99 results about "Neutral Detergent Fiber" patented technology

The invention discloses a feed capable of improving the milk yield of milk cow at the peak of lactation. The feed comprises the following nutritional substances in each kilogram of dry substances by weight: 150 to 180g of crude protein, 160 to 200g of crude fibers, 300 to 400g of neutral detergent fibers, 210 to 212g of acid detergent fibers, 5 to 10g of calcium, 4 to 6g of available phosphorus, 60 to 80g of by-pass protein, and 45 to 75g of by-pass fat, wherein the weight ratio of the by-pass protein to the by-pass fat is (0.9-1.5):1; and the net energy for lactating cow in each kilogram of the dry substances is 1.5-1.7kcal. When the feed is used for feeding the milk cow at the peak of lactation, the requirement of the special digestion system of the milk cow on nutrition can be met, theproduction performance, milk quality and feed conversion efficiency can be improved, and side effects, such as medicinal residues, environmental pollution and the like, are prevented.

The invention relates to an enzyme and bacterium complexing agent for degrading crop straws. The enzyme and bacterium complexing agent comprises the active components including a microorganism complexing agent and compound enzyme. An experiment result shows that xylogen, neutral detergent fibers, acid detergent fibers, acid detergent xylogen, cellulose, crude protein and the like of the straws treated by the enzyme and bacterium complexing agent are well degraded; the degrading rate of rumens of ruminants to the xylogen of the straws is increased, and the surrounding of the xylogen around other nutritional components is broken through, so that the availability of the straws is improved. The enzyme and bacterium complexing agent disclosed by the invention is convenient to use; the straws are not required to be subjected to physical pretreatment; the fermentation time of the straws is short; an effect of the complexing agent is better than that in the prior art.

The invention relates to a fiber screen bag and a method for rapidly determining coarse fibers. After special fibers are used for making a screen with pore diameter being 25.0mum, a sample is put into a screen bag with certain size and is respectively boiled in acid and alkaline for 40min, then the sample is washed clean, dried and weighed and the content of the coarse fibers can be calculated by subtracting the weight of ash. The fiber screen bag and the method can be used by scientific research institutions, analysis and detection institutions, feed plants and the like to rapidly determine the content of the coarse fibers of feed, grains, oil and food on a large scale, and can also be used for rapidly determining neutral detergent fibers (NDF), acid detergent fibers (ADF), celluloses, hemicelluloses, dietary insoluble fibers, lignin and the like on a large scale. Compared with the traditional national standard method, the method has the advantages that the method is suitable for large-scale rapid determination, the efficiency is high, the time is short, the precision and the accuracy are high, the cost is low, and equipment such as any fiber determination instrument, filter and suction filtration devices and the like are not required. The fiber screen bag has the advantages that the bag is not floated, the weight is not lost, the moisture is not absorbed, the bag is not broken, the ash does not exist and the like when solvents such as acid, alkaline, acetone and the like are used for treatment.

The invention discloses silage. The silage is prepared by using residues of bamboo shoot processing, salt, corn meal and urea as raw materials and carrying out fermentation on the raw materials, wherein, the residues of bamboo shoot processing have a water content of 65-70 wt%, the amount of salt accounts for 0.5 wt% of that of the residues of bamboo shoot processing, the amount of corn meal accounts for 3-4 wt% of that of the residues of bamboo shoot processing, and the amount of urea accounts for 0.5-1.5 wt% of that of the residues of bamboo shoot processing. According to the invention, theshelf life of the silage is prolonged to more than 1 year based on 2-3 months in the prior art, and the nutrient compositions and palatability of the silage are greatly improved. The main physical and chemical indexes and nutrient compositions comprise: a moisture of no larger than 70 %, a pH value of 3.5-4.1, a lactic acid content of no less than 2 % (percentage of dry matter), a butyric acid content of zero, a crude protein (CP) content of no less than 10 % (percentage of dry matter), a crude fiber content (CF) of 22-25 % (percentage of dry matter), a neutral detergent fiber (NDF) content of 53-62 %, and an acidic detergent fiber (ADF) content of 30-42 %.

