133 results about "Feed conversion ratio" patented technology

This invention relates to the technical field of poultry farming, specifically to an integrated method, system, and device for collecting data on feed conversion ratio (FCR) and behavior of poultry raised on flat land. The device includes a main frame, a weighing platform, a feeding mechanism, an adjustable front door mechanism, a rotatable fan-shaped middle door deterrent mechanism, a feed trough weighing mechanism, an electrical control box, and an entrance control box. The system consists of the device and a control system, realizing process control, data acquisition, adaptive adjustment, and data management. The method controls single-bird entry through adaptive front door opening, completing the entire process through identification, weight detection, feed weight collection, timed feeding, and deterrenting. It can also deter multiple birds entering or those not feeding. This invention enables high-precision measurement of individual FCR and simultaneous acquisition of behavioral data, with accurate data, stable operation, and high device utilization, making it suitable for data collection in large-scale flat-land poultry breeding farms.

The application discloses application of a CALD1 gene SNP molecular marker in evaluation of chicken feed conversion rate traits and belongs to the technical field of chicken genetic breeding. The SNP molecular marker is located at the 401th nucleotide sequence shown in SEQ ID NO. 1, the 62383600th site of the first chromosome of a chicken, the RS number is rs732824512, and the base polymorphism is A or G. The polymorphic site is significantly related to the feed conversion rate traits of the chicken, the SNP molecular marker genotypes from high to low are GG, AG and AA in turn, the feed utilization performance of the chicken in the fast growth period can be more accurately judged, the chicken feed conversion rate traits can be early screened, the screening cost can be greatly reduced, the genetic breeding process can be accelerated, the breeding efficiency can be effectively improved, and the application has high economic application value and scientific research value.

This invention discloses an AI-based precision feeding system for aquaculture, belonging to the field of aquaculture. The system includes: an environmental monitoring module for collecting data on dissolved oxygen, water temperature, and light intensity; a sonar positioning module for acquiring data on the center of gravity height of fish populations; an AI-coupled calculation module for calculating the real-time feeding rate based on environmental parameters and center of gravity height using a multi-parameter coupling model; and an execution control module for driving the feeding machine according to the feeding rate. This invention achieves deep coupling between environmental physical parameters and biological behavioral indicators, effectively improving feeding accuracy through multi-dimensional assessment of fish feeding desire, reducing feed conversion ratios, minimizing water pollution, and shortening the aquaculture cycle.

The application discloses a breeding method for improving the quality of Sebastes schlegelii fry, and comprises the following steps: collecting parent fish in a Sebastes schlegelii original seed field, artificially cultivating the parent fish in a net cage at sea, and performing nutrition rejuvenation on the parent fish; obtaining offspring fry by using an artificial fry squeezing method; controlling reasonable culture density according to different fry specifications; screening and using natural plant active ingredients and common micro-ecological preparations which are easy to absorb; avoiding disinfection and drug use; and controlling water flow rate in different growth stages. The method integrates nutrition rejuvenation, artificial fry production, pollution-free water quality regulation and fry behavior state regulation, solves problems such as poor parent germplasm, dead fry or insufficient activity of fry, slow growth and poor stress resistance in the process of fry breeding, has strong controllability in the operation period, has high survival rate of fry, has remarkable growth promotion and immunity effect, has good prevention and treatment effect on bacterial diseases, realizes pollution-free fry breeding, can reduce disease occurrence and mortality, reduces the feed conversion ratio, and effectively improves the economic benefit of breeding.

The invention belongs to the technical field of feeds, and particularly relates to an ampelopsis grossedentata extract compound premix as well as a preparation method and application thereof. The compound premix is prepared from the following raw materials in parts by weight: 9 to 15 parts of ampelopsis grossedentata extract, 1 to 5 parts of monostroma extract, 2 to 4 parts of palmitoyl pomegranate peel extract, 1 to 3 parts of modified bentonite, 0.3 to 0.5 part of amino acid and 0.1 to 0.5 part of compound vitamin. The compound premix can significantly improve the animal immunity and the feed conversion rate and reduce the feed conversion ratio.

