918 results about "Calcium hydrogen phosphate dihydrate" patented technology

The present invention belongs to the field of poultry feed technology, specifically to a meat large chicken feed and method for preparing the same. The meat large chicken feed is composed of the following components by weight parts: 30-80 parts of corn, 0-30 parts of wheat, 5-40 parts of bean pulp, 0-10 parts of peanut meal, 0-10 parts of cotton meal, 2-8 parts of corn protein powder, 0.5-5.0 parts of lipid, 1.0-6.0 parts of hypo-powder, 0.5-2.0 parts of mountain flour, 0.5-2.0 parts of calcium hydrogen orthophosphate, 0.2-0.4 parts of salt, 0.1-1.0 parts of complex vitamin; 0.1-1.0 parts of complex trace elements, 0.05-0.5 parts of micro-ecological formulation, 0.01-0.2 parts of Chinese herbal medicines additives, and 0.01-0.2 parts of phytase. The inventive meat large chicken feed has high digestibility, nutrient balance, low harmful components, and high security, so that the resistance of broiler chickens is increased and the pollution to the environment is significantly reduced.

The invention belongs to the field of feeds, and particularly relates to a six percent-premix for lactating sows and a wheat-type daily ration prepared from the six percent-premix. The premix comprises multivitamins, composite trace elements, DL-methionine, lysine, threonine, L-arginine, valine, composite electrolyte, compound enzyme, 5000 IU of phytase, functional additives, feed attractants, calcium hydrogen phosphate, stone powder, salt, choline, antioxidants and defatted rice bran. On the whole, the daily ration for the lactating sows is capable of protecting the development of mammary glands of the sows, ensuring plentiful milk with high quality in the lactation period of the sows and increasing the survival rate of suckling piglets, and enables the piglets to have higher weaning weight.

A composition of porous material and gel for preparing artificial bone is prepared from collagen and porous material chosen from alpha-tricalcium phosphate / hydroxy apatite, beta-tricalcium phosphate / hydroxy apatite-coral, calcium phosphate / hydroxy apatite, calcium carbonatel tricalcium phosphate, etc.

The invention discloses a corn type mixed feed for a weaned pig and a preparation method thereof. The mixed feed comprises the following raw materials: dried corn, puffed corn, soybean meal, puffed soybean, a wheat germ cake, flour, fish meal, plasma protein powder, whey powder, soya-bean oil, stone flour, calcium hydrogen phosphate, salt, lysine 70%, methionine 99%, threonine 99%, choline chloride 60%, glucose, compound enzyme, a vitamin premix and a trace element premix. The preparation method comprises the following steps: crushing; mixing; and granulation. The invention has the following beneficial effects: nutritional requirements of the weaned pig are met; the mixed feed has good palatability and a high digestive rate and can reduce various discomforts caused by weaning stress, enhance the immunity of the weaned pig, improve food consumption and productivity of the weaned pig, promote rapid and healthy growth of the weaned pig and guarantee the survival rate of the weaned pig.

The invention provides a pregnant sow high-efficiency feed and a preparation method thereof. Raw materials such as corn, maize, wheat bran, soybean, fish meal, feather meal, soybean phospholipids, powdered zeolite, L-lysine hydrochloride, DL-methionine, threonine, arginine, talc powder, calcium hydrogen phosphate, potassium chloride, sodium bicarbonate, sodium chloride, coating VC (vitamin C), monomer VE (vitamin E), vitamin premix, choline, a trace element premix, ethoxy quinoline, a physiological regulator, a hydrated aluminosilicate mycotoxin adsorbent and the like are adopted, and the pregnant sow high-efficiency feed is prepared by smashing and mixing the raw materials. The feed has the following advantages: especially the equilibrium of amino acid, a special function of the arginineto a pregnant sow, the nutrition effect of fiber source and level to the pregnant sow, the nutrition effect of energy source and level to the pregnant sow and the nutrition requirement difference of different parities are especially considered, so that the breeding potential of the pregnant sow can be greatly excavated, the survival rate of embryos is improved, nutrition requirements in each stage of good development of the embryos are guaranteed, and the normal physique and body weight increase of the sow in pregnancy duration are maintained.