The invention discloses Astragalus membranaceus serving as silage additive and application of Astragalus membranaceus in silage preparation. A method for preparing the silage, provided by the invention, comprises the following steps: adding Astragalus membranaceus and / or Astragalus membranaceus extract in silage raw materials, performing anaerobic fermentation to obtain the silage, wherein the Astragalus membranaceus extract is water-soluble matter extracted from Astragalus membranaceus with water. The silage prepared by the method of the invention has at least one of the following characteristics that: (1) crude protein content is higher than a control silage; (2) ratio of ammonia nitrogen to total nitrogen is lower than the control silage; (3) neutral detergent fiber content is lower than the control silage; (4) acid detergent fiber content is lower than the control silage; and (5) pH value is lower than the control silage.

The invention discloses a preparation method of a mutton sheep feed, which is used for preparing the mutton sheep feed by combining an ammoniation method, an alkalization method and a microorganism fermentation method, and provides the mutton sheep feed which is prepared by the method. The preparation method of the mutton sheep feed and the mutton sheep feed prepared by the preparation method, disclosed by the invention, have the benefits that (1), the technique of combining ammoniation and alkalization is adopted, so that the content of lignin and the content of neutral detergent fibers in cotton stalks can be effectively reduced, the palatability of the feed is improved, and the digestibility of crude fibers is increased; (2), a mixed bacterium liquid leavening agent is adopted, so that the nutrient value of the feed is increased to a certain extent, the detoxication of gossypol in the cotton stalks is also facilitated, the digestive absorption of animals is promoted, and the immunity of the animals is improved; (3), cotton straw resources of Xinjiang regions are fully utilized, so that on one hand, the problem that feed grains are in shortage is solved, and on the other hand, the preparation method of the feed is relatively simple, and the production cost is reduced.

An biological evaluation method for forage belongs to the field of forage technology. The method is as below: determining the total energy, crude protein, crude fiber, crude ash, crude fat, neutral detergent fiber, acid detergent fiber and acid detergent lignin of a non conventional forage by using an analytic method of applied chemistry, and then calculating the digestive energy, metabolic energy and net energy of the non conventional forage and evaluating; determining the digestive energy and metabolism energy indexes of animals by using an animal in vivo digestion experiment, and evaluating the nutritional value of the non conventional forage; determining digestive energy and metabolic energy indexes of animals by using an animal in vitro digestion experiment can, and evaluating the nutritional value of the non conventional forage. Applied chemical analysis and animal in vivo and in vitro digestion experiments are combined to establish a nutritional value evaluation system for non conventional forage resources. The method can comprehensively, systematically and accurately evaluate common non conventional forage resources in North china. The nutritional value evaluation system for non conventional forage resources can be utilized to establish an efficient and low-cost forage technology system and realize industrialized demonstration application.

The invention discloses a dry-and-wet neutral detergent fiber (NDF) macromolecular self-adhesive waterproof coiled material, as well as a production process and production equipment of the NDF macromolecular self-adhesive waterproof coiled material. The dry-and-wet NDF macromolecular self-adhesive waterproof coiled material is prepared from 20 parts of No.10 asphalt, 50 parts of No.100 asphalt, 6 parts of thermoplastic styrene butadiene rubber, 6 parts of styrene butadiene rubber, 5 parts of a softener, 3 parts of a curing agent, 4 parts of a reactant, 3.5 parts of a thickener and 2.5 parts of C9 resin. The production process comprises the steps of material blending, base stablizing, oil dipping and coating, film laminating, traction, compaction and the like. The production equipment sequentially comprises a raw material tank, an oxidation tank, a colloid mill, an oil dipping groove, an oil coating groove, a base drying machine, a base stopping machine, a base lap joint machine, a base unfolding device and the like. The dry-and-wet NDF macromolecular self-adhesive waterproof coiled material has the advantages of high creep property and adaptability of a product, high tensile performance, high elongation percentage and high performance; when being punctured by a sharp object, the product can be automatically repaired, so that water seepage is avoided, and the waterproof performance is improved; the process is simple and easy to operate, and easy to control.

