52results about How to "Guaranteed meat quality" patented technology

The present invention discloses a cultivation method of ecological native chickens, and relates to the technical field of livestock and poultry cultivation. The cultivation method comprises the steps of chicken house constriction selection, variety selection, feeding, stocking, feeding management and disease control. The feeding management and the disease control run through the whole feeding process. The ecological native chickens cultivated by the cultivation method have peculiar flavor of rural native chickens, meat is delicious, and nutritive value is high.

The invention discloses a slaughtering device which comprises a base, a driving mechanism and an imprisoning tank. The imprisoning tank comprises a first rotating table, a second rotating table, a first splint, a second splint, a top cover, a bottom plate and a neck pressure plate; the first rotating table is provided with a neck clamping mechanism and a turnover mechanism; the neck clamping mechanism comprises a neck clamping door and a neck clamping cylinder; the upper part of the neck clamping door is provided with a neck placement concave cavity and the neck placement concave cavity is in slide fit with two parallel guide rails arranged on the first rotating table; the turnover mechanism comprises a fixture and a fixture cylinder; the neck pressure plate is positioned above the first rotating table and the length direction of the neck pressure plate is vertical to the moving direction of the neck clamping door; the driving mechanism comprises a transmission shaft; both a first chain and a second chain are in transmission connection with the transmission shaft; and the transmission shaft is also sequentially connected with a speed reducer and a motor. The slaughtering device provided by the invention has a simple structure and high slaughtering efficiency; labor intensity and cost of workers can be reduced; and the slaughtering device has a high safety coefficient and long service life and is also beneficial for showing live killing and ensuring meat quality of beasts.

The invention discloses a multifunctional intelligent fishing boat with an automatic obstacle avoiding, tracking and identifying function, and belongs to the technical field of intelligent fishing boats. The fishing boat comprises a boat body, the boat body comprises a fishing device, a driving system, a positioning communication system, an image processing system, an overwater automatic obstacleavoiding system, an overwater automatic tracking system and a control system, and the control system receives and processes signals and data transmitted by the fishing device, the positioning communication system, the overwater automatic obstacle avoiding system, the overwater automatic tracking system and the image processing system, transmits instructions to the fishing device and the driving system and controls operation of the fishing device and the driving system. According to the fishing boat, automatic obstacle avoiding and tracking can be achieved, so that the boat reaches optimal water quality and fish quality positions, fishes are identified, automatic fishing is achieved, and food safety is ensured. According to the fishing boat, manual control is omitted, one-key starting of the fishing boat is implemented, the fishing boat can automatically work in a water area and catch a lot of fishes, is wide in fishing range, high in moving performance and portable and cannot waste time and labor.

A method for breeding beefs comprises the following steps that the beefs are fed with accessory food including, by weight, 30-40 parts of corn flour, 8-10 parts of distillers' grains, 6-10 parts of sweet potato powder, 5-8 parts of fried soya-bean cakes, 4-6 parts of cavings, 3-5 parts of bone meal and 1-2 parts of salt. The beefs are fed with the accessory food boiled with water in a mixed mode; the beefs are placed on a mountain slope for stocking at noon; the beefs are fed with accessory food including, by weight, 25-30 parts of rice meal, 12-15 parts of tofukasu, 10-12 parts of sorghum flour, 6-8 parts of soybean meal, 5-8 parts of corn, 4-6 parts of fish meal and 1-2 parts of salt. The beefs are fed with the accessory food boiled with water in a mixed mode; the beefs are fed with 30-40 parts of green grass, 25-35 parts of vegetables and 20-30 parts of sweet potato vines at night. According to the method for breeding the beefs, an ecological beef fattening mode is kept through green breeding, and the meat quality of the beefs is effectively guaranteed.

The invention relates to a later-period compound feed for environment-friendly nonresistant broilers. The compound feed has high animal digestion utilization rate, can maintain the flora balance of digestive tracts effectively and is low in cost, and environment pollution is reduced. The later-period compound feed is prepared from the following raw materials in part by weight: 580 to 630 parts ofcorn, 90 to 120 parts of bean pulp, 85 to 105 parts of wheat middlings, 25 to 45 parts of vegetable dregs, 50 to 70 parts of distiller dried grain with soluble (DDGS), 20 to 40 parts of corn albumen powder, 20 to 30 parts of meat bone meal, 3 to 7 parts of calcium carbonate, 0.3 to 0.7 part of composite vitamin, 10 to 30 parts of grease, 2.0 to 6.0 parts of lysine, 0.2 to 0.6 part of methionine, 0.1 to 0.5 part of threonine, 2.0 to 3.0 parts of table salt, 0.3 to 0.7 part of antioxidant, 0.3 to 0.7 part of microecological preparation and 0.1 to 0.5 part of phytase.

