338 results about "Finishing pig" patented technology

The invention relates to a nonreactive fermented feed of mixed bacteria and a preparation method thereof, which belong to the field of microbial fermented feed and solid feed. The nonreactive fermented feed is manufactured by mixing and fermenting solution of the mixed bacteria and dried matrix of compound feed and adding 4% of premix into the fermented solution after the fermentation. The fermented feed preparation technology is simple and convenient to operate and can be operated by various farmers and feed manufactures easily. The prepared solid feed is obvious in effect, capable of improving utilization of feed and promoting growth of animals, and capable of improving and maintaining balancing of intestinal flora, improving immunity and premonition of the animals, effectively improving body shape of pigs and increasing economic benefits. No antibiotic is added in the preparation process and finial products, the nonreactive fermented feed of the mixed bacteria and the preparation method thereof are healthy, safe and can be directly used in breeding of growing-finishing pigs.

The invention discloses a compound feed for finishing pigs and a preparation method thereof. The compound feed comprises the raw materials as follows: extruded corns, soybean, rice bran, 46% of bean pulp, broomcorn, whey powder, soya-bean oil, barbados aloe dry powder, acorn powder, compound microecologics, table salt, choline chloride, methionine, threonine, lysine, vitamin premix and microelement premix. The preparation method comprises the following steps: crushing, mixing and prilling. The feed provided by the invention has the beneficial effects of meeting the nutritional demand of finishing pigs, improving the growth performance of pigs and reducing the feed conversion ratio, but also further increasing nutrition of pig muscle, improving the quality of pig muscle and enhancing the immunity of pigs.

The invention relates to a feed composition for growing and fattening pigs in different growth stages and a feeding method thereof, and belongs to the technical field of pig feed. The feed composition is designed and developed in allusion to growth and development and nutrition demand characteristics in different growth stages of the pigs; complex feed varieties and feeding processes are shown through simple and direct numbers, so that the feeding efficiency in each stage can be effectively improved, the healthy growth of the pigs can be promoted, and feeding benefits can be enhanced.

The invention discloses a concentrated feed containing Chinese herbal medicine for growing-finishing pig. The concentrated feed comprises soybean meal, fish meal, rapeseed meal, stone powder, calcium hydrogen phosphate, soybean oil, and premix; the following Chinese herbal medicine components are added into the concentrated feed: rhizoma atractylodis, processed fleece-flower root, gentian, tangerine peel, white peony root, parched medicated leaven, parched hawthorn, parched malt, medulla tetrapanacis, semen cuscutae, stir-fried betelnut, radix astragali, scutellaria, rhubarb powder, etc. The feed can improve the immunity, disease resistance, and stress resistance of growing-finishing pigs; the feed has improved quality, can enhance the appetite of the animals, and promote the digestion and the absorption; and the utilization rate of the feed is increased, and the breeding cost is reduced. The feed also has blood circulation invigorating, stomach-strengthening, parasite-expelling, and rapid fattening functions.

The invention relates to a feed for improving the lean meat factor of a fattening pig. The feed for improving the lean meat factor of the fattening pig comprises the following materials: bean pulp, corn, peanut meal, bran, mountain flour, calcium bicarbonate, antioxidant, compound vitamin, compound microelement, salt, lysine and traditional Chinese medicine additive, wherein the traditional Chinese medicine additive comprises the following bulk drugs: astragalus mongholicus, medlar, poria cocos, herba epimedii, hawthorn, fennel, codonopsis pilosula, pericarpium citri reticulatae, ligusticum wallichii, liquorice, malt, rhizome atractylodis, quispualis indica, radix achyranthis bidentatae and dandelion. By adopting a new formula and the traditional Chinese medicine additive, the nutritional requirement of the fattening pigs is met, the palatability is good, the growth rate of lean-meat-type fattening pigs is high, the lean meat factor is high, the body type is plump, the anti-stress capability is strong, the meat is bright-colored and the drip loss is low. Besides, the feed has the advantages of little toxic and side effect, no drug tolerance, no residue and the like, and the side effect on the food safety is reduced.

The invention provides a composite pig feed additive for preventing diarrhea of pigs. Compound traditional Chinese medicine recipe is added to basic ration and combined with compound amino acid, vitamins and the like to be used, thereby not only having the effect of preventing diarrhea and accelerating growth rate of the pigs, but also enabling the pigs having the diarrhea to recover quickly. A novel growth and fattening pig-feed recipe is provided for actual production, the diarrhea of the pigs is effectively prevented, immunity is improved, and breeding effects are enhanced.