The present invention provides a method for determining acid detergent fiber content in pasture. The method includes the following steps: (1) mixing and placing a neutral washing liquid and the pasture with a weight of A in a preservation bottle, and placing the preservation of the bottle in a pressure cooker, and heating to boiling for degassing; (2) sealing the preservation bottle and pressurizing the bottle in the pressure cooker to obtain a mixed liquid; (3) filtering the mixed liquid obtained in the step (2) with a filter with a weight of B to obtain a filter cake namely the neutral detergent fiber; and (4) drying the filter and the filter cake to a constant weight of C and then calculating according to a formula (I) to obtain the neutral detergent fiber (NDF) content in the pasture (%). Through depth analysis of NDF measurement principle, the present invention develops a simple method for determining NDF content in pasture.

The invention discloses a preparation method of animal feed and the animal feed. The preparation method utilizes combination of chemical composite treatment and biological treatment. The preparation method has the advantages that 1, through combination of chemical composite treatment and biological treatment, middle and crude fibers, neutral detergent fibers and acid detergent fibers of corn straws are effectively degraded, feed crude protein content is improved and feed nutrition value is improved, 2, the used biological fermentation bacteria improve feed palatability at a certain degree, is conducive to improvement of animal feed intake and digestibility and improves animal immunity and disease resistance, and 3, a corn straw resource is fully utilized and the feed preparation method has simple processes, high safety, no toxicity and damage and a low investment cost and solves the problem of winner feed shortage in the north region.

The invention discloses a method of preparing feed dietary fibers, wherein the method includes the following steps: 1) crushing and sieving raw materials containing dietary fibers, and adding water to soak the raw materials to obtain a substrate liquid; 2) emulsifying the substrate liquid to obtain emulsified substrate liquid; 3) adding an enzyme to the emulsified substrate liquid to perform enzymolysis, performing enzyme deactivation to an obtained enzymatic hydrolysate, performing centrifugation and collecting precipitates to obtain a filtered substance; and 4) inoculating probiotics to the filtered substance, and performing fermentation, sterilization and drying to prepare the feed dietary fibers. The method is simple in process. The selected fiber raw materials are low in cost and abundant in sources. In addition, compared with a conventional alkaline method, the method is greatly increased in fiber purity and swelling property and water retention ability of the fiber product. The dietary fiber product is not less than 60% in crude fiber content, is not less than 90% in neutral detergent fiber NDF, is not less than 70% in acidic detergent fiber ADF, is not more than 10% in moisture, is not more than 0.5% in coarse ash, is not less than 4.5 ml / g in swelling property and is not less than 4.2 g / g in water retention ability.

The invention provides application of astragalus polysaccharide to preparation of silage. The proportion of the astragalus polysaccharide in green feed is 0.001%-0.005%; and the green feed with the astragalus polysaccharide is fermented to obtain the silage. The invention further discloses a method for preparing the silage by the astragalus polysaccharide. The method comprises the following steps of: cutting up the green feed and spraying an aqueous solution of the astragalus polysaccharide on the green feed; and filling the green feed obtained in the first step to an ensiling bag, and fermenting the green feel at a room temperature. According to the invention, the astragalus polysaccharide is taken as a legume silage additive to ferment with a legume ensiling material, so that the growth and propagation of lactic acid bacteria can be promoted, and the fermentation quality of the silage can be improved. Compared with a contrast without astragalus polysaccharide, the prepared silage has the characteristics that the content of crude protein is enhanced, the ratio of ammoniacal nitrogen to total nitrogen is reduced, the content of neutral detergent fibers is reduced, the content of acid detergent fibers is reduced, and the content of lactic acid and lactic acid bacteria is higher.

The invention relates to a technology for producing feed-stage pectase by fermenting animal-source penicillium oxalicum obtained by being separated from a goose body, which belongs to the field of microorganism fermentation. An enzyme preparation with high enzyme activity, long storage period, good keeping quality, stable ingredient percentage content and high purity is produced by solid fermentation. The total enzyme activity of the produced pectase enzyme preparation reaches 10123.22U*g; the enzyme activity of polygalacturonic acid is 5101.23U*g which is 50 percent of the total enzyme activity; the pectinesterase activity is 6986.52U*g, which is 69 percent of the total enzyme activity; and the pectin lyase activity is 0.56U*g, which is 0.005 percent of the total enzyme activity. When 0.2 percent of the pectase enzyme preparation is added into the animal daily food, the digesting rate of coarse fiber (CF) is increased by 17.04 percent, the digesting rate of neutral detergent fiber (NDF) is increased by 12.15 percent, the digesting rate of acid detergent fiber (ADF) is increased by 13.95 percent, the net protein utilizing rate (NPU) is increased by 9.53 percent, and the apparent digestibility of Ca and P are respectively increased by 7.04 percent and 8.38 percent than those of a contrast group. The technology solves the key producing technical problem of the unconfirmed enzyme ingredient and the content of the enzyme preparation used for producing the feed of compound bacteria fermentation, and provides a new technology for the reasonable compatibility and application of the enzyme preparation of different ingredients of the pectase.

