer feed additive is prepared from folium artemisiae argyi, ginger, hawthorn fruit, astragalus membranaceus, honeysuckle flowers, fructus forsythiae, folium isatidis, great burdock achene, purslane, houttuynia cordata, common yam rhizome and polygonum multiflorum.The preparing method mainly comprises the biological fermentation technology and the nanometer wall-breaking technology.Chinese herbal medicinal ingredients are adopted as the main raw materials of the Chinese herbal medicine nanometer feed additive, the side effect is small, the situation that pathogenic microorganisms in the organism generate tolerance and drug resistance can not be caused easily, drug residues in the animal bodies are avoided, and animal food safety is guaranteed.According to the method, bitterness and impetuosity of the raw materials can be removed, and availability of active ingredients in traditional Chinese medicine and speed of drug action are increased.

An injectable preparation of estrogenic and progestrogenic hormonal compounds in an anhydrous excipient injected to synchronize estrus in non-menstruating placental female animals, and a five to nine day protocol to apply the unique preparation to achieve estrus synchronization.

The invention discloses a concentrated feed applicable to a non-pregnant sow. The concentrated feed consists of the following components in parts by weight: 100-300 parts of extruded soybean flour, 140-200 parts of insect protein powder, 380-520 parts of soybean meal, 200-400 parts of wheat bran, 200-300 parts of beer yeast, 120-150 parts of calcium hydrophosphate, 100-200 parts of stone powder, 20-30 parts of lysine, 10-30 parts of methionine, 15-35 parts of threonine, 60-100 parts of composite microelement, 12-20 parts of composite vitamin, 100-150 parts of oligopeptide, 0.5-1 part of enzymic preparation, 1-2 parts of probiotics, 1-2 parts of feed preservative, 4-5 parts of zinc methionine, 3-4 parts of chromium methionine and 0.5-1 part of plant essential oil. According to the concentrated feed applicable to the non-pregnant sow, the estrus rate of the non-pregnant sow can be improved, the estrus returning rate of the non-pregnant sow is reduced, the early estrus of the non-pregnant sow can be realized, and the non-pregnancy period is shortened.

The invention provides a concentrate supplement for dairy cows in a perinatal later period, containing 8% of premix and a preparation method thereof. Per ton of concentrate supplement comprises 80kg of premix in the perinatal later period, 326kg of corn, 40kg of rapeseed meal, 150kg of cottonseed meal, 150kg of wheat bran, 198kg of soybean meal, 26kg of fat powder, 20kg of baking soda and 10kg of magnesium oxide. The concentrate supplement has reasonable design of mixture ratio, is suitable for nutritional needs of the dairy cows in the perinatal later period, is convenient to purchase various component raw materials, convenient to use and easy to popularize, and has high practical values.

The invention discloses a method for efficient reproduction of yaks and production of dzos. Through group management, nutrition control, oestrus identification and artificial insemination, the femaleyaks can resume the oestrus cycle in an oestrus season to achieve oestrus, mating and conception, a feed supplement standard and an efficient reproduction mode are planned for the female yaks different in reproductive conditions, the estrus rate of the yaks and the dzo conception effect are improved, the production of the dzos is accelerated, the technical and industrial development of efficient breeding of dzos is promoted, thus the problems are solved that the yaks in china are low germplasm performance and the breeding efficiency is low, and the healthy and green development of ecological breeding of the yaks and the dzos in the vast pastoral areas of the Tibet plateau is facilitated.

The invention discloses a method for increasing the postweaning estrus rate of sows after giving birth. The method includes the steps that (1), the sows eat forage freely after weaning, and meanwhile energy substances, nutritional substances and green forage are added to the forage; (2) the forage is reduced three days before weaning in a maternity ward and is not reduced in the weaning day, the sows are directly driven to a playground and driven to a locating fence the next day, 210 forage is fed continuously, the sows eat the forage freely, and the sensing temperature between 15 DEG C and 18 DEG C is created; (3) the sows failing to rut seven days after weaning and the sows failing to rut for a long time are driven to the playground once every day; (4) hormone is used for promoting estrus, wherein 1 ml of cloprostenol is injected into the sows failing to rut twenty days after weaning, and a part of PG600 for one sow is injected into each sow after 24 hours. By the adoption of the method, corresponding measures can be taken in time, the workloads of hybridization workers are reduced, work efficiency is improved, eliminated sows are reduced, cost is reduced, the postweaning estrus rate of the sows after giving birth is increased, and the conception rate and the number of born piglets are increased.

The invention discloses a breeding method for improving the estrus rate of an American-series large white replacement gilt, and belongs to the technical field of sow breeding methods. The oestrus of the American-series large white replacement gilt is stimulated in time by means of optimizing the feed formula and injecting hormones at the reasonable periods at the four different stages of 4-6-month stage, 6-7-month stage, 7-9-month stage, and 9-10-month stage, so that the estrus rate of the American-series large white replacement gilt is improved.