The invention relates to a Chinese herbal medicine feed additive. The Chinese herbal medicine feed additive comprises 14 to 25 parts of tea, 14 to 19 parts of pine needles, 7 to 12 parts of haw, 7 to 20 parts of Chinese yam, 7 to 15 parts of vine of multiflower knotweed, 9 to 19 parts of red-knees herb, 7 to 12 parts of milkvetch root, 7 to 15 parts of honeysuckle flower and 0.5 to 1.5 parts of yeast powder. The feed with the Chinese herbal medicine feed additive can fully eliminate the damage produced by glucocorticoids on animals, guarantee livestock and poultry meat quality, promote livestock and poultry healthy growth, and improve livestock and poultry immunity. Therefore, the Chinese herbal medicine feed additive is an ideal additive and has wide market prospects.

The invention discloses a freezing device capable of keeping quality of mackerel fillets and aims to provide a freezing device capable of freezing the mackerel fillets quickly and continuously and solving the problem that during quick freezing, the mackerel fillets are frozen on the surface of freezing equipment due to the fact that freezing is caused between water on the surfaces of the mackerel fillets and conveying belts. The freezing device comprises a freezing chamber, a belt conveying mechanism and a flexible spreading-out mechanism, the belt conveying mechanism comprises a frame and a conveyor which is arranged on the frame and used for conveying swimming crabs, the conveyer is formed by a plurality of separate-moving conveying belts which are arranged abreast and penetrate through the freezing chamber, during working of the conveying belts, one of any two adjacent separate-moving conveying belts is higher than or smaller than the other one in conveying speed, and the flexile spreading-out mechanism is positioned right above the conveyor and close to the input end of the conveyor and comprises a flexible poking plate which is rotatably arranged on the frame via a transverse shaft lever.

The invention provides a preparing method of a salted goose, and relates to the technical field of food processing. The method includes selecting a freshly slaughtered goose, immediately cooling the goose to expel lactic acid with the temperature being required to reduce to 0-4 DEG C rapidly in 18 h, dipping the goose in a pot-stewed soup material for 1-2 h, fully mixing stir-fried spices and table salt, evenly spreading the mixture onto the goose with the mass ratio of the table salt to the spices being 5-7:1, wetting a towel with a mixture of yellow rice wine and water, covering the goose with the wetted towel to pickle the goose for 10-20 h, dehydrating the pickled goose through dust-free hot circulating wind, airing and packaging. The salty goose is soft in meat, good in taste, long in storage time, rich in nutrition value, convenient in human body adsorption and healthy to eat.

The invention relates to a cattle concentrated feed which is composed of the raw materials of, by weight, 5-10 parts of wheat bran, 30-45 parts of soybean meal, 10-18 parts of peanut meal, 12-25 parts of puffed corn, 5-15 parts of cotton seed meal, 0.5-1.0 parts of great burdock fruit, 1.0-1.5 parts of medlar, 0.5-0.8 parts of gold theragran, 0.3-0.8 parts of pilose asiabell root, 0.2-0.6 parts of Mongolian milkvetch root, 0.6-1.2 parts of hawthorn fruit, and 0.1-0.3 parts of trace elements. According to the cattle concentrated feed provided by the invention, various vitamins and trace elements are added, such that necessary trace elements can be supplemented, feed nutrition is balanced, feed nutritive value is high, and feed protein content is high. With the added traditional Chinese medicine additives, cattle immunity can be enhanced. The traditional Chinese medicines cause low toxic and side effects, no drug resistance, and no residue in product. Therefore, beef quality is ensured.