The application discloses a kind of composite guanidine group acetic acid feed nutrient additives and application, composite guanidine group acetic acid feed nutrient additives are according to dry base mass fraction, comprising the following components are made into composite granules by granulation processing: guanidine group acetic acid trace element complex: 30~70 parts;Methionine source: 20~60 parts;Carrier and binder: 5~25 parts;Wherein, the guanidine group acetic acid trace element complex is the chelation product of guanidine group acetic acid and trace element;The methionine source is selected from at least one of methionine, methionine salt, methionine hydroxyl analogue, methionine hydroxyl analogue calcium salt.This application integrates guanidine group acetic acid trace element complex, methionine and / or its hydroxyl analogue in a uniform solid particle, not only synergistic between components, and physical property uniform stable, convenient to use, can comprehensively improve the growth performance of animal, feed conversion rate and health condition.

The disclosure relates to methods for decreasing feed conversion ratios in fowl through administering isolated microorganisms to the fowl. In particular aspects, the disclosure provides methods of decreasing feed conversion ratios in fowl through administration of a Bacillus sp. to the fowl. The disclosure further relates to isolated microorganisms and compositions comprising the same.

This invention discloses the application of a porcine-derived Bacillus in antioxidant activity, wherein the porcine-derived Bacillus is used to prepare antioxidant products. The porcine-derived Bacillus is Bacillus subtilis YB-X-721, classified as Bacillus subtilis, and was deposited at the China General Microbiological Culture Collection Center on November 10, 2023, with accession number CGMCC No. 28942. The fermentation supernatant, bacterial suspension, and cell-free extract of the porcine-derived Bacillus subtilis YB-X-721 of this invention all possess certain DPPH free radical, superoxide anion free radical, and hydroxyl free radical scavenging abilities, as well as a certain reducing ability, and can be used to prepare antioxidant products. Furthermore, when the porcine-derived Bacillus subtilis YB-X-721 of this invention is added to piglet feed as an animal feed additive, it can improve the growth performance of weaned piglets, significantly increasing average daily weight gain, and significantly reducing average daily feed intake, feed conversion ratio, and diarrhea rate.

Provided herein, inter alia, are compositions of organic acid-producing microorganisms and methods of making and using the same to inhibit pathogenic bacterial populations in the gastrointestinal tracts of an animal and additionally promote improvement of one or more metrics in an animal, such as increased bodyweight gain, decreased feed conversion ratio (FCR), improved gut barrier integrity, reduced mortality, reduced pathogen infection, and reduced pathogen shedding in feces.

The utility model discloses a real-time monitoring device for monitoring the feed conversion ratio of sheep convenient to adjust, which comprises a base, the top of the base is fixedly connected with a sleeve, the inner wall of the sleeve is fixedly connected with a hydraulic rod, one end of the hydraulic rod is fixedly connected with a movable rod, one end of the movable rod is fixedly connected with a supporting plate, and the supporting plate is fixedly connected with the base. And the top of the supporting plate is fixedly connected with a sheath. The device solves the problem that a current real-time monitoring device for monitoring the feed conversion ratio of the sheep is inconvenient to adjust, and is provided with a movable rod, a monitoring camera main body, a sleeve, a supporting plate, a movable frame, a rotating shaft, a sheath, a hydraulic rod and a motor; according to the sheep feed conversion ratio monitoring device, the monitoring height and angle can be adjusted, so that the monitoring range of the sheep feed conversion ratio is expanded, meanwhile, the flexibility of the monitoring device during use is improved, monitoring work omission is avoided, and the monitoring effect of the sheep feed conversion ratio is further improved.

This invention relates to the field of aquatic compound feed technology, specifically to a special feed for mullet, silver carp, and golden carp cultured in saline-alkali land in Northwest China. The feed is characterized by being composed of the following raw materials by weight percentage: 10%–14% alfalfa meal, 16%–22% soybean meal, 16%–22% corn meal, 5%–7% molasses, 1%–3% yeast powder, 2%–5% lactic acid bacteria preparation, 2%–5% premixed feed for aquatic life in saline-alkali land in Northwest China, 1%–4% fish oil, and 1%–5% vegetable oil. This invention solves the problems of low survival rate, high feed conversion ratio, easy antagonistic inactivation of probiotics, fish oil oxidation, poor water resistance of pellets, and insufficient regional adaptability of traditional feeds. Compared with commercially available ordinary marine fish feeds, the survival rate of juvenile fish is increased by 15% to 30%, the feed conversion ratio is reduced by 10% to 20%, the Vibrio inhibition rate is ≥80%, the power consumption per ton of feed is reduced by 25% to 35%, and the raw material cost is reduced by 30% to 45%. It is suitable for large-scale aquaculture in saline-alkali land in Northwest China and has important value for improving the quality and efficiency of fisheries, ecological restoration, and rural revitalization.