The invention provides a breeding method of entire silo corn hybrids. The breeding method comprises the steps of breeding a parent selfing line, isolating spatially, artificially hybridizing, bagging for isolation and selfing for achieving homozygosity; performing test mating on a selfing line A and a selfing line B to obtain a single cross hybrid F1; and finally, carrying out test mating on the single cross hybrid F1 used as a female parent and a third selfing line C used as a male parent to breed the entire silo corn hybrid (three-way cross hybrid). The breeding method adopts three selfing lines to breed the entire silo corn hybrid and opens up a new method for breeding of the silo corn hybrid; the bred three-way cross hybrid has the characteristics of high quality, high biological yield and high seed production, contains more than 10% of crude protein, lower than 45% of neutral detergent fibers and lower than 25% of acid detergent fibers; two selfing lines are subjected to test mating to obtain the single cross hybrid, then the single cross hybrid used as the female parent and another one selfing line used as the male parent are used for seed production, and therefore, the seed production yield is ensured and the seed production cost can be reduced.

The invention discloses a nested PCR (polymerase chain reaction) kit for detecting duck-manure pollution in a water body and a detection method thereof, and belongs to the field of the detection of pollution in water bodies. The nested PCR kit for detecting the duck-manure pollution in the water body comprises two pairs of nested PCR primers, dNTP (deoxyribonucleoside triphosphate), a PCR buffer, a Taq polymerase, a Mg<2+> solution and ddH2O (double distilled water). Two rounds of PCR amplification are used by a nested PCR method. The detection method comprises the following steps of extracting a DNA (deoxyribonucleic acid) in a to-be-detected water sample, and carrying out a first round of PCR amplification by using the DNA in the to-be-detected water sample as a template, wherein the primers are an SDF (stroma derived factor) and SDR (short-chain dehydrogenase / reductase); after a first reaction is terminated, carrying out a second round of PCR amplification by using a product of the first round of PCR amplification as a template, wherein the primers are an NDF (neutral detergent fiber)and NDR, and after a second reaction is terminated, detecting the existence of a 158bp strip, which shows that the water body is subjected to the duck-manure pollution, through agarose gel electrophoresis. According to the method, the detection sensitivity is greatly increased through nested PCR amplification; a little duck-manure pollution which exists in water can be detected; moreover, the method has a favorable specificity, and can be directly applied to the detection and the preventive treatment work of fecal pollution in the water body.

The invention discloses a method for making full-time grains of herbivorous animals with crop straws. The method comprises the following steps: taking the crop straws as main raw materials and performing high-temperature and high-pressure gas explosion on the crop straws, so as to obtain a high-energy straw composite feed semi-finished product; adding corns, bean pulp and accessories that are 10-20%, 5-15% and 2-7% of the weight of the crop straws respectively into the semi-finished product, fully and uniformly stirring the mixture and performing extruding granulation or briquetting, so as to obtain a finished product. According to the method, cell walls of the crop straws are destroyed by adopting a high-temperature and high-pressure gas explosion method, so that neutral detergent fibers in the crop straws can be remarkably decreased, and cellulose and hemicellulose rich in the crop straws can be more effectively utilized; compared with the traditional full-time grains of the herbivorous animals, the full-time grains of the herbivorous animals, which are made by the method disclosed by the invention, is low in cost and high in energy efficiency and has a nutrient structure which is more suitable for ruminants such as cattle, sheep and the like, and grains used for fodder can be greatly decreased.