The invention discloses a catching device of opsariichthys bidens, and belongs to the technical field of catching devices. The catching device comprises a fishing net, inserting rods and fish inlets.Multiple frame rods penetrate through the surface of the fishing net, the frame rods are bent downwards, the fish inlets are formed in the portions, between the frame rods, of the fishing net, the tail ends of the frame rods are connected with the inserting rods, and the tops of the frame rods are connected with a fixing disc. The catching device is small in size, convenient to use and high in stability in water, the opsariichthys bidens can be induced, the caught opsariichthys bidens cannot escape, metabolism of the opsariichthys bidens can be promoted, and the meat taste of the opsariichthysbidens can be improved.

The invention discloses an intelligent ecological chicken raising system, which relates to the technical field of poultry breeding and is used to solve the problems of poor chicken quality due to the limited range of activities of the existing centralized chicken breeding, including centralized breeding sites and natural activity sites. Set up chicken coops and feeding areas, set up atomizing sprinkler head 1, ventilation fans and ventilation windows on the top of the centralized breeding site, set controllers in the centralized breeding site, and connect the centralized breeding site and the natural activity site through a movable door to allow natural activities A belt drive mechanism is set on the ground of the venue, a grass area is set on the ground at the front end of the belt drive mechanism, insect breeding cages are set in the grass area, green trees and vegetation are set in the natural activity site, habitat brackets are set on the green tree vegetation, and broadcasting is set on the wall of the natural activity site. The ventilation skylight is arranged on the top of the natural activity field, and the invention realizes the green ecologicalization of the chicken growth environment, and the chicken is in constant motion so that the chicken is delicious and the feeding efficiency is improved.

The invention discloses feed capable of remarkably improving disease resistance of a pangolin and a preparation method of the feed. The feed is prepared by proportionally mixing termite powder, shrimp shell powder, rice, black locust leaf powder, cooked egg yolks, milk powder, pomegranate barks, Indian kalimeris herbs, merremia boisiana, Chinese mosla herbs, oxalis corymbosa, compound vitamin, compound microelements, glucose, hydrolyzed protein and miramycin, wherein the compound vitamin comprises vitamin B, vitamin A, vitamin E and vitamin D, and the compound microelements comprise iron, copper, zinc, manganese, selenium, iodine and tin. The feed is excellent in taste, low in preparation cost and rich and reasonable in nutrition, the autoimmunity of the pangolin can be enhanced while growth and development of the pangolin are promoted, the disease resistance of the pangolin is enhanced, the scale and shell quality and the meat quality of the pangolin are ensured, common diseases of the pangolin in the artificial breeding process can be actively treated, the breeding risk of the pangolin is remarkably reduced, and economic benefits are improved.

The invention discloses a nutritional goose feed capable of improving the intestinal tract. The nutritional goose feed is prepared from the following raw materials in parts by weight: 60-70 parts of brown rice, 60-70 parts of rice bran cake, 60-70 parts of whole rye flour, 5-8 parts of euphausiid powder, 1-2 parts of beautiful galangal fruit, 1-2 parts of ferula asafetida, 3-4 parts of subprostrate sophorae, 10-15 parts of wheat bran fiber, 20-25 parts of apple fiber, 10-15 parts of sargassum thunbergii powder, 4-5 parts of garlic skin, 20-30 parts of spleenwort, 10-15 parts of stevia rebaudian, 10-12 parts of pig blood, 3-4 parts of saccharomycetes, 3-4 parts of phagostimulant and a proper amount of water. Since brown rice, rice bran cake and whole rye flour are adopted as main raw materials, the nutritional goose feed can meet the nutritional need for rapid growth of geese, guarantee the meat quality of geese, shorten the growth period of meat geese, enhance the healthy growth of meat geese, increase the immunity of geese and lower the breeding cost.

The invention provides a pickling processing technique for flavored eels. The pickling processing technique comprises the following steps of: raw material preprocessing: slaughtering a fresh eel, cutting a slit along the direction of abdominal fin basal toward the dorsal fin basal, removing the gills, internal organs and the like, washing away the black film and the blood stain inside the cavity, carrying out flushing with a de-fishy liquid, and then carrying out natural air-drying till the surface of the eel is free of water; pickling: adding salt in the pre-processed eel and carrying out rolling and kneading for 3-15 minutes, hierarchically coating the surface of the eel with compound medicinal materials, carrying out pickling at 6-14 DEG C for 36-72 hours, adding accessory materials and carrying out rolling and kneading, pickling for 3-10 hours, and stuffing the accessory materials into the belly of the eel with the weight of accessory materials being 13-25% of the weight of the eel; and packaging: placing the pickled eel into a preservative bag which contains an antiseptic agent, and carrying out vacuum packaging and storing under normal temperature to prepare the flavored eel. The flavored eel provided by the invention is low in salt content, compact in meat texture, and good in color, flavor and taste.