The invention discloses a fattening feed additive composition for old cattle and a fattening method, and belongs to the technical field of feed. The additive composition comprises the following components in parts by weight: 13-20 parts of a rumen function regulator, 4-10 parts of an intestinal repair agent, 10-20 parts of a rumen bypass compound enzyme preparation, 5-10 parts of a muscle-increasing growth-promoting composition, 5.5-7.3 parts of a functional trace element composition and 32.7-62.5 parts of a carrier. Wherein the rumen function regulator is compounded by a coated saccharomyces cerevisiae culture and bacillus subtilis; the rumen bypass compound enzyme preparation comprises acid protease, neutral protease and cellulase; the muscle-building and growth-promoting combination is coated guanidinoacetic acid. Through regulation and control of a rumen-intestinal tract-tissue three-level linkage network, the rumen fermentation function of the old cattle is remarkably improved, the feed conversion rate is increased, and meanwhile muscle hyperplasia and meat tenderization are achieved. By means of the fattening method, the average daily gain of the old cattle is increased by 22.8% or above, the muscle shear force is reduced by 29.6% or above, the feed conversion ratio is reduced by 17.1% or above, and green and efficient fattening is achieved.

This invention relates to a method for preparing and applying a composition for promoting growth and reducing inflammation in laying chicks, belonging to the field of veterinary feed additives. The components and their weight ratios are as follows: 20-30 parts of Codonopsis pilosula extract, 15-25 parts of Astragalus membranaceus extract, 10-20 parts of Tartary buckwheat extract, 10-20 parts of Elsholtzia ciliata extract, 3-5 parts of zinc sucrose, 2-3 parts of emulsifier, and 1-2 parts of stabilizer. First, the four extracts of Codonopsis pilosula, Astragalus membranaceus, Tartary buckwheat, and Elsholtzia ciliata are concentrated, spray-dried, and then mixed evenly with zinc sucrose, emulsifier, and stabilizer using a three-dimensional mixer to obtain the composition for promoting growth and reducing inflammation in laying chicks. This composition can significantly improve the growth performance of laying chicks, enhance their immunity, effectively prevent and control inflammatory responses, and improve survival rate and feed conversion rate. It is suitable for laying chick farming and has broad market application prospects.

The invention belongs to the technical field of animal feed, and discloses a fermented total mixed ration for fattening mutton sheep based on agricultural by-products and a preparation method of the fermented total mixed ration. The fermented total mixed ration is prepared by taking apple pomace, tomato pomace and traditional Chinese medicine residues as main raw materials, matching with high-quality forage grass such as silage corn, alfalfa and a small amount of concentrated feed, regulating and controlling the raw material ratio, inoculating lactobacillus plantarum or lactobacillus buchneri and fermenting under an anaerobic condition. The preparation method is simple in process and good in fermentation stability, the dosage of concentrated feed in daily ration can be effectively reduced, and the feed cost is remarkably reduced. A fattening test verifies that the feed intake, the average daily gain and the feed conversion ratio of mutton sheep can be improved by feeding the fermented total mixed ration disclosed by the invention, meanwhile, the rumen fermentation performance is improved, the antioxidant and immune functions are enhanced, and the dressing percentage and the meat quality are improved. The method realizes efficient feed utilization of agricultural byproducts, and has good economic benefits, ecological benefits and popularization and application values.

The invention discloses a live pig feeding fine management device and system, and relates to the technical field of live pig breeding, the live pig feeding fine management device comprises a pig trough and a readable electronic ear tag, the pig trough is provided with a channel, and a first electronic weighing device is arranged below the channel; according to the invention, through readable electronic ear tag identification, automatic feeding control and double-scale synchronous metering, the identity, accurate feed intake and weight data of pigs are automatically collected when the pigs eat each time, a continuous individual data link is formed, and on the basis, real-time monitoring of the feed intake interval, automatic early warning of abnormal feed deprivation and early detection of diseases can be realized; according to long-term accurate feed conversion ratio and daily weight gain data, a quantitative basis is provided for scientific breeding of high-yield breeding pigs, the non-pregnant period is intervened and effectively shortened in time by continuously analyzing the weight change trend of breeding sows and intelligently assisting early pregnancy diagnosis, and finally, the system changes traditional empirical group management into traditional group management. And the system is upgraded to a data-driven and individualized intelligent management closed loop.