The invention discloses a construction method of an effective component prediction model for silage corn and application thereof, thereby solving technical problems of resource wasting and low economic benefit. The method comprises: taking a sample, drying the sample and pulverizing the dried sample; analyzing crude protein, moisture, neutral detergent fiber, acid detergent fiber and starch content values; carrying out near-infrared spectrometer scanning and collecting on the sample by means of grating continuous spectroscopy of an near-infrared spectroscopy; and carrying out detrending correction and standard normal variable transformation preprocessing on an original spectrum of diffuse reflection of obtained data, and then establishing a corresponding prediction model by using a partialleast squares method and detecting content of nutrients in silage corn by using the model. According to the invention, on the basis of combination of the near-infrared spectroscopy technology with chemometrics method, a qualitative and quantitative calibration mathematical model between chemical values of main components of silage corn and near-infrared spectroscopy data is established by using multivariate data analysis software, thereby establishing a rapid component of the main components of silage corn and laying a foundation for precise feeding.

The invention relates to a silage additive for corn silage and application of the silage additive. Lactobacillus plantarum is matched with tara tannic acid, gallic acid, neutral detergent fibers and acid detergent fibers, so that the obtained silage additive has the advantages of reducing protein degradation and enhancing oxidation resistance; the problems that protein in corn silage is fast in degradation and large in loss, and the feed is poor in oxidation resistance are solved. The silage additive is good in effect when applied to corn silage, low in preparation cost, capable of being industrially produced and wide in application prospect.

In a ruminant feed, rumen undegraded protein (“RUP”), which is protein orally ingested and passed through the rumen in an undegraded or undigested state, is determined through analysis of feed components in the feed and is used to modify the feed formulation to control a level of RUP exiting the rumen of the ruminant. Additionally the RUP and rumen undegraded neutral detergent fiber (“RUNDF”) content of selected feed components may be received based on an analysis of the feed components and the feed ration may be formulated accordingly. The RUP content may be determined by comparing analysis results with a calibration curve of previously analyzed feed components.

The invention discloses a yellow corn stalk silage feed preparation method. According to the preparation method, corn stalks, schizophyllum commune, lactic acid bacteria and purified water are utilized as the raw materials; then raw materials are pretreated at first and then fermented in a segmented mode to obtain a yellow corn stalk silage feed. According to the yellow corn stalk silage feed preparation method disclosed by the invention, microorganisms can jointly grow reasonably in a fermenting process, and the problem of microorganism antagonism is avoided. The preparation method disclosedby the invention is especially favorable for degrading cellulose, hemicellulose and lignin, wherein the lignin degrading rate can reach 35.55% or more, the hemicellulose degrading rate can reach 47.33% or more, the lignin degrading rate can reach 30.21% or more, and compound bacteria can be completely degraded. Furthermore, degradation products have high nutritional ingredients, and a final product has comprehensive nutritional ingredients and contains varieties of ingredients of dry matter, crude protein, acid detergent fiber, neutral detergent fiber, organic acid and the like; furthermore, after fermentation finishes, the lactic acid content can reach 164 g / kg or more, acetic acid can reach 56 g / kg, and propionic acid can reach 47 g / kg or more; the aerobic stability in a fermenting process is good, so that the yellow corn stalk silage feed is very suitable for serving as a feed ingredient of ruminants.

The invention relates to application of lanthanum chloride to inhibition of rumen methane emission in ruminant feeds. The rumen methane emission can be reduced to the maximum extent by adding 0.4-1.0mmol lanthanum chloride / kg dry matter (DM) into a feed with the neutral detergent fiber content being 30%-55%; the lanthanum chloride is low in cost, safe, nontoxic and low in residue content in the actual application and cannot cause injury to domestic animals and human health.

The invention discloses a method for storing green feed, which comprises (1) classifying corns in the wax ripeness stage into leaves, leaf sheaths, stems and corns, and measuring chemical compositions of various parts, with measurement indices of crude protein (CP), neutral detergent fiber (NDF) and water soluble carbohydrate (WSC); (2) preparing enzyme preparation solutions with four concentration gradients and lactobacillus solutions with four concentration gradients, adding enzyme preparation solutions and lactobacillus solutions with different concentration gradients into leaves, leaf sheaths, stems and corns, respectively, and ensiling; (3) analyzing the chemical composition of silage, including pH value, lactic acid, NDF, CP and WSC; (4) mixing silages subjected to the same treatment, and drying at 60-70 DEG C; and (5) determining the type and amount of additives with different chemical composition characteristics, which are added into the green feed in accordance with silage fermentation characteristics and in vitro fermentation characteristics. The inventive method has simple process and easy operation, and can effectively reduce loss of nutrients such as proteins in the green feed and improve the utilization ratio of nutritional ingredients in the green feed.