The present invention discloses a fattening and breeding method for improving beef quality of beef cattle in high-humidity areas. The fattening and breeding method comprises steps of cattle shed construction, fattening cattle selection, fattening in an early-stage, fattening in a medium-stage, fattening in a late-stage, pest and disease damage prevention and cure, daily management and timely slaughtering. During the fattening period of the beef cattle, the proportions of each feed of the beef are scientifically and reasonably adjusted; parasite expelling ensures that the cattle are healthy and disease-free; grazing can help digestion and absorption of nutrients, accelerates the weight gain of the cattle, improves the disease resistance and healthy growth of the cattle, improves the adaptability of the cattle to the environment, enables the beef to be stronger, more beautiful and better in mouthfeel, and improves the quality of the beef. Edible enzymes, micro-ecological preparations and extracts of traditional Chinese medicines are used to feed the cattle, accelerate the metabolism of the beef cattle, promote the growth of the beef cattle, enhance the body immunity of the beef cattle, remove free radicals produced by the cattle bodies under moist heat stress conditions, improve the antioxidant functions of the beef cattle under the moist heat stress conditions, have a certain protective effect on muscle fiber damages caused by the moist heat stress, and thus ensure the beef quality of the beef cattle.

The invention discloses a color retention preservative, and a preparation method and application thereof. The preparation method for the color retention preservative comprises the following steps of: adding dry red bayberry leaf powder into an acetone solution, leaching for 15 to 60 minutes, and separating to obtain an extracting solution; and removing acetone from the extracting solution, extracting by using hexane and dichloromethane in turn, separating to obtain a water phase, and removing an organic solvent from the water phase to obtain the color retention preservative. Red bayberry leaves are taken as a raw material and are extracted by the organic solvent, and the extracting solution is separated, so that the proanthocyanidin-containing color retention preservative is obtained. In the method, the raw material is easily obtained, the operation is simple and convenient, and the extraction efficiency is high. The color retention preservative prepared by the method is used for retaining color and keeping freshness of shrimps, has the characteristics of safety, high efficiency, and environment friendliness, and has good effects of slowing the blackening of the shrimps, keeping the meat quality of the shrimps, preventing decay and deterioration and the like; and the product also can be used for retaining color and keeping freshness of other crustacean and mushrooms.

The invention provides a meat thawing pond. The meat thawing pond comprises a thawing box housing, wherein a steel wire separating net is arranged on the upper surfaces of limiting plates; a control switch is fixedly mounted on the front side surface of the thawing box housing; heating rods are respectively and electrically connected with the control switch; three groups of through holes are respectively and laterally formed in the upper end surface of each of two sides of the thawing box housing; an air opening groove is formed in each outer side surface of a fixing device box; a fan is arranged in the fixing device box; and a water storing box adopting an integral structure is arranged at the lower end on one side surface of the thawing box housing. According to the meat thawing pond disclosed by the invention, meat which needs thawing is placed on the surface of the steel wire separating net; water is poured in a water storing cavity, and can flow in a thawing cavity; the control switch is turned on, so that the water in the thawing cavity is heated by the heating rods, and meat can be quickly thawed by hot steam of the water; and the fan is turned on, so that redundant hot steam can be discharged from the thawing cavity through the through holes, and the situation that in the thawing process of the meat, the meat quality is fresh is guaranteed.

The invention discloses a method for disinfecting a commercial meat partridge cultivation place periodically periodically. The method comprises the following steps that (1) the shed for breeding partridges is thoroughly cleaned at 6 o'clock to 8 o'clock every morning, disinfectant is sprayed after cleaning is finished, and the disinfectant comprises, by weight part, 1 part of peracetic acid, 5:8 part of caustic soda and 100 parts of water; (2) suffumigation is carried out on the shed for breeding the partridges every 20-30 days, that is, one part of formalin and 0.3-0.5 part of potassium permanganate are placed in a container, 1-2 times of water are added, the container is heated to generate gas, and the use level of the formalin and potassium permanganate solutions is 35-50ml / m3. The method prevents the partridges from being infected with germs, reduces the morbidity of infectious diseases, and guarantees the income of farmers. Meanwhile, the method guarantees the meat quality of the partridges and the safety of eaters, and opens the market of the commercial meat partridges.