The invention provides a feed additive and compound feed for improving intramuscular fat of pork, and belongs to the technical field of animal feed. The additive consists of the following components in parts by mass: 30-40 parts of codonopsis pilosula, 20-25 parts of rhizoma atractylodis, 12-16 parts of folium eriobotryae, 10-15 parts of bighead atractylodes rhizome, 10-15 parts of poria cocos, 8-12 parts of hawthorn, 18-22 parts of pomegranate rind and 5-10 parts of liquorice. The feed additive disclosed by the invention can effectively solve the problem that the meat quality and flavor of modern commercial pigs are reduced due to high lean meat percentage breeding through the synergistic effects of tonifying spleen, promoting appetite, promoting nutrient absorption and regulating metabolism. When the feed additive is applied to live pig feeding, the average daily gain and the meat-feed ratio of pigs can be remarkably increased on the premise that the thickness of back fat is not increased, meanwhile, the carcass lean meat percentage, the marbling score and the intramuscular fat content are increased, and the yield and the edible flavor of pork are comprehensively improved.

The application belongs to the technical field of microbial fermentation, and particularly relates to a fermentation product of fruit and vegetable wastes and corn stalks and application thereof. The fermentation product is obtained by inoculating Aspergillus oryzae SLY-M-15 fermentation product and Saccharomyces cerevisiae into a first mixture containing crushed and air-dried corn stalks and fruit and vegetable wastes, performing aerobic fermentation, adding a second mixture containing crushed and air-dried corn stalks and fruit and vegetable wastes and corn cob, performing secondary aerobic fermentation, inoculating Lactobacillus casei, Lactobacillus acidophilus and Lactobacillus fermentum, and performing anaerobic fermentation. The obtained fermentation product is applied to animal feed, can improve the average daily weight gain of mutton sheep, reduce the feed conversion ratio, improve the tenderness and cooked meat rate of mutton, and increase the content of n-3 polyunsaturated fatty acids.

The invention relates to the field of breeding, in particular to a feed transfer method, device and system and a program product. The system comprises a transfer bag, a transfer machine, a disinfection transfer channel and a dispatching center, wherein the transfer bag is used for loading feed at a central transfer tower and recording feed information in the transfer bag; the first transfer machine is used for grabbing and lifting a transfer bag filled with feed and transferring the transfer bag to an inlet of the disinfection transfer channel, and the second transfer machine is used for grabbing and lifting the transfer bag at an outlet of the disinfection transfer channel to a target position; the disinfection transfer channel is used for disinfecting the transfer bag put in by the first transfer machine and conveying the transfer bag to an outlet of the disinfection transfer channel; and the dispatching center is used for reading the label of the transfer package grabbed by the second transfer machine, obtaining feed information in the transfer package and determining the target position of the transfer package according to the feed information. The system is safe in transfer, can reduce the feed pulverization rate, reduces waste, improves the feed conversion rate, and facilitates reduction of the breeding cost.

This invention provides a method and application for improving the intestinal health of broilers using earthworm powder, belonging to the field of animal nutrition and feed technology. This invention solves the problems of poor growth performance, impaired intestinal health, and soybean meal substitution caused by nutritional deficiencies in broiler mixed meal diets. It includes the following steps: (1) raising earthworms in a substrate formed by mixing fermented chicken manure and Chinese medicine residue at a mass ratio of 2:3, and adding 2000 ppm sodium citrate to the substrate, controlling the substrate humidity at 50% to 55% and the temperature at 23 to 25°C; (2) preparing earthworm powder by freeze-drying the earthworms obtained in step (1) after disinfection; (3) replacing part of the soybean meal with 5.0% to 5.5% of the protein such as earthworm powder in the mixed meal broiler diet, and feeding the broilers. This invention significantly improves the growth performance, feed conversion ratio, immune function, intestinal digestive enzyme activity, intestinal morphology and barrier function of broilers, and optimizes the cecal microbiota, ultimately achieving efficient reduction and substitution of soybean meal and healthy and efficient broiler breeding.