The invention relates to a compound microecological preparation, in particular to the compound microecological preparation containing bacillus subtilis and lactobacillus plantarum as well as application of the compound microecological preparation in a daily ration of pigs, and belongs to the technical field of the microecological preparations. The compound microecological preparation comprises the bacillus subtilis CGMCC NO. 8148 bacterial powder and the lactobacillus plantarum CGMCC NO. 8150 bacterial powder. The compound microecological preparation can be applied to a piglet, a sow, a breeding boar and a finishing pig, can improve the utilization efficiency of a fodder and an intestinal micro-ecological system, promote growth of a pig, enhance the immunity and premonition of the pig, and replace antibiotics. Therefore, the quality of pork is improved.

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 a method for preparing a live pig feed by utilizing green straw. The method disclosed by the invention comprises the following steps of crushing complete corn straw or complete wheat straw until the particle size is 0.2-0.3cm so as to obtain crushed tiny straw granules, uniformly blending the tiny straw granules with bran or bran coats, added with exogenous bacteria ( a mixture of exogenous mixed bacteria and a microorganism accelerant ), and performing anaerobic fermentation for 7-10 days in a plastic bag; and then performing mixing with a complete feed for sows or finishing pigs for feeding. According to the method, the size of crushed straw granules is reduced, through the assistance of the exogenous bacteria and the accelerant, the fermentation time is shortened, the fermentation effect is improved, and the feed utilization of corn straw and wheat straw is improved. Because wheat and corn are planted alternatively, the corn straw and the wheat straw are fermented continuously for feeding, so that the annual feeding for the live pigs is realized.

The invention discloses a fattening pig house environment regulation and control system and method. The system comprises a detection unit, a control unit and a monitoring center. The detection unit detects temperature, humidity, air flow and ammonia of a fattening pig house. The control unit controls control equipment through utilization of PI secondary regulators. The monitoring center circularlyreads temperature, humidity, air flow and ammonia parameters of a fattening pig house environment collected by the detection unit, designs a single-neuron adaptive PSD controller+ a neuron decouplingcompensator to form a fattening pig house environment master regulator for the temperature, the humidity, the air flow and the ammonia, and realizes effective control over the temperature, humidity,air flow and ammonia of the fattening pig house environment. The detection unit detects the temperature, humidity, air flow and ammonia of the fattening pig house through utilization of sensors. Inputof the PI secondary regulators of the control unit comes from output of the neuron decoupling compensator of the monitoring center, thereby forming a multi-cascade control system of the master and secondary regulators.

The invention relates to a feeding method in a growing stage and a fattening stage of a pig breeding process and belongs to the technical field of livestock breeding and a livestock fodder. In the pig breeding process, the fodder includes pig growing fodder and pig fattening fodder, the pig growing fodder and the pig fattening fodder are fed in a matching way in the growing stage and the fattening stage, and feeding is started from the growing stage and is finished at the fattening stage. The two mixed fodders are used in the growing stage and the fattening stage in different proportions, so that the nutrition value of the mixed product better accords with the production requirements in different stages for grown and fattened pigs, the grown and fattened pigs can be grown at higher growing speed, the utilization rate of the fodder is higher, discharging of nutrition which is not digested and absorbed is few, and the pork is higher in quality. Meanwhile, the invention provides stage proportion, and the feeding method is more convenient, scientific and efficient.

The invention discloses a low-phosphorus antibiotic-medicine-free complete feed for fattening pigs. The feed is prepared from a trace element premix, a vitamin premix, a mineral premix, compound enzyme, a feed attractant and a feed toxin adsorbent. According to a formula, the feed comprises the following components in percentage by weight: 60.00 percent of corn, 15.00 percent of 46 percent bean pulp, 5.00 percent of low-toxicity rapeseed meal, 5.00 percent of wheat bran, 2.00 percent of soybean phospholipid oil, 3.00 percent of garlic powder, 3.00 percent of pepper meal, 2.10 percent of lees powder, 2.00 percent of molasses, 1.05 percent of mountain flour, 0.75 percent of calcium hydrophosphate, 1.00 percent of low-phosphorus antibiotic-medicine-free core material premix special for fattening pigs, and 0.10 percent of feed mould inhibitor. The invention is characterized in that the feed is high-lysine, low-phosphorus and antibiotic-medicine-free, has comprehensive nutrition, is high in palatability and can promote the growth of the pigs; the daily gain of growing pigs can reach 706g / day; and the feed conversion rate is less than 3.02:1.