The invention relates to a fermented feed for nursery pigs and a preparation method thereof. The feed is prepared from the following raw materials in parts by weight through fermenting: 400-700 parts of corns, 50-200 parts of soybean meal, 2-6 pats of lysine hydrochloride, 1-10 parts of calcium formate, 1-10 parts of calcium hydrogen phosphate, 0.2-0.5 part of vitamin premix, 2.5-3.5 parts of organic microelement premix, 1-5 parts of micro-ecologic, 0.2-2 parts of complex enzyme preparation and 0.5-2.0 parts of sodium butyrate. With the consideration of improving the digestion utilization rate of the feed for nursery pigs, together with the physiological characteristics of the nursery pigs, directing to the problems in the existing nursery pig feed processing technology, and through introducing the fermentation technology to prepare the feed and adjusting the structure of daily grains, the plant raw material digestion utilization rate is improved, the feed cost is reduced; in the preparation and production of the feed for the stage, the purposes of reducing energy consumption, reducing cost and improving intestinal health of animals and improving the growth rate are realized.

The present invention provides a nutrient balance compound type licking brick for cattle and sheep and its preparation process. Every kg of licking brick contains 0.5-0.3g of zinc sulfate, 0.1-0.2g of copper sulfate, 0.2-0.3g of manganese sulfate, 0.01-0.02g of sodium selenite, 0.01-0.3g of potassium iodide, 0.03-0.06g of cobaltous chloride, 0.1-0.3g of magnesium oxide, 0.02-0.04g of nano zinc sulfate and copper sulfate mixture, 30-150g of sodium sulfate, 40-80g of calcium hydrogen phosphate, 0.2-1g of chromium nicotinate, 50-200g of carrier, 150-300g of edible sale, 200-300g of solidifying agent, 20-80g of freacle, 50-200g of urea, 20-80g of puffed corn flour, 20-80g of physiological regulating and controlling agent and 10-60g of vitamin premixed material.

The invention discloses a mutton sheep forage and a preparation method thereof. The mutton sheep forage is composed of the following raw materials, by weight, 55-65 parts of soybean straw, 30-40 parts of Gaodan grass, 20-30 parts of elm tree leaf, 15-20 parts of peanut vine, 10-15 parts of a traditional Chinese medicinal residue, 5-10 parts of fried rice flour, 10-20 parts of distillers' grain, 1-2 parts of a starter, 45-55 parts of corncob, 20-30 parts of wheat bran, 15-20 parts of rice bran, 5-7 parts of a lyophilized powder additive, 4-6 parts of chalk powder, 5-10 parts of kaolin, 3-5 parts of soybean oil, 2-4 parts of sodium alginate, 0.5-1 part of calcium hydrogen phosphate, 0.01-0.02 parts of potassium iodate and 0.3-0.5 parts of salt. The forage contains all nutrition required by the growth of mutton sheep, guarantees the healthy production of the mutton sheep, provides healthcare values, and raises the growth speed of the mutton sheep.

A forage for piglet is prepared through dissolving 8 soluble materials (plasma albumin powder, whey powder, emulsified fat, glucose, etc) in water, mixing 5 insoluble materials (puffed soybean powder, fish powder, calcium hydrogen phosphate, etc), mixing both together, stirring, granulating, baking and cooling.

The invention provides a compound feed for a laying hen in egg-laying period and a preparation of the compound. The compound feed comprises the following ingredients: 64-66 wt% of corn, 20-22 wt% of soybean meal, 2-4 wt% of wheat bran, 0.5-1 wt% of fish steak powder, 0.4-1 wt% of cottonseed meal, 0.1-0.15 wt% of phytase (5000), 7-10 wt% of clamshell powder, 1-2 wt% of mountain meal, 0.5-1 wt% of calcium hydrogen phosphate, 0.3-1 wt% of salt, 0.2-0.4 wt% of 65%-lysine, 0.1-0.2 wt% of solid methionine, 0.06-0.1 wt% of choline chloride, 0.3-0.5 wt% of vitamin C, 0.2-0.4 wt% of trace element premix, and 0.2-0.4 wt% of vitamin premix, and is prepared by the following steps: extracting raw materials, carrying out fine grinding to on the raw materials with 2.0 mm sieves, and mixing the feed for 200 s, with the grain size of corn of 5.4 mm. The compound feed has scientific allocated proportion and simple preparation, reduces the usage of antibiotics, reduces drug residue in the laying hen body, has positive influences effects on the laying hen, and is economical and practical.

