204 results about "Feed conversion ratio" patented technology

The invention relates to a molecular marker primer related to the feed conversion rate character of Muscovy ducks and application of the molecular marker primer, and belongs to the technical field of molecular detection. According to the molecular marker SNP related to the feed conversion rate character of the muscovy ducks, nucleotide sequences of SNP primers are shown as SEQ ID NO: 1-SEQ ID NO: 2, a first molecular marker is located at the FSTL4 gene GWHBJBF00000015: 17461711 position on the 15 # chromosome in a muscovy duck reference genome KizCaiMos1.0, and a basic group at the position is T or G, and a second molecular marker is located at the position of the FSTL4 gene GWHBJBF00000015: 17461711 position of the 15 # chromosome in the muscovy duck reference genome KizCaiMos1.0. The second molecular marker is located at the FSTL4 gene GWHBJBF00000015: 17461712 position on the No.15 chromosome in the Muscovy duck reference genome KizCaiMos1.0, and the basic group at the position is G or T. The Muscovy duck feed conversion rate screening device has the advantages that Muscovy duck feed conversion rate screening can be achieved, the seed selection accuracy is improved, and the seed selection efficiency is improved.

The invention discloses a feed additive for synergistically improving oxidative stress resistance of broiler chickens based on oleuropein-luteoloside-maslinic acid ternary combination and application of the feed additive, the feed additive is the olea europaea leaf extract, the total polyphenol content of the feed additive is about 52%, the total flavone content is 7%, and the total flavone content is 5%. The feed is mainly composed of oleuropein, luteolin-7-beta-glucoside and maslinic acid, the oleuropein, the luteolin-7-beta-glucoside and the maslinic acid are sequentially added in a molar ratio of 6: 1: 1 to generate a synergistic anti-oxidative stress effect, and when the feed is applied to breeding on the basis of corn-soybean daily ration of broilers, the daily gain of the broilers can be obviously increased, the feed conversion ratio is reduced, and the feed conversion rate is increased. The intestinal micro-ecological health, the anti-oxidative stress effect and the organism immunity are improved, and the infection rate and the death rate of intestinal diseases such as diarrhea of broilers are reduced. The product has the advantages of being simple and convenient to prepare and use, free of toxic and side effects, beneficial to broiler chicken growth and human health, free of the problems of drug resistance, drug residues and the like, and capable of promoting chicken meat quality improvement and the like.

The invention relates to the technical field of breeding, in particular to a livestock head data analysis and management system in the breeding process. Compared with the prior art that a group unified feeding scheme is adopted, individual development differences and environment variables cannot be responded, and double resources are wasted due to insufficient nutrition of high-value livestock and excessive feeding of low-efficiency individuals; according to the scheme, a personalized nutrition demand modeling and formula optimization engine is initiated for the first time, the metabolic state is inversed by analyzing 3D features of the head in real time, the protein energy ratio and the environment compensation coefficient are dynamically calculated, a linear programming solver is linked to generate the lowest-cost formula, the feeding time sequence is adaptively adjusted, and the accurate nutrition supply mode of one animal and one strategy is thoroughly reconstructed; the feed conversion rate and the breeding economic benefit are obviously improved.

The invention relates to a preparation method and application of a gamma-PGA-rich feed additive for broiler chickens, and the technical scheme for solