36 results about "Ruminal fermentation" patented technology

The present invention relates to a composition for the delivery of active agents that are protected from environmental oxidation and are resistant to ruminal fermentation degradation but not intestinal digestion and adsorption. The composition may contain biologically active ingredients such as for example, vitamins, minerals, proteins, amino acids, fatty acids, nutritional supplements, and pharmaceuticals together with natural and/or synthetic lecithin phospholipids.

The invention discloses a milk replacer for stimulating calf rumen development and a feeding method thereof. The milk replacer consists of calfmeal and a calf starter. The calfmeal in the invention contains soluble dietary fiber able to maintain calf intestinal health, body immunity improving and palatability adjusting substances. Especially starch and particles in the starter have certain hardness which can promote the rumen nipple development of calves, and enough digestible fiber in the starter can support the normal proceeding of rumen fermentation, so that calves can be guaranteed to get nutrients necessary for growth and development from solid forage early, and the calf constitution can be improved, the disease resistance is enhanced, and the daily weight gain as well as the feed intake for solid forage are raised. With obvious feeding effect, the milk replacer of the invention has convenient raw material resource, rational price, and can reduce the feeding cost of calves and obtain great economic benefit. 350kg of fresh milk is needed for breeding a calf, while with the milk replacer, 300kg of fresh milk can be saved by each calf. Calves fed with the milk replacer provided in the invention can be weaned in 40 days, therefore, the feeding cost can be directly saved by 174.95 yuan by each calf.

The invention discloses a complex fungicide for improving feed fiber degradation rate and positively regulating rumen fermentation propionic acid generation as well as application thereof, belonging to the technical field of livestock and poultry feed. The complex fungicide contains bacillus subtilis, candida utilis and enterococcus faecium. According to the complex fungicide provided by the invention, the fiber digestibility of rumen microbial feed can be obviously improved, the total production amount of total rumen microbial fermentation volatile fatty acids is increased by 21.1 percent, and the positive regulation amount of gluconeogenesis precursor propionic acid production amount is 10.5-11.3 percent. The preparation method is simple and high in operability and is suitable for feed processing in livestock and poultry industry, and the ruminant feed energy utilization efficiency can be obviously improved.

The present invention relates to a feed supplement which comprises a resin acid based composition comprising over 10% (w/w) resin acids for use in the prevention of growth of harmful bacteria in the animal digestive tract, in the prevention of intestinal disorders, in the modulation of microbial population of the animal digestive tract, in enhancing rumen fermentation, lowering rumen methane production and/or in binding toxins. The invention further relates to a use of the feed supplement and a feed composition comprising the feed supplement.

Feed additives and feed supplements for ruminants in a granular shape containing nitrates and sulfates encapsulated with vegetable fats in order to allow a slow release in the ruminal digestive tract, aiming at reducing methane emission originated by the fermentative processes of the animal digestive tract.

The invention relates to a g method for producing a microorganism active complete feed for a mutton sheep by using straws. The method is characterized in that a complete feed containing corn straws is fermented by using three viable organisms including bacillus subtilis, lactobacillus plantarum and saccharomyces cerevisiae, thus obtaining a finished product of the active complete feed for the mutton sheep. By adopting a novel rumen regulating and controlling technology, the growth of some microorganisms in a rumen is activated, a function of regulating and controlling the fermentation of the rumen is put into full play, antibiotics added in the feed are replaced, and thus a remarkable effect is achieved for relieving subacute rumenic acid. The corn straws are comprehensively utilized by using a microorganism high technology, and the practical problems of feed shortage and excessive grazing capacity in a production process of culturing the green ecological mutton sheep are solved.

The invention relates to a preparation method of a composite plant powder for minimizing methane output of rumen culture. Garden balsam, Atractylodes lancea and Yedo violet which are dried to constant weight are crushed according to a certain proportion to prepare the composite plant powder. By the addition of 0.2%, 0.5% and 1.0% of the powder, the output of methane of rumen culture within 24 hours are respectively reduced by 83.62%, 96.89% and 98.67% in comparison with a control group. In comparison with the methane output in a monensin treatment group, the methane output by the addition of 0.5% and 1.0% of the powder is respectively reduced by 23.69% and 32.31%. In the meantime, the powder can also increase the output of total volatile aliphatic acid and reduce propionic/acetic acid ratio, and has a better effect than monensin. It shows through results that the composite plant powder has a substantial effect of reducing methane as well as performance for improving rumen fermentation, and can replace antibiotics to regulate and control rumen fermentation and control methane generation. Therefore, health and environmental problems derived from antibiotics can be effectively eliminated.

The invention discloses a feed additive for reducing methane emission of a bovine rumen, and a preparation method of the feed additive for reducing methane emission of the bovine rumen. The preparation method comprises the following steps: active substances and a carrier are evenly mixed, then an aqueous solution of a polysaccharide hydrophilic gel skeleton material is added for mixing, granulation is conducted, and low-temperature drying is conducted to obtain inner layer enveloped granules; the bio-degraded skeleton material and a film-forming agent are dissolved into an ethanol solution toobtain a mixed solution; a rumen fermentation regulator and the carrier are mixed to obtain a mixed material; the surfaces of the inner layer enveloped granules are sprayed with the mixed solution, then the inner layer enveloped granules are sent into the mixed material for rolling, then placed into the mixed solution to be subjected to still standing, and filtered, solids are sieved, and drying is conducted to obtain the feed additive for reducing methane emission of the bovine rumen.

The artificial rumen fermenting agent consists of rumen microbe 50-80 wt%, basidiomycetes colony 10-30 wt% lactic acid bacteria 5-30 wt% and saccharomycete 5-10 wt%. It has the advantages of decomposing cellulose, hemicellulose, lignin, etc. in stalk feed easily to raise the nutritive value, raise volatile fatty acid content, protein content and coarse fat content; raised feed utilization rate; and improved feed palatability.

The invention provides an application of creatine pyruvate as a feed additive for promoting rumen fermentation of heat stress beef cattle, and belongs to the field of feed additives. The proper use amount of creatine pyruvate used as a feed additive for promoting rumen fermentation of heat stress beef cattle is 20-60g/d.head, resource waste is caused by the too high addition amount, and the effectcannot be achieved due to the too low addition amount. As a feed additive for promoting rumen fermentation of heat stress beef cattle, creatine pyruvate can provide energy and a nitrogen source for rumen microbial fermentation at the same time, can effectively adjust the stress hormone level of the heat stress beef cattle, and can improve the oxidation resistance and rumen fermentation traits ofthe beef cattle to relieve the heat stress of the beef cattle.

The invention relates to the field of rumen regulation and control, in particular to a natural product preparation for promoting the rumen fermentation. The natural product preparation is prepared through the following steps: after grinding homalomena occulta roots, extracting with 60-80 mass percent of ethanol solution, and performing nitrogen flushing and freeze drying to obtain dry powder. Through researching, the inventor has discovered that the homalomena occulta roots have a certain effect on promoting the rumen fermentation. Homalomena occulta has a wide source property and cooperativity, the experiment through adopting a filter paper flat band method shows that obscured homalomena rhizome volatile oil has a function of inhabiting bacterium burgeri on flocks and herds. Therefore, the homalomena occulta root extractive preparation is hopeful to further comprehensively improving the rumen function and promoting the health of ruminants after scientific compatibility.

The invention relates to the technical field of feed additives, and provides a liquid feed additive for ruminants. The liquid feed additive is composed of the following components in percentage by weight of 60-70% of clostridium butyricum fermentation waste liquid, 3-8% of traditional Chinese medicine extract, 1-5% of chitosan, 2-6% of rumen acidity stabilizer, 5-10% of calcium supplement, 10-15%of propylene glycol, 0.5-3% of pH regulator and the balance of purified water. The preparation method comprises the following steps of heating purified water to 40-50 DEG C, dissolving the traditionalChinese medicine extract, the chitosan, the rumen acidity stabilizer and the calcium supplement into the purified water, heating to 100 DEG C, boiling for 30 minutes, cooling to room temperature, adding the clostridium butyricum fermentation waste liquid, and adding the pH regulator, thereby obtaining the liquid feed additive. The clostridium butyricum fermentation waste liquid is directly treated, secondary fermentation is not needed, meanwhile, the composite liquid feed containing probiotics, probiotic materials, rumen fermentation function regulators and the like is produced, and the probiotics and water-soluble probiotic materials in clostridium butyricum are applied to ruminant animal breeding.