The present invention provides a mineral compound type licking brick for cattle and sheep and its preparation method. Every kg of licking brick contains 0.15-0.3g of ferrous sulfate, 0.15-0.3g of zinc sulfate, 0.1-0.2g of copper sulfate, 0.2-0.3g of manganese sulfate, 0.01-0.02g of sodium selenite, 0.05-0.3g of potassium iodide, 0.03-0.08g of cobaltous chloride, 0.1-0.3g of magnesium oxide, 0.02-0.03g of nano zinc oxide and copper sulfate mixture, 6-10g of chromium nicotinate, 30-150g of sodium sulfate, 40-100g of calcium hydrogen phosphate, 200-400g of edible salt, 200-400g of solidifying agent, 50-200g of carrier and 30-70g of treacle.

The invention discloses a traditional Chinese medicinal addition feed for weaned piglets and a preparation method thereof. The addition feed is prepared by the following raw materials in parts by weight: 50-60 parts of extruded corns, 10-15 parts of soybean meal, 5-8 parts of puffing soybean powder, 10-15 parts of wheat middling, 2-3 parts of fish meal, 4-6 parts of rape seed cakes, 2-3 parts of coconut oil, 5-8 parts of medical stone, 1-1.5 parts of calcium hydrogen phosphate, 0.3-0.5 part of salt, 0.2-0.3 part of chlorine chloride, 0.5-1.5 part of a premix compound, 0.4-0.6 part of a compound acidifier, 3-4 part of Chinese hawthorn seed meal, 2-3 parts of ficus erecta, 2-3 parts of helianthus annuus plate, 1-3 parts of berberis julianae schneid, 2-4 parts of sweet potato root, 2-3 parts of portulaca oleracea, 1-2 parts of eucalyptus robusta smith, 2-3 parts of forsythia suspensa, 3-4 parts of poria and 2-3 parts of meadowrue root and rhizome. The traditional Chinese medicinal addition feed can stimulate piglet appetite, increase body resistance, reduce piglet diarrhea morbidity and promote the piglets to quickly grow.

The invention discloses feed for laying hens in the egg producing period and a preparation method of the feed. The feed comprises following raw materials: corns, wheat, millets, wheat bran, soya bean meal, rapeseed meal, sophora flower powder, calcium hydrogen phosphate, fish meal, soybean oil, glycyrrhiza uralensis powder, table salt and a traditional Chinese medicine additive. The feed has the beneficial effects that the feed contains the traditional Chinese medicine additive and has the effects of tonifying spleen and eliminating dampness, and tonifying kidney and spleen; compared with other raw materials, the traditional Chinese medicine additive added to the feed has the advantages that not only can the cholesterol content of eggs of the laying hens be reduced, but also the laying rate of the laying hens and the egg weight are improved, and the disease-resisting capability of the laying hens can also be improved.

The invention discloses a highly-effective antidysenteric early milk-fat calf opening material, which comprise the following weight shares: granule materials B- 60-80, tabletting corn 17-36 and molasses 2-4, wherein the granule materials B comprises materials with the following weight shares: corn 45-60, soya bean waste 10-20, fermentation soya bean waste 4-10, swelling soybean 0-5, concentrated soybean protein 0-5, whey powder 5-10, molasses 1-3, saccharose 1-2, amylaceum 1-2, lycine 0.8-1.0, acimetion 0.05-0.15, calcium hydrogen orthophosphate 1.5-2.5, stone powder 0.8-1.2, salt 0.4-0.8, calf premix 1-1.4, acidating agent 0.2-0.4, antioxidant 0.05 and moderate 0.05. The method for preparing calf opening material comprises firstly adopting secondary cubing technology to process granule materials, then, evenly mixing particle food and tabletting corn, and then, spraying molasses on the surfaces of particle food and tabletting corns. Animal test results show that the calf opening material has better palatability, can effectively prompt animals to take in feed, achieves early-weaning within 45 days, can effectively control the loose bowel movement generation rate of calves, and prompts the growth of calves.

The invention discloses Chinese herbal medicine health care sand for pigeons; the Chinese herbal medicine health care sand contains shell pieces, sand particles, calcium hydrogen phosphate, a charcoal powder, table salt, red clay, a composite trace element, red iron oxide, a gentiana scabra bunge powder, an andrographis paniculata powder, a licorice powder, radix astragali, scrophularia ningpoensis, angelica sinensis, lysine, methionine, a composite vitamin, and glucose. The Chinese herbal medicine health care sand is in favor of prevention of pigeon daily health care diseases, and has the advantages of safety and high efficiency; and the Chinese herbal medicine health care sand can significantly improve the breeding pigeon egg laying rate and the impregnation rate, is economic and effective, and is suitable for popularization and application.