The invention pertains to the field of feed formula design and feed processing technique, specifically relating to an all-wheat type growing and fattening pig diet and its processing technique. The inventive all-wheat type growing and fattening pig diet is composed of the following components in weight percent: 50-70 parts of all-wheat, 4-10 parts of rice bran, 10-25 parts of bean pulp, 1-5 parts of peanut meal, 0.2-1.0 parts of composite vitamins, 0.2-1.0 parts of composite trace elements, and 0.1-0.4 parts of wheat-type-specific enzyme. The processing technique adds a maturing step between the modulation step and the granulation step. By adoption of the growing and fattening pig diet, the invention has low feed cost, faster fatten pigs growth rate, shortened breeding cycle, improved fatten pigs growing production efficiency, greatly improved pig shape and carcass quality, good palatability of the all-wheat type pig diet, good pork quality (stearin meat); and the invention solves the feed resource tensioning problem to some extent.

The invention provides a method of ecological cultivating pigs in shift planting and cultivation, comprising: adopting a detachable piggery for cultivating finishing pigs, removing the piggery after finishing pigs delivers, performing composting on the spot for the shit generated in the cultivating process, performing herbage or crop cultivation on the original ground, so the cultivation of the finishing pigs and the herbage or the crop is alternatively processed. The invention has the beneficial effects that: (1) building the piggery does not damage a plow layer of the ground, the second plowing can be performed at any time after removing, partial idle ground can be fully made use to develop livestock breeding, ground availability is increased, conflicts of cultivation fight for ground and supply and demand of organtic fertilizer are released; (2) cultivation shit are completely utilized as cultivation source, without environmental protection government and environmental pollution, meanwhile fertilizer amount for planting the crop is reduced; (3) compared with fixed cultivation in prior art, the invention has the advantages of ground saving, energy saving, low cost and ecological safety and the like.

The invention discloses a traditional Chinese medicine additive. The formula of the traditional Chinese medicine additive comprises the following compositions in parts by weight: 10-20 parts of haw, 2-10 parts of malt, 2-12 parts of areca, 8-16 parts of andrographis paniculata, 2-12 parts of astragalus membranaceus, 2-10 parts of aloe, 4-12 parts of scutellaria baicalensis, and 2-8 parts of liquorice. The invention further discloses pig fattening pellet feed containing the traditional Chinese medicine additive and a preparation method thereof. According to the invention, the sources of the various compositions of the pellet feed are extensive, economy and suitableness are achieved, the requirements for nutrition of fattened pigs are met, pine needle meal can be used for replacing a multivitamin additive, the Chinese medicine additive can enhance the immunity of the pig, and the meat quality is improved; besides, palatability of the pellet feed is excellent, feeding and storage are facilitated, cleanness and sanitation are achieved, no waste is generated, and the production benefit is effectively improved.

The invention belongs to the technical field of forage, and discloses composite Chinese herbal medicine anti-stress stomach-strengthening forage of growing-finishing pigs. The composite Chinese herbal medicine anti-stress stomach-strengthening forage of growing-finishing pigs comprises: by weight, 30 to 40 parts of corn, 10 to 20 parts of biscuit powder, 10 to 20 parts of wheat-middling, 10 to 20 parts of soybean meal, 3 to 10 parts of rice bran meal, 10 to 20 parts of wheat bran, 0.5 to 1 part of calcium hydrogen phosphate, 1 to 1.5 parts of stone flour, 0.1 to 0.5 parts of salt, 0.4 to 0.6 parts of growing-finishing pig composite premix, 0.1 to 0.5 parts of lysine, 0.01 to 0.05 parts of threonine, 0.05 to 0.2 parts of a mildew inhibitor, 0.01 to 0.05 parts of an anti-oxidant, 0.01 to 0.05 parts of 5000IU phytase and 2 to 6 parts of composite Chinese herbal medicines, wherein the composite Chinese herbal medicines are composed of ligustrum lucidum, rhizoma atractylodis and wrinkled giant hyssop according to a weight ratio of (1.8 to 2.2): (0.8 to 1.2): (0.8 to 1.2). In the invention, Chinese herbal medicines are adopted by a formula of the composite Chinese herbal medicine anti-stress stomach-strengthening forage of growing-finishing pigs. Through the composite Chinese herbal medicine anti-stress stomach-strengthening forage of growing-finishing pigs, an anti-stress capacity of a growing-finishing pig is improved; daily weight gain is improved; a feed / gain conversion ratio is reduced; and good stomach-strengthening effects are obtained.