The invention discloses a feed additive for preventing and curing respiratory diseases of poultry, prepared from the following components in percentage by weight: 6-10% of angelica sinensis, 6-10% of bulbus fritillariae cirrhosae, 5-7% of platycodon grandiflorus, 5-7% of liquorice, 3-6% of eriobotrya japonica leaves, 3-5% of ladybell root, 3-7% of coltsfoot flower, 3-5% of ginger, 3-6% of magnolia vine fruit, 2-6% of tuckahoe, 3-6% of bitter almond, 2-4% of menthol, 2-5% of medicine terminalia fruit, 3-6% of bezoar, 3-6% of dried orange peel, 3-6% of alum, 2-5% of eriobotrya japonica, 3-6% of wrinkled gianthyssop, 2-5% of malt, 3-6% of honey and 2-5% of calcium hydrogen phosphate powder. The feed additive for preventing and curing respiratory diseases of poultry better avoids dependence of the respiratory diseases of poultry on antibiotics, prevents the occurrence of respiratory diseases of poultry in advance, improves the antivirus ability of poultry, enhances the constitution of poultry, ensures good health of poultry, guarantees the meat quality of poultry and meets the requirements of people for poultry.

The invention discloses an ecological breeding method for native chickens. The method comprises the following steps: (1) selection of a site of chicken farm construction; (2) selection of varieties; (3) feeding; (4) management in a grazing stage; and (5) disease prevention and control. According to the method disclosed by the invention, a chicken farm is built on mountain land or a garden having aslope and fertile soil, so that the situations that the chickens fly over a hillside, pull and push soil and find insects to eat are facilitated, an exercise amount of the chickens is increased, andtaste of chicken is improved; the ecological native chickens are divided into chicklings, young chickens and laying hens, different breeding methods are adopted in different stages, targeted captive breeding is performed, and pollution-free feed, green feed, an EM micro-ecological preparation and high-quality fat are adopted for feeding, so that diseases are prevented, and resistance of the ecological native chickens is enhanced; the chickens are grazed on sunny days, the chickens naturally catch and eat the insects and grass and pull and push the soil to return to original ecology, the chickens are lead to jump, intelligence of the chickens is improved, the breeding method is healthy and scientific, and the obtained ecological chickens have excellent taste, fresh and delicious chicken, and high nutritive value.

The invention discloses broiler feed capable of promoting growth. The broiler feed is prepared from the following ingredients in parts by weight: 60 to 80 parts of wheat bran, 20 to 25 parts of calcium carbonate, 8 to 10 parts of whey powder, 6 to 9 parts of glycine betaine, 5 to 7 parts of linseed oil, 6 to 8 parts of nicotinamide, 2 to 3 parts of manganese methiionine complex, 2 to 3 parts of threonine, 2 to 3 parts of lactic fatty glyceride, 2 to 3 parts of coconut oil, 1 to 2 parts of glutamine, 1 to 2 parts of microelement premix, 1 to 2 parts of choline, 1 to 2 parts of citric acid, 1 to 2 parts of phosphorylase, 1 to 2 parts of streptococcus faecium, 0.8 to 1 part of bacillus, 0.5 to 0.7 part of bifidobacterium, 0.2 to 0.3 part of tea polyphenol, 0.02 to 0.03 part of squalane and 0.01 to 0.02 part of neotame. The broiler feed disclosed by the invention is scientifically compounded, can meet the nutrient requirement of quick growth of broilers, guarantees broiler meat quality at the same time, and further has certain resistance to going bad.