The invention belongs to the technical field of animal molecular breeding, and particularly relates to application of a haplotype molecular marker for improving the utilization efficiency of large white pig feed, and the haplotype molecular marker comprises a haplotype 1 and / or a haplotype 2; the haplotype 1 comprises 8 sites of SNP2-SNP9 in total, and the haplotype 2 comprises 26 sites of SNP10-SNP35 in total; the application refers to any one of the following steps: identifying the feed conversion rate of the large white pigs; the feed utilization rate of large white pig offspring is improved. The haplotype H002 individuals and the haplotype H004 individuals are individuals with low feed conversion rate in each LDblock haplotype module, and the haplotype H002 individuals and the haplotype H004 individuals are individuals with low feed conversion rate in each LDblock haplotype module. In the actual breeding process, H002 and H004 haplotype individuals are reserved, screening of individuals with high feed utilization efficiency and seed reserving are facilitated, the accuracy of early-stage seed selection of the feed utilization efficiency character of the large white pigs is improved, and good economic benefits and wide application prospects are achieved.

This invention discloses a SNP marker associated with chicken feed conversion ratio and its application, belonging to the fields of molecular genetics and gene breeding technology. The SNP marker is located at position 35867073 bp on chicken chromosome 7, with a reference genome version of GRCg7b, and exhibits T / A polymorphism. Individuals with the AA genotype at this position have lower feed conversion ratios than those with other genotypes. The SNP molecular marker of this invention can be applied to the breeding of superior chicken breeds, significantly improving feed utilization efficiency and possessing high economic application value.

The invention relates to the technical field of agricultural intelligent control, discloses a self-adaptive regulation and control method and system for an ecological breeding environment, and aims at solving the problems that in traditional breeding, environment monitoring is one-sided, regulation and control are lagged, and the regulation and control are disjointed with biological requirements. The method comprises the following steps: constructing a water body full-dimension dynamic monitoring network through a multi-source heterogeneous sensing unit; combining the rationalization parameters and the biological behavior characteristics to generate a composite environment state tensor; dynamically generating a regulation boundary based on a species physiological response model; and solving a multi-execution-mechanism cooperative control instruction by taking the minimization of the environmental fluctuation entropy and the maximization of the growth rate gain as a combined target. The system comprises six units of environment perception, biological vision analysis, state modeling, boundary generation, collaborative optimization and execution control. According to the technical scheme, the stability of dissolved oxygen is remarkably improved, the risk that ammonia nitrogen exceeds the standard is reduced, the feed conversion rate is increased, energy consumption is reduced, and collaborative optimization of ecological and economic benefits is achieved.

The invention belongs to the field of biological fermentation feeds, and discloses a preparation method and application of a Sophora alopecuroides feed based on multi-bacterial enzyme synergistic fermentation, and particularly relates to a preparation method of a Sophora alopecuroides feed based on multi-bacterial enzyme synergistic fermentation by taking Sophora alopecuroides straw as a raw material, adopting a complex microbial inoculant composed of lactobacillus plantarum, saccharomyces cerevisiae, bacillus subtilis and aspergillus niger, cooperating with cellulase and beta-mannase, and performing multi-bacterial enzyme synergistic fermentation. The compound is prepared through a two-stage fermentation process of aerobic enzyme production and anaerobic detoxification. The invention provides a preparation method and application of a Sophora alopecuroides feed based on multi-bacterial enzyme synergistic fermentation, toxic alkaloids in Sophora alopecuroides can be efficiently degraded, the crude protein content can be significantly increased, and fibers can be degraded, and after the prepared fermented feed replaces corn in daily ration of mutton sheep, the daily gain of the mutton sheep can be significantly increased, the feed-to-weight ratio can be reduced, and the production cost can be reduced. The flavor and the nutritional value of the mutton are improved, high-valued and safe utilization of toxic agricultural wastes is realized, and a new scheme is provided for green breeding and high-quality animal product production.