The invention discloses a selenium-rich feed for growing and fattening pigs and relates to a selenium-rich feed and particularly relates to a selenium-rich feed for growing and fattening pigs. According to the selenium-rich feed for growing and fattening pigs, the health condition of the pigs can be effectively improved by Chinese herbal medicines and a selenium element in the feed, the immunity of the pigs is improved, the weight of the pigs is rapidly increased and the marketing rate of fattened pigs is shortened. The selenium-rich feed for growing and fattening pigs consists of a selenium-rich raw material, Chinese herbal medicinal materials and conventional feed raw materials, wherein the selenium content of the selenium-rich feed is 0.1-0.2mg / kg. According to the selenium-rich feed for growing and fattening pigs, on the basis of the optimal formula of the conventional feeds, the selenium-rich raw material which can improve the immunity of the pigs and the health condition of the pigs is added in the feed, the natural selenium-rich plant raw material is added to the conventional feed raw material according to a certain proportion, and meanwhile the Chinese herbal medicines which can improve the color and luster, the texture and the mouthfeel of pork are added according to proportions, thus the selenium-rich nutrient feed is formed.

The invention discloses complete formula feed capable of improving growth performance and meat quality of pigs. The complete formula feed comprises the following raw materials in parts by weight: 50-60 parts of corn, 8-12 parts of 43% bean pulp, 9-16 parts of wheat bran, 5-7 parts of middlings, 2-4 parts of peanut meal, 3-5 parts of rice bran meal, 2-4 parts of cottonseed meal, 1-3 parts of soya-bean oil, 1.2-1.3 parts of calcium hydrophosphate, 0.9-1 part of rock flour, 0.4 part of table salt, 0.1 part of sodium bicarbonate, 0.2 part of probiotics, 0.5-0.7 part of 65% lysine, 0.05 part of threonine, 0.05 part of 30% ethoxyquin, 0.01 part of high-temperature phytase 5000, 0.05 part of a mildew preventive and 1 part of premix. By virtue of the complete formula feed, the growing and fattening pigs have high growth performance on the basis of energy protein balance, calcium and phosphorous homeostasis, amino acid balance and electrolyte balance; the pork quality can be improved; the feed reward can be improved; the feeding cost can be reduced; high-quality pork can be obtained; therefore, the live pig feeding economic benefits are increased.

The invention discloses a growing-finishing pig later-stage microorganism fermentation antibiotics-free feed, which is formed by mixing batch and compound fermentation materials. Weight ratio of the batch and the compound fermentation materials is 92-96:4-8, and the compound fermentation materials are formed by compounding the fermentation materials parts by weight, lactobacillus acidophilus fermentation material 2.5-5.5 parts, bacillus subtilis fermentation material 0.05-0.1 parts, saccharomyces cerevisiae fermentation material 0.50-1.85 parts, trichoderma longibrachiatum fermentation material 0.05-0.15 parts, aspergillus niger 0.05-0.2 parts and aspergillus oryzae fermentation material 0.05-0.2 parts. The growing-finishing pig later-stage microorganism fermentation antibiotics-free feedis many in beneficial bacterium variety and large in number and simultaneously contains a plurality of high-activity digestive ferment including beta-dextranase, xylanase, cellulose, protease and thelike, thereby having good synergy function, being capable of improving immunity of organism of animals and improving microecology environment, and further improving digestion using rate of the feed and enhancing economic benefit of cultivation and quality of pork.

The invention discloses an antibiotic-free pig feed used in a growing stage. The feed comprises the following components: 60-65% of corn, 15-18% of wheat bran, 1-2% of fish meal, 15-17% of bean pulp, 0.5-1% of calcium hydrophosphate, 1-2% of mountain flour, 1-1.5% of mixed bacterium fermenting agent and 1-1,5% of premix. By adding a microecologics agent into the feed, the resistance of an animal body is activated and improved, the flora balance in gastrointestinal tracts is adjusted, various nutrients and microelements necessary for growth and development of growing and fattening pigs are met by adjusting the formula, the weight gain rate of the pigs is increased, and the feeding cost is lowered.