The invention discloses a compound feed for broilers of 3 to 5 weeks and a preparation method of the compound feed. The compound feed comprises the following raw materials: corn, wheat, corn albumen powder, corn alcohol dregs, bean pulp, peanut meal, grease for the feed, mountain flour, calcium hydrogen phosphate, table salt, synthetic lysine, synthetic methionine, synthetic threonine, choline chloride, a composite vitamin premix, a composite trace element premix and liquid phytase. The preparation method comprises the following steps of: crushing; mixing uniformly, and granulating; and uniformly spraying the liquid phytase onto the surfaces of feed granules obtained by granulating. The compound feed has the advantages that: the nutritional requirements of the broilers of 3 to 5 weeks on phosphorus are met, the using amount of inorganic phosphorus raw materials in the feed is reduced, and the pollution of the phosphorus in excrement to the environment is reduced; and the enzyme activity of the phytase is kept to the maximum limit by spraying the liquid phytase onto the surfaces of the feed granules after granulation is finished.

Disclosed is a puffed feed for Tilapia and process for preparation, wherein the constituents include (by weight percent) fish flour 8-12%, soybean 20-30%, meat and bones meal 0-10%, rapeseed waste 20-30%, malt 5-10%, liquid phosphatide 0.5-1%, short flour 3-5%, maize 15-30%, calcium hydrogen phosphate 0.5-1%, composite premixed material 1-2%, soybean oil 0-0.5%, fish oil 0.5-1%.

The invention discloses growth promoting fodder special for growing and fattening pigs. The growth promoting fodder is prepared from corn, wheat bran, sweet potato vine powder, cottonseed meal, double-low rapeseed meal, fish meal, shell powder, talcum powder, calcium hydrogen phosphate, salt, multivitamin for the pigs, methionine, cystine, seaweed meal, beta vulgaris pulp, mannan oligosaccharides, nettle meal, luceme meal, carrot meal, purslane meal, peanut vine meal, pine needle meal, a composite additive, complex enzyme preparation and microecologics. The composite additive is prepared from polygonum multiflorum, eucommia, malt, gynostemma pentaphyllum, medicated leaven, poria cocos, hawthorns, lycium, Chinese yam, methionine copper, ferrous sulfate, tryptophan zinc, tryptophan manganese, calcium iodate and sodium selenite. The growth promoting fodder special for the growing and fattening pigs is reasonable in formula, comprehensive in nutrition, good in palatability, and capable of promoting growth of the growing and fattening pigs and improving quality of pork.

The invention discloses feed for improving production performance of sows. The feed consists of the following components in parts by weight: 400-600 parts of corn flour, 80-150 parts of bran, 100-180 parts of expanded soybean meal, 30-50 parts of fish meal, 180-220 parts of soybean meal, 20-45 parts of soybean oil, 10-20 parts of calcium hydrogen phosphate, 10-20 parts of stone powder, 2-3 parts of lysine, 1-3 parts of methionine, 1-3 parts of threonine, 5-10 parts of compound trace elements, 1-2 parts of compound vitamin, 1-2 parts of oligopeptide, 0.5-1 part of flavone, 1-2 parts of plant extracts, 0.5-1 part of enzyme preparation, 1-2 parts of probiotics and 1-2 parts of feed antistaling agent. The feed provided by the invention can be used for adjusting the endocrine of sow bodies, promoting the development of corpus luteum, activating ovarian function, reducing the incidence of mastitis and endometritis, purifying the reproductive system, delaying the ageing of the reproductive system, improving the production performance of the sows, and increasing the economic benefit of pig raising.

The invention discloses compound feed for fragrant piglet. The compound feed for the fragrant piglet is prepared from the following components of: corn, wheat, hulled puffed soybean meal, fermented soybean meal, white fish powder, wheat bran, alfalfa meal, soybean hull, rice bran meal, mountain powder for feed, calcium hydrogen phosphate, edible salt, wheat enzyme, choline chloride, lysine salt, DL methionine and piglet compound premix. The compound feed for the fragrant piglet disclosed by the invention is designed according to the physiological habits of the fragrant piglet and demands on protein, energy, amino acid and calcium phosphate of the fragrant piglet, is combined by adopting high-quality protein feed raw materials such as the hulled puffed soybean meal, biological fermented soybean meal, import super steam white fish powder and coarse fodder wheat bran, rice bran meal and alfalfa meal and meets growth requirement of the fragrant without influencing fresh and tender meat quality, the feed conversion rate is high, and the survival rate of the fragrant piglet is high.