The invention provides a fresh-keeping method for frozen fresh chicken. The fresh-keeping method comprises the following steps: (1) preparation of a fresh-keeping solution which is composed of chitosan oligosaccharide, tea polyphenol, sodium isoascorbate, phytic acid, sodium citrate, spinach extract and water; (2) preparation of fresh-keeping gas: uniformly mixing CO2 and N2 so as to obtain the fresh-keeping gas; (3) gas-liquid mixing: cooling the fresh-keeping solution to 0 to 4 DEG C, then adding the fresh-keeping solution and the fresh-keeping gas into a gas-water mixer and carrying out uniform gas-water mixing at 0 to 4 DEG C so as to obtain a gas-liquid mixed fresh-keeping solution; and (4) preservation: soaking the frozen fresh chicken in the gas-liquid mixed fresh-keeping solution at 0 to 4 DEG C for 1 to 10 min, then taking out the soaked frozen fresh chicken, draining the soaked frozen fresh chicken until no liquid drips, then carrying out irradiation treatment, taking out thefrozen fresh chicken, carrying out vacuum packaging with packaging bags, and subjecting finished products to warehousing or cold-chain transport and selling. The fresh-keeping method can effectivelyprolong the shelf life of the frozen fresh chicken and guarantee the quality of the frozen fresh chicken.

The invention provides a sheep series pellet feed, and a preparation method and application thereof, and belongs to the technical field of animal production feed processing. The sheep series pellet feed includes individually-packed backup sheep feed, fattening period sheep feed, sheep feed in the first half period of gestation, and sheep feed in the latter half of gestation. According to the nutritional requirements of sheep at different physiological stages, cotton straw is combined with energy feed, protein feed, vitamins, trace elements and other feeds respectively and prepared into the pellet feed. The sheep series pellet feed is good in palatability, the free gossypol content is low, homogeneity is good, the sheep can be prevented from being picky eaters, feed intake is increased, feed loss and waste are effectively reduced, and digestibility and utilization of the feed are improved. According to the sheep series pellet feed, the unit cost of the daily ration the sheep can be significantly lowered, and the normal functioning of the production performance of the sheep and meat quality of mutton are guaranteed.

The invention discloses a production technology of microorganism composite microbial inoculum, and relates to the technical field of microorganism compounding agents. The production technology comprises the following steps of S001, identifying strains for production, and purifying or rejuvenating strains having functional changes or polluted by infectious microbes; and S002, before mass productionof the strains, performing laboratory pre-production test on the strains, determining appropriate growth temperature and growth PH of the strains and appropriate components and proportion of fermentation culture mediums, determining appropriate culture time of the strains, and drawing a growth curve of the strains. According to the production technology, the strains are subjected to identification and growing environment test before production, then bevel activation and strain culture are performed to obtain seed liquid and shake flask strains respectively, and finally, through fermentation with a seed jar and fermentation with a fermenter, the microorganism composite microbial inoculum is prepared. The microorganism composite microbial inoculum is simple in preparation process and low inpreparation cost, the quality of the microorganism composite microbial inoculum is improved, and the meat quality of livestock is effectively guaranteed.

The invention discloses a breeding method of native chickens. New bred native chicken varieties are stocked in an orchard, the mode of rearing the chickens in pens and the mode of freely ranging the chickens outdoors are combined, the land utilization rate of the orchard is increased, and the utilization problem of a large area of idle land of the orchard is solved. In the breeding process, the native chickens are scientifically bred and managed, in the day, the native chickens are stocked in the orchard, and at night or in rainstorm weather, the native chickens are inhabited in a henhouse. Inhabiting shelves and moth-killing lamps are arranged, more convenience is brought to the native chickens to inhabit, ample mosquitoes are provided for the native chickens, the healthy growth of the native chickens is guaranteed, and the meat quality and the growth speed of the native chickens are guaranteed.

Provided is a black goat breeding method. The black goat breeding method comprises the following steps of arranging a rest area, a feeding area and a playground in a goat house, laying dried rape straw on the bottom of a house bed, laying sawdust on the rape straw, and laying rice straw; feeding black goats with fodder during 7:00-8:00, letting the black goats into the playground for exercises during 8:00-11:00, enabling the black goats to return to the goat house and feeding the black goats with feed during 11:00-12:00, making the goats have a rest during 12:00-14:00, feeding the black goats with the fodder during 14:00-15:00, letting the black goats into the playground for exercises during 15:00-18:00, and enabling the black goats to return to the goat house and feeding the black goats with feed during 18:00-19:00, wherein water in a water drinking device is kept adequate, and the temperature of the water is maintained at 25-30 DEG C. According to the scientific and reasonable black goat breeding method, the black goats are provided with different required nutrient elements, the physique of the black goats is strengthened, and immoderate reliance on antibiotics is avoided; besides, the meat quality of the black goats is ensured, and the physical health of an eater is also guaranteed.