The invention discloses a finishing pig feed and a pig feed prepared from the same. The finishing pig feed is obtained by mixing constituent raw materials such as maize meal, fermented dry poultry dung, extruded soybean, Hawk tea dust, modified soybean straw and chloranthus with Chinese medicinal herbs according to a certain weight part. In the finishing pig feed disclosed by the invention, a compound acidifying agent is added so as to stimulate the appetite of animals, enhance the food intake of the animals, promote the absorptivity of the animals for nutrient contents, increase the disease resistance of the animals and facilitate the healthy growth of pigs, in addition, health-care components are accumulated in pork so that the pork quality is improved, and the human health is facilitated; and Chinese medicinal herbal components are used to replace conventional antibiotics, so that endotoxin of the pigs is eliminated favorably, the pigs are kept in a good growing state, are prevented from suffering from sickness and are rapid in growth, and the pork is improved in quality and is more suitable for being eaten by people.

The invention discloses an excellent bacillus coagulans which is used in breeding finishing pigs and has effects of maintaining and adjusting microecological balance, enhancing body immunologic function and helping finishing pigs digest and absorb a feed and an application thereof. The technical scheme is characterized in that the bacillus coagulans HM-09 is preserved in the China General Microbiological Culture Collection Center on Oct. 29th, 2012; and the collection number is CGMCC No. 6729. The invention also discloses an application method of the excellent bacillus coagulans.

The invention discloses special non-resistant low-protein broussonetia papyrifera fermented feed for finishing pigs. The special non-resistant low-protein broussonetia papyrifera fermented feed is prepared from the following raw materials: maize, broussonetia papyrifera fermented materials, buckwheat short flour, soybean meal, cottonseed protein powder, grape seed meal, maize embryo meal, mulberryleaf powder, rock flour, 0.5 percent of composite multivitamins and composite multi-minerals for the finishing pigs, radix glycyrrhizae powder, feed-grade sodium chloride, acremonium terricola cultures, calcium hydrogen phosphate, coated cysteamine, chromium picolinate, meaical stone, expanded linseed, composite organic ferric agent, protease K, lactase, lysine, methionine, threonine, tryptophane, valine and sodium glutamate. The invention provides a preparation method of the special non-resistant low-protein broussonetia papyrifera fermented feed. The special non-resistant low-protein broussonetia papyrifera fermented feed and the preparation method of the special non-resistant low-protein broussonetia papyrifera fermented feed have the beneficial effects that by adopting the broussonetia papyrifera fermented feed, an utilization ratio of nutrient substances of feed raw materials can be increased, anti-nutrition factors are passivated, beneficial microorganisms are greatly bred and enriched, improvement and increase of quality of pork are promoted, a formula of the feed is reasonable, the cost is low, energy conservation and environmental protection are achieved, the growing-finishing effect is obvious, the pork is healthy, and the flavor is good.

The invention discloses a functional growing-finishing pig pre-mixing feed, which contains the following components per kilogram of the pre-mixing feed: 10-15g of sanguinarine, 300-500g of biochemical fulvic acid, 50-100g of glycine iron, and the balance pre-mixing feed. The pre-mixing feed adopts plant extracts, microbial fermentation products and organic trace elements to realize reasonable compatibility, thus stimulating growth hormone to secrete by endogenesis, increasing the pig protein synthesis speed safely and efficiently and inhibiting the fat synthesis speed. The pre-mixing feed can promote the growth and the proteinosis of growing-finishing pigs effectively and increase the lean meat percentage.

The invention relates to a growing-finishing pig compound feed for reducing pigsty ammonia concentration and a production method thereof, belonging to the technical field of livestock breeding. The compound feed comprises the following raw materials in parts by weight: 550-700 parts of corn, 50-150 parts of soybean meal, 20-100 parts of DDGS, 10-100 parts of rice ran, 10-80 parts of corn bran, 50-180 parts of beet pulp, 5-15 parts of vitamin premix, 5-15 parts of microelement premix, 3-5 parts of table salt, 1-5 parts of calcium hydrogen phosphate, 6-20 parts of calcium sulfate, 0.5-1.5 parts of choline, 0.5-10 parts of lysine, 0.5-10 parts of methionine, 0.5-10 parts of threonine, 0.5-5 parts of tryptophan, 0.1-0.3 part of yucca extract, 0.2-2 parts of protease preparation, 0.2-2 parts of feeding probiotics and 0-1 part of ethoxyquinoline. In the invention, regarding current breeding environment (particularly the closed environment in winter) and the nutrition level of commercial growing-finishing pigs, the release ability of manure ammonia in the pigsty is reduced by a nutrition regulation method, and a functional compound feed is provided for the growing-finishing pigs.