The invention relates to a chicken forage formula which can improve selenium-iodine egg, and relative production, wherein it is formed by energy forage as corn and fat, protein forage as soybean cake, mineral forage as stone powder, calcium hydrogen phosphate, and common salt, nourishment forage additive as lycine, acimetion, vitamin, composite vitamin, and seaweed powder, and mineral microelement. And its production comprises that: a, mixing sodium selenate, potassium iodate and oligose; putting calcium hydrogen orthophosphate, seaweed powder, acimetion, lycine, vitamin, mineral microelement as copper, manganese, iron, and zinc, into ceramic pot to be mixed uniformly; b, breaking vegetable oil and corn; c, putting, corn powder, soybean, calcium stone powder, and forage additive, input forage mixer to be mixed for 10-15min, to produce the egg chicken forage. Said egg can improve physical quality.

The invention discloses a method for generating calcium hydrogen phosphate and sodium nitrate through nitric acid decomposing phosphate ore. The technique is that the nitric acid is used for decomposing the phosphate ore, mirabilite is used for removing calcium, and limestone powder and lime milk are used for neutralizing and preparing feed calcium hydrogen phosphate as well as co-producing the sodium nitrate, so the technique comprises 6 production processes: the nitric acid is used for decomposing phosphate ore powder, the sodium nitrate is added to remove fluoride, and the mirabilite is added to obtain dihydrate gypsum through double decomposition; besides, the limestone and lime milk are used for respectively preparing fertilizer grade and feed grade calcium hydrogen phosphate through neutralization precipitation, and then soda is used for removing impurities such as calcium, magnesium, etc., through neutralization and purification, crystal is distilled to prepare the sodium nitrate. The technique method provided by the invention can not only prepare the feed calcium hydrogen phosphate product and the sodium nitrate product, but also have byproducts such as high-quality dihydrate gypsum, the fertilizer grade calcium hydrogen phosphate and sodium fluosilicate; meanwhile, the invention does not consume sulfur resources, discharge little waste and can be treated easily; furthermore, the invention develops a technique line to prepare various chemical products for areas lacking the sulfur resources by using phosphate ore resources, and has good economic and environmental protection benefits.

The invention relates to concentrated feed for a weaned pig and a preparation method thereof. The concentrated feed comprises puffed corn flour, high-protein soybean meal, puffed soybean, fish meal, high-protein milk replacer, calcium hydrogen phosphate, stone flour, first-grade bean oil, lysine, methionine, threonine, tryptophan, refined salt, piglet compound enzyme, zinc oxide, a sweetener, a flavoring agent, an anti-oxidant, probiotics, and a piglet premix. The concentrated feed for a weaned pig has comprehensive and balanced nutrition, strong pertinency, a low production cost, high efficiency, stable quality and storage convenience. In feeding, the concentrated feed has good attractability and stability, satisfies requirements of appetite improvement and fast growth of a weaned pig, greatly improves food consumption and a growth rate of a weaned pig, accelerates digestion and absorption of feed nutrients, has a high feed conversion rate, reduces a weaned pig diarrhea rate and a weaned pig death rate and has no adverse side effects.

The invention discloses an instant nutritious porridge suitable for infants of 6 months old or older and a preparation process of the nutritious porridge. The instant nutritious porridge comprises a porridge body and ingredients, wherein the porridge body comprises rice, millet, corn starch, barley powder, Chinese yam powder, hawthorn powder, lotus nut starch, vitamin A, vitamin D, vitamin B1, vitamin B2, nicotinic acid, calcium carbonate, calcium hydrophosphate, zinc oxide, ferric pyrophosphate and potassium iodide, and the ingredients comprise dehydrated shredded meat, meat extract and vegetable powder. The ingredients are added according to the flavors of different products into the porridge body according to certain proportion, mixed uniformly, and packaged in bags to obtain the finished product. The product contains carbohydrate, protein, fat, various vitamins and mineral elements that are required for the infant, and the contents of the ingredients are configured with reference to the grain accessory food of the infant so as to meet the nutrient requirements for the growth and development of the infant.