The invention relates to a method of estrus synchronization of embryo transplantation receptor cow, which belongs to the field of embryo engineering. The method of estrus synchronization of embryo transplantation receptor cow is characterized in that: Cue-Mate (vaginal suppository) is put into the body of the receptor cow on any day of estrus circle of the cow, then the cow is injected with 100microgram of GnRH and the day is set as a first day; on a fifth day to a seventh day, the vaginal suppository is taken out and the cow is injected with 500microgram of PG; two days later, the cow ovulates; and the transplantation is carried out 7 to 7.5 days after the ovulation. Using the method, time for treating the cow is shortened; application efficiency of the cow is enhanced and breeding cost is saved; the ovulation rate of the cow after the treating is enhanced to 85 to 90 percent from the original 75 to 80 percent.

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.

The invention provides a total mixed ration for dairy cows in a later perinatal period and a preparation method thereof. Each 49kg of total mixed ration contains 12kg of concentrate supplement, 25kg of whole silage, 7kg of alfalfa, 1.5kg of whole cottonseed, 2kg of honey and 3kg of aneurotepidimu chinense. The preparation method of the total mixed ration comprises the following steps: firstly, mixing components of a premix after grinding, grinding the premix and other components, and then fully mixing the ground premix and the other ground components in a mixer, thereby obtaining the concentrate supplement; and mixing the concentrate mixture with the whole silage, the alfalfa and the chinese wildrye again, thereby obtaining the total mixed ration.

The invention provides a compound feed for reserved sows. The compound feed comprises the following components in parts by weight of 55.2 parts of corn, 6 parts of middling, 18.5 parts of soybean meal, 2.5 parts of puffed soybeans, 6 parts of rice bran, 6 parts of bran, 1 part of imported fish meal, 1 part of soybean oil, 1.35 parts of calcium hydrogen phosphate, 1.1 parts of calcium carbonate, 0.4 part of sodium chloride, 1 part of a trace element vitamin compound premix, 0.2 part of lysine, 0.02 part of methionine, 0.05 part of threonine, 0.08 part of choline chloride, 0.02 part of vitamin E, 0.06 part of vitamin C, and 0.05 part of distiller's yeast cell walls. The invention further provides a preparation method of the feed. The feed has great advantages in the raising rate of the reserved sows, the average farrowing number, the estrus rate of the sows at the second estrus period and the third estrus period and the like, and the breeding cost is reduced.

The invention relates to the technical field of the raising of water buffalos and particularly relates to a water buffalo feed as well as a preparation and application of a water buffalo feed. A basic ration of the water buffalo feed contains the following raw materials: fermented alfalfa, grassiness, fermented manioc waste, broadleaf paspalum, bean pulp and bran. After being fermented, the alfalfa and the manioc waste in the basic ration are capable of softening fibers in the feed and producing enough alcohol fragrance, so that the content of cyanide is decreased, the palatability of the fed is improved, and the basic nutritional requirements of water buffalos in a gestation period can be met. A feed additive contains the following raw materials: a black bean extract, emulsified calcium, calcium citrate, table salt, yeast chromium, malt juice and a soybean extract. According to the water buffalo feed, the estrus rate of unfertilized female water buffalos can be increased, the pregnancy rate can be increased, the fluency rate can be decreased, meanwhile, the daily food intake can be increased, and the nutritional supply of the female water buffalos in the gestation period can be guaranteed.

The invention discloses a breeding management method of replacement gilts, in particular to a breeding method of replacement gilts of North China pigs. The breeding management method of the replacement gilts is characterized in that the breeding management process includes the four breeding stages of before 90 days old, from 90 days old to the second estrus, from the second estrus to the 10th to 14th day before the third estrus, and from 10th to 14th before the third estrus to mating; before 90 days old, the replacement gilts are fed 5 times a day with the feeding amount to be 2.5 kilograms per day; from 90 days old to the second estrus, the replacement gilts are fed 3 times a day with the feeding amount to be 3 kilograms per day, the replacement gilts are rushed to the open space outsidea pig house for 20 minutes every morning and afternoon, the replacement gilts are promoted to have estrus once every morning and afternoon, and artificial back pressure is performed to check for estrus; from the second estrus to the 10th to 14th day before the third estrus, the replacement gilts are fed twice a day with the feeding amount to be 2.0 kilograms per day; from from 10th to 14th beforethe third estrus to mating, the replacement gilts are fed twice a day with the feeding amount to be 3.5 kilograms per day, and 200 grams of starch is supplemented per day.

The invention relates to a pig feed and in particular relates to a compound feed for improving the estrus rate of a sow. The feed is prepared from the following raw materials in parts by weight: 70-80 parts of soybean flour, 45-50 parts of sorghum flour, 30-34 parts of mung bean flour, 5-7 parts of bone flour, 1-2 parts of hawthorn fruit powder, 1-2 parts of laver powder, 6-7 parts of mulberry, 1-2 parts of rhizoma polygonati, 1-2 parts of polygonatum odoratum, 1-2 parts of blaeberry, a proper amount of salt and 4-5 parts of an auxiliary agent. As soybean flour, sorghum flour and the like are used, the feed has good palatability; as conventional raw materials such as corn and wheat are replaced by the raw materials with high protein content, the utilization rate of the sow for the feed is improved; and the Chinese herbal medicine raw materials such as rhizoma polygonati, polygonatum odoratum and blaeberry have the efficacies of strengthening the spleen and nourishing the kidney as well as improving ovulation so that the feed effectively improves the estrus rate of the sow and lays a good foundation for high yield of the sow.