The invention discloses a phytosterol formula for promoting rumen fermentation and a determination method thereof, and phytosterol is added to improve the gas production rate and volatile fatty acid yield of microbial fermentation and reduce the lactic acid yield at the same time. The addition amount of phytosterol has greater influence on rumen fermentation than the sterol component. When phytosterol B2 micrograms is added into each bottle, the promoting effect on rumen fermentation is most obvious.

The invention belongs to the field of genetic engineering, also belongs to the field of animal feed science, and discloses the construction of an engineering bacterium for expressing alpha-amylase and an application of the engineering bacterium in animal feed. The invention provides a high-temperature-resistant saccharomyces cerevisiae FCN (Preservation No.: CCTCC M 2014390), an amino acid sequence (SEQ ID No.1) of an alpha-amylase gene, and an amino acid sequence (SEQ ID No.2) encoded by the amino acid sequence (SEQ ID No.1), as well as a recombinant vector containing the gene, a recombinant strain containing the gene and application of the engineering bacterium in animal feed. The recombinant engineering bacterium constructed by using the gene can efficiently express alpha-amylase, and when soluble starch is taken as a substrate, the amylase can realize a 490U/mL crude enzyme. The engineering bacterium can produce thalluses by using starch, so that the production cost is reduced; and in rumen fermentation, the engineering bacterium can improve the utilization rate of starch in feed, increase the content of microorganism proteins and total volatile fatty acids, reduce the content of ammoniacal nitrogen, and promote the healthy growth of animals.

The invention relates to a mycotoxin adsorbent capable of improving rumen fermentation and application of the mycotoxin adsorbent. The mycotoxin adsorbent comprises the following components in parts by weight: 40-60 parts of montmorillonite and 40-60 parts of kieselguhr. Compared with the prior art, the mycotoxin adsorbent adopts simpler components, is safe to use, low in cost and remarkable in detoxification effect by optimizing a proper ratio, and effectively improves the rumen fermentation capacity of ruminants. The mycotoxin adsorbent can be widely applied to actual ruminant feeding.

The invention discloses a TMR daily ration rumen fermentation methane yield prediction method based on a PSO-BP neural network, and belongs to the field of methane yield prediction. The method comprises the following steps of: constructing a PSO-BP neural network, and performing normalization processing on the data of an input sample; establishing a data set; initializing the BP neural network according to the data set to obtain a weight and a threshold; after initializing a population, obtaining a particle swarm fitness value; determining an individual extreme value and a group extreme value; and updating a particle speed position, judging whether the iteration number reaches an end condition of initialization setting or not, if so, obtaining an optimal weight threshold value, calculating an updated weight threshold value, judging whether the iteration number reaches the end condition of initialization setting or not, and if so, starting simulation to obtain a prediction result. The method is used for solving the problem that the prediction error is large due to the fact that many data preprocessing is not ideal in an existing rumen fermentation methanogenesis prediction system.

The invention discloses a total mixed ration of cattle and sheep based on spent ganoderma lucidum substance and a preparation method of the total mixed ration. According to the invention, a spent ganoderma lucidum substance is subjected to ammoniation by virtue of urea or is compounded with urea and sodium hydroxide and then is added into daily ration of cattle and sheep. The ratio of the spent ganoderma lucidum substance subjected to ammoniation or compounding to dry substances of the total mixed ration of cattle and sheep is 5wt%-30wt%. According to the invention, the nutritive value of the spent ganoderma lucidum substance is obviously increased, the palatability of the spent ganoderma lucidum substance is improved, and the total mixed ration prepared by adding the spent ganoderma lucidum substance into the daily ration has a function of improving a rumen fermentation function and efficacy of improving immunity of cattle and sheep. The raw materials of the total mixed ration are readily available, the preparation technology is simple, the prepared spent ganoderma lucidum substance can be stored for a long time, feeding cost is lowered, economic benefit is increased, and thus the total mixed ration has wide application prospects.