The invention relates to concentrated feed for over-sized fattening pigs and a preparation method thereof, belonging to the technical field of pig feed. The feed is prepared from the following raw materials in parts by weight: bean pulp, corn DDGS (distillers dried grains with soluble), soybean oil, mountain flour, calcium hydrogen phosphate, salt, organic selenium, 50% vitamin E, choline, 35% vitamin C, 75% glycine betaine, 98.5% lysine, threonine, an antioxidant, a mildew preventive, a composite enzyme preparation, a feed microecological preparation, phytase, a sweetening agent, a vitamin premix, a trace element premix and middlings bran. The later-stage physiological development characteristics of the over-sized fattening pigs are combined, the composite enzyme preparation and the microecological preparation are used for regulating the intestinal health of the pigs, no antibiotics are utilized, the normal feeding mode is changed, and after the concentrated feed is used for feeding the over-sized fattening pigs with weight of 125kg for 90-100 days before marketing, drug residues in meat are remarkably reduced, and the meat is relatively safe and excellent.

The invention discloses a nutrient feed capable of improving laying rate of poultry. The nutrient feed is composed of the following raw material components by weight: 28-32 parts of corn, 18-22 parts of rice, 8-12 parts of bran, 2-3 parts of fish meal, 13-18 parts of bean pulp, 1-3 parts of calcium hydrogen phosphate, 0.01-0.03 parts of nucleic acid, 0.01-0.011 parts of glutamic acid, 0.01-0.03 parts of choline chloride, 0.073-0.078 parts of vitamin E, 0.09-0.11 parts of sodium selenite, 3-5 parts of stone powder, 8-12 parts of grass meal, 0.5-1.0 parts of zeolite and 0.20-0.25 parts of sandstone. The feed is reasonable in formula and comprehensive in nutrients; by using the feed to feed egg-laying chicken and egg-laying ducks, the egg weight is increased, the laying rate is improved, the eggshell hardness is enhanced and the breakage rate is reduced; and at the same time, the ingestion decrease or no ingestion, growth retardation and other symptoms caused by various diseases can be prevented.

The invention discloses a mixed feed for early weaned piglets. The mixed feed comprises the following components, by weight, 1.2*10<-7>-3*10<-7> parts of EGF, 20-30 parts of corn, 10-15 parts of soybean meal, 0.04-0.05 parts of a vitamin premix, 0.15-0.2 parts of choline chloride, 0.2-0.5 parts of an antibacterial peptide, 0.01-0.15 parts of a trace element premix, 0.3-0.5 parts of lysine, 0.2-0.3 parts of methionine, 0.3-1.0 part of a composite enzyme preparation, 0.1-0.15 parts of calcium hydrogen phosphate or / and stone flour, 1*10<-3>-5*10<-3> parts of colistin sulfate, and 0.1*10<-3>-2*10<-3> parts of kitasamycin. The EGF is added to the mixed feed in the invention, so the intestinal damage caused by weaning is avoided through the nutrition level and the reasonable price optimization, and the intestinal structure of the weaned piglets is capable of accepting more non-maternal feeds, thereby the production performance of the weaned piglets is improved.

The invention discloses a chicken feed. The chicken feed comprises the following raw materials in parts by weight: 140-210 parts of bean meal, 500-600 parts of corn, 50-100 parts of stone powder, 0.2-0.5 part of vitamin, 2-3 parts of micromineral, 10-50 parts of calcium hydrogen phosphate, 0.5-1 part of active dry yeast, 0.1-0.4 part of table salt, 5-10 parts of vegetable oil, 0.2-0.5 part of choline chloride, 1-1.5 parts of earthworm powder, 2-5 parts of pine straw powder, 1-2 parts of additives and 1.4-2 parts of traditional Chinese medicine. The chicken feed is capable of improving resistance and reducing disease rate of laying hens in the spring and autumn seasons; moreover, the chicken feed is capable of greatly raising egg production of the laying hens.

The invention belongs to the field of pig feed and discloses feed of replacement gilts during the perinatal period. The feed is characterized by comprising the following components in parts by weight: 55-60 parts of corns, 20-24 parts of soybean meal, 5.5-6.9 parts of DDGS, 1.3-2.2 parts of wheat bran, 5-10 parts of full-fat rice bran, 0.7-1.2 parts of soybean oil, 1-1.3 parts of imported fish meal, 0.9-1.1 parts of calcium powder, 1.0-1.2 parts of calcium hydrogen phosphate, 0.2-0.5 part of lysine sulfate, 0.4-0.5 part of edible salt, 0.1-0.2 part of choline chloride, 0.2-0.3 part of a vitamin premix, 0.2-0.3 part of a microelement premix and 0.05-0.06 part of a mould inhibiter premix. The feed can be used for promoting physical growth of the replacement gilts, alleviating the primiparous stress of the replacement gilts, improving the food intake of the replacement gilts in the early stage of lactation period, and enhancing the disease resistance of the replacement gilts during the perinatal period.