The invention provides a sample bag for measuring feeder rumen organic substance, protein, NDF and ADF degradation rate and an application thereof. A certain amount of to-be-measured feed samples are put in sample bags to be put in the ruminant rumen after mechanical sealing, the feed samples are taken out after being digested in the ruminant rumen for certain time to be washed and dried, and the ruminant feeder rumen organic substance, protein, NDF and ADF degradation rate is measured by processing polyester mesh bags including residues. Compared with measuring of ruminant feeder rumen organic substance, protein, NDF and ADF degradation rate through a nylon bag method, the method has the advantages of being capable of performing batch processing, simple and rapid in operation step, good in repeatability, low in cost, simple in analysis method, high in data accuracy and the like and capable of providing a simple and efficient measuring method for ruminant feed nutritive value evaluation.

The invention discloses ecological fermented cow feed taking pennisetum purpureum schumab cv.purple and lobular horse tamarind as substrate. The ecological fermented cow feed is prepared from the following raw materials: pretreated lobular horse tamarind, pennisetum purpureum schumab cv.purple and lactic acid fermentation assistant bacteria. A preparation method of the ecological fermented cow feed comprises the following steps: (1) pretreating lobular horse tamarind; (2) drying pennisetum purpureum schumab cv.purple; and (3) carrying out secondary fermentation, namely uniformly mixing the rawmaterials, then putting into a fermentation container, controlling material stacking thickness, sealing, and fermenting for 35-45 days at room temperature, so that the ecological fermented cow feed is obtained. The ecological fermented cow feed disclosed by the invention has the advantages that the problems that nutrition of single gramineous pasture fermented feed is imbalanced and content of neutral detergent fibers and acid detergent fibers is too high are solved, nutrient substances and bioactive substances in the pennisetum purpureum schumab cv.purple and lobular horse tamarind are fullyreserved by adopting a secondary fermentation manner, palatability of leguminous pasture is improved, feeding cost is effectively reduced, and the ecological cow feed is comprehensive in nutritive value, good in palatability and easy to absorb.

The invention provides a method for determining the detergent fiber content in the straw residues of sweet sorghum. The method includes: pretreating sweet sorghum straw; preparing neutral detergent, acid detergent and sulfuric acid; digesting a pretreated sample with the neutral detergent, and calculating to obtain the content of neutral detergent fibers; reweighing a sample, digesting the sample with the acid detergent, and calculating to obtain the content of acid detergent fibers; treating with the sulfuric acid, and calculating to obtain the content of acid detergent lignin, cellulose content, hemicellulose content and lignin content. The method is simple in procedure, capable of conveniently and fast determining various parameters such as the content of the neutral detergent fibers in the straw residues of the sweet sorghum, and capable of providing data and theoretical support for the resource utilization of the straw residues of the sweet sorghum.

The invention provides nutritional fermented palm meal and a preparation method thereof. The preparation method comprises the following steps: taking palm meal as a raw material, mixing the palm mealwith water, uniformly stirring, and performing treatment at 165 DEG C for 10 minutes; inoculating microbial strains according to the weight of the palm meal after treatment, and performing fermentation at 30-45 DEG C; and carrying out low-temperature drying after the fermentation is finished. In the fermented palm meal, the protein content is more than or equal to 12%, acid-soluble protein accounts for more than 8% of the protein content, the total acid content (calculated by lactic acid) is more than or equal to 0.6%, the neutral detergent fiber degradation rate is more than or equal to 12%,and the beneficial microorganisms of the product are more than or equal to 109CFU / g. The production cost is low, the fermentation process is easy to control, and the product quality is stable. The nutritional value of the palm meal and the bioavailability are improved, and the fermented nutritional feed is directly used and partially replaces concentrated feed and silage corn. The prepared fermented palm meal can be eaten by ruminants, the digestive absorption capacity of the ruminants can be improved, the micro-ecological balance in animal bodies can be adjusted, and the disease prevention and resistance capability of the ruminants can be enhanced.