The present invention relates to a method of feeding finishing pigs a swine diet which enhances the quality of the meat produced including its drip loss, color, marbling and firmness and thus carcass characteristics. The swine diet includes L-carnitine or salts thereof and ractopamine or salts therof. The amount of the additives present in the diet is such that the quality of the resulting pork and thus carcass characteristics are improved.

The invention discloses a method for preparing a pig feed additive, and relates to a formula of the pig feed additive and a processing method thereof. The raw materials used in the present invention are complex enzymes for fattening pigs, Bacillus subtilis for pigs, enzyme-producing prebiotics and astragalus polysaccharides, and the weight ratio is: 100:40~60:40~60:20~30; Mixed into pig feed additives. The beneficial effects of the invention are: the feed additive is a high-tech product containing functional additives of enzymes, and the product contains compound enzymes, biological preparations and Chinese herbal medicine extracts. It can enhance the antibacterial properties of pigs, make them healthy, reduce fecal odor, improve the environmental sanitation of pig farms, increase feed intake and daily gain of fattening pigs, and save 10-15 kg of feed per pig. It can be put on the market 7 to 10 days in advance. At the same time, this product is a green and safe product, which not only saves costs, but also improves the economic benefits of farmers, and has great market development space.

The invention relates to a complete selenium-rich chromium-rich feed for pigs. According to the nutrient contents and the weight ratio of finishing pigs in different growth stages, selenium-rich chromium-rich yeast (in selenium-rich chromium-rich yeast products, the selenium content reaches 4000mg / kg, and the chromium content reaches 800mg / kg; and the additive amounts of selenium and chromium in the feed are respectively 0.3mg / kg and 0.2mg / kg) is artificially added to form a variety of complete feeds. The feed ensures the nutrient requirements of pigs, meanwhile the particular supplement of selenium and chromium is realized, and the feed is used for feeding the pigs for producing high-quality pollution-free selenium-rich chromium-rich pork. The invention is suitable for cultivation enterprises of scale and retail feeding and can generate good economic and social benefits. According to the formula, the average daily gain of finishing pigs is increased by 10-12% compared with that of ordinary pigs; the feed conversion ratio is reduced by 4% in the full-growth period; the growth and body condition is superior to ordinary pigs, the diarrhea incidence is reduced, and the disease resistance is enhanced; and the contents of selenium and chromium in pork products respectively reach 0.15mg / kg and 0.57mg / kg. Each nutritional index of the complete feed conforms to quality standards of the national concentrated feed.

The invention discloses a meat quality modifier as well as a preparation method and an application thereof. The meat quality modifier provided by the invention comprises the following components: vitamin C, vitamin E, ferrous fumarate, sodium selenite, betaine, L-carnitine and lysine, as well as methionine and threonine. The parts by weight of the components are shown as follows: 30-100 parts of vitamin C, 3-50 parts of vitamin E, 20-60 parts of ferrous fumarate, 0.02-0.1 part of sodium selenite, 30-100 parts of betaine, 3-20 parts of L-carnitine, 18-80 parts of lysine, 10-50 parts of methionine, and 10-50 parts of threonine. The method for preparing the meat quality modifier is implemented by evenly mixing the above components to obtain the meat quality modifier. The addition of the meat quality modifier to pannage can obviously improve lean meat percentage of growing-finishing pigs, improve meat quality and flesh color, and prevent beta exhilarant from harming human beings, thus ensuring good production benefit of farmers and sound development of hog industry.

The invention discloses a feed additive, functional feed, and a preparation method and an application of the functional feed. The feed additive is composed of sodium butyrate and glutamine with the weight ratio of 2:1, and the feed additive is capable of adjusting balance of intestinal flora of pigs, improving intestinal morphology and enhancing intestinal canal immune functions; the functional feed is composed of matrix feed and the feed additive with the weight ratio of 1000:1.5; and the sodium butyrate and the glutamine are added into particle feed according to appropriate dosage, and the functional feed is fed to weaned pigs, growing-finishing pigs and sows so that health conditions of intestinal canals of the pigs can be obviously improved, diarrhea occurrence rates of piglets and the growing-finishing pigs are reduced, growing of the piglets and the growing-finishing pigs is promoted, and reproductive performances of the sows are improved.