The invention relates to a preparation method of a casing. The preparation method comprises the following steps of preparing lotus root insoluble dietary fibers, dispersing the lotus root insoluble dietary fibers and vital gluten in purified water to form a dispersion liquid A, mixing human collagen and soybean protein, adding glycerol to form a mixed solution B, adding the dispersion liquid A into the mixed solution B, stirring, mixing, adding carboxymethyl cellulose sodium and food-grade sodium bicarbonate, sequentially carrying out high-speed and low-speed step-by-step stirring, introducingoxygen in the low-speed stirring process, adding a cross-linking agent, continuously stirring, and then preparing the casing. The casing prepared by the invention is high in structural stability, excellent in mechanical property, and strong in elongation and flexibility, so that the casing is not broken during sausage filling; a large number of uniformly distributed air holes exist in the casing,so that moisture generated by pickling after sausage filling is rapidly volatilized, and the drying time is shortened; and the viscosity between the sausage meat and the casing is high, so that the separation of the sausage meat and the casing can be efficiently avoided in the drying and subsequent cooking processes.

The invention relates to a fattening feed for beef cattle, and belongs to the technical field of cultivation of livestock and poultry. The fattening feed consists of the following raw materials in parts by weight: 30-40 parts of silage, 5-10 parts of sorghum, 5-10 parts of wheat bran, 15-20 parts of seasame cakes, 5-10 parts of carrots, 30-40 parts of corn, 1-5 parts of pumpkin seeds, 1-5 parts of cod-liver oil, 0.5-1 part of straw ash, 1-2 parts of table salt, 1-5 parts of baking soda, 1-5 parts of calcium hydrogen carbonate, 1-5 parts of bone meal, 1-5 parts of lemons, 0.1-0.5 part of chili peppers, 1-5 parts of black tea and 1-2 parts of distillers' grains. According to the fattening feed disclosed by the invention, mainly on the base that the original proportion of feed base materials is regulated, the pumpkin seeds, the straw ash, the lemons, the chili peppers and the black tea are added, so that the ingestion amount of the beef cattle is increased, the growth of parasites is restrained, the fattening cycle of the beef cattle is shortened while the meat quality of the beef cattle can be guaranteed, and the purpose of reducing the breeding cost is achieved.

The invention discloses a Tibetan-flavor suckling pig feed and a preparation method thereof. The feed is prepared from 10-15 parts of nutritional soup, 20-30 parts of soft-shelled turtle powder, 20-40 parts of soybean powder, 8-12 parts of dry mushrooms, 3-6 parts of datura metel, 5-8 parts of Rumex, 1-3 parts of European chicory, 1-3 parts of astragalus sinicus, 2-5 parts of broccoli and 3-6 parts of a pre-mixed material. The feed contains abundant calcium, phosphorus, iron, selenium, zinc and various vitamins, is easy to digest and absorb, can effectively supply nutrients, can improve disease resistance, ensures meat quality of Tibetan-flavor pigs and reduces fattening time of the Tibetan-flavor pigs.

The invention provides a feed for big ducks. The feed is composed of the following raw materials in parts by weight: 50 to 70 parts of corn flour, 20 to 30 parts of millet, 40 to 60 parts of rice bran, 20 to 40 parts of cottonseed meal, 20 to 30 parts of soybean meal, 10 to 18 parts of sodium alginate, 10 to 20 parts of bone meal, 15 to 25 parts of rapeseed cakes, 40 to 80 parts of glutinous ricedistillers' grains, 20 to 30 parts of sweet potato powder, 40 to 60 parts of bran, 15 to 21 parts of citric acid residue, 5 to 10 parts of methionine, 20 to 40 parts of feather powder, 10 to 20 partsof table salt, 2 to 4 parts of vitamin C, 16 to 26 parts of stone powder and 10 to 14 parts of calcium hydrogen phosphate. The feed is reasonable in proportion, rich in nutrients and high in proteins,can not only meet the nutritional requirements of ducks, but also ensure the normal growth of the ducks. The duck feed is healthy and efficient, and can also ensure the meat quality of the ducks.