The invention belongs to the technical field of agricultural waste resource utilization, and particularly relates to an application of a black ink fruit extract in preparation of a product for reducing methane emission and / or nitrogen excretion of animals, a preparation method of the black ink fruit extract comprises the following steps: drying black ink fruits, and crushing the dried black ink fruits to obtain black ink fruit powder; taking ethanol with a volume fraction of 60% as an extraction solvent, adding the black ink fruit powder for extraction, and collecting an extract liquid; and centrifuging, decolorizing, filtering, concentrating and freeze-drying the leaching solution to obtain the black ink fruit extract. According to the invention, it is proved for the first time that the black ink fruits can inhibit a methane generation key approach and reduce ammonia nitrogen concentration by regulating rumen fermentation while not damaging feed basic digestibility and animal health. The method not only directly brings emission reduction and environmental protection benefits, but also can improve the utilization efficiency of feed energy and protein, improve the milk protein rate and the feed conversion rate, and realize double improvement of environment and production benefits.

The invention relates methods for assessing a risk of antibiotic resistance of a microbial community, comparing a risk of antibiotic resistance caused by a plurality of antibiotic resistance genes of a first microbial community and a plurality of antibiotic resistance genes of a second microbial community, stratifying subjects for the treatment with an agent that increases welfare and / or health status of the subject, assessing the effect of a treatment on the antibiotic resistome of a subject or a group of subjects, and the use of the methods for the assessment of animal welfare, animal health, animal performance and / or feed conversion rate (FCR). The present invention also relates to electromagnetic signal, data processing systems, computer programs, and / or apparatuses for carrying out the methods of the invention.

The present application belongs to the cross field of microbial technology and insect breeding, and relates to a strain of Levilactobacillus brevis PMG and application of the strain in breeding of Tenebrio molitor. The Levilactobacillus brevis PMG is preserved in the China General Microbiological Culture Collection Center on January 14, 2025, and the address of the center is No. 1, Xibaixili, Chaoyang District, Beijing, and the preservation number is CGMCC No. 33401. Compared with conventional feed, the feed added with the Levilactobacillus brevis PMG can significantly improve the pupation rate of Tenebrio molitor, and the increase is up to 49.20%. Meanwhile, the feed promotes the feed conversion effect, and the feed conversion rate is relatively reduced by 10.45% to 18.30%, thereby reducing the breeding time and breeding cost of Tenebrio molitor, and having important application value.

The application provides a molecular marker related to feed conversion rate of sheep and application thereof in breeding. The application finds that a T / C polymorphism site exists at the 233th position of an amplified fragment by performing PCR amplification and sequence analysis on an APOD gene of sheep, further detects the polymorphism site of 897 Hu sheep by using AQP primer pairs, establishes a least square model, performs correlation analysis on the genotypes and the feed conversion rate, and finally determines that the amplified APOD gene fragment can be used as the molecular marker related to the feed conversion rate of sheep. The molecular marker can be used for breeding of a new breed of high-quality meat sheep with grain-saving, and provides a genetic engineering means for genetic improvement of the feed conversion rate of sheep, and has great practical application value.

The invention discloses a concentrated feed for piglet growth and a preparation method thereof, and belongs to the technical field of pig feeds, the feed comprises the following raw materials by weight: 45-55 parts of fermented soybean meal, 10-20 parts of fish meal, 1.5-5 parts of soybean oil, 5-15 parts of a premix, 1-3 parts of a binder, 1-3 parts of a functional additive, and 5-10 parts of deionized water; according to the piglet feed disclosed by the invention, high-quality protein sources such as the fermented soybean meal and the fish meal are combined with the precisely designed premix, so that balanced supply of amino acids, vitamins and mineral substances is ensured, and the nutritional requirements of rapid growth of piglets are met. The feed has the advantages of being good in particle quality, good in palatability, high in digestibility, strong in disease resistance and the like, and finally, the daily gain of piglets and the feed conversion rate are increased, the death and culling rate and the medical cost are reduced, and remarkable economic benefits are brought to farmers.

The invention discloses application of intestinal source bacillus licheniformis in preparation of feed for improving growth performance of piglets or reducing diarrhea, and is characterized in that the intestinal source bacillus licheniformis is bacillus licheniformis RD508, and the preservation number is GDMCC No: 64606. Test results show that compared with a control group, the average daily gain of the piglets in the group B and the group C is remarkably increased, the feed conversion ratio is remarkably reduced, and the diarrhea rate of the piglets in the test group added with the bacillus licheniformis RD508 is remarkably reduced.