The invention discloses a lactic acid bacteria microbial inoculant applicable to myriophyllum quaticum silage, and a preparation method and application of the lactic acid bacteria microbial inoculant.The lactic acid bacteria microbial inoculant is prepared from lactic acid bacteria and myriophyllum quaticum juice, wherein the content of lactic acid bacteria in the lactic acid bacteria microbial inoculant is 1.7*10<7>-8.4*10<7>CFU / g, and the lactic acid bacteria are selected from a group comprising lactococcus lactis, lactobacillus plantarum and a composite microbial inoculant obtained by mixing lactococcus lactis and lactobacillus plantarum. According to the preparation method, the lactic acid bacteria are cultured and domesticated by utilizing juice of myriophyllum quaticum, and the lactic acid bacteria microbial inoculant is used for fermenting the myriophyllum quaticum silage so as to prepare the myriophyllum quaticum silage. By adopting the lactic acid bacteria microbial inoculant, the pH value, the content of butyric acid and the content of neutral detergent fibers of the myriophyllum quaticum silage can be reduced, while the content of crude proteins and the content of generated lactic acid are increased, so that the fermentation quality and nutritional value of the myriophyllum quaticum silage can be improved, and data reference is provided to resource utilization of the myriophyllum quaticum and popularization and application of the myriophyllum quaticum in culture production.

The present invention discloses a protein feed and method for preparing the same. The method for preparing the protein feed provided by the present invention obtains the protein feed by fermenting the flax. In the inventive protein feed, the content of the crude protein obviously increases relative to the raw material, the neutral detergent fiber is significantly reduced, thereby producing a large number of proteases and increasing the nutritional value. The products have sufficiently improved colors relatively to the raw material, aromatic smell, loose materials, improved foraging velocity and feed intake of the livestock, sufficiently improved palatability and improved biology valence of the flax feed. The method of the invention not only saves energy and simplifies the production process, and has advantages of high-yielding, simple process, low investment, low energy consumption, less covering and so on. The present invention has great economic value and social significance.

The invention discloses a determination method for the content of Italian ryegrass neutral detergent fibers, which can be used for rapidly determining the content of the Italian ryegrass neutral detergent fibers. The determination method comprises the following steps: providing a predication model for the real content of the neutral detergent fibers in Italian ryegrass based on a near infrared spectroscopy; collecting a near infrared original spectrum of a sample on the basis of the known real content of a lot of samples; establishing a quantitative analysis predication model for the content of the Italian ryegrass neutral detergent fibers based on the near infrared spectroscopy and a chemometrics method; pre-treating to-be-detected Italian ryegrass samples to obtain the to-be-detected Italian ryegrass sample powder; collecting the near infrared original spectrum, wherein the time of a spectrum collection process is short; and detecting after collecting the near infrared original spectrum. The determination method has the characteristics of simplicity in operation, rapidness in detection, high detection efficiency, high detection precision and the like. The determination method is suitable for popularization and application in the field of pasture nutritional quality evaluation.

The invention relates to a silage processing method of switchgrass. The method comprises the following steps: simultaneously adding a complex microbial inoculant and cellulose complex enzyme to the switchgrass and carrying out anaerobic fermentation, wherein the complex microbial inoculant is prepared by respectively fermenting lactobacillus plantarum, bacillus subtilis and galactococcus to obtain fermentation liquors, and mixing the obtained fermentation liquors. The cellulose complex enzyme is selected from one or more of driselase D9515, cellulose V2010, cellulose C9748 or hemicellulase. According to the silage processing method provided by the invention, the fermentation level for switchgrass silage is effectively improved; a fermented product is low in pH value, and high in coarse protein content and in-vitro dry matter digestibility; the content uniformity of a neutral detergent fiber, the cellulose, hemicellulose and lignin is reduced to a certain extent; the silage processing method provided by the invention is ecological, safe, simple and easy to apply, and low in cost; and the silage effect is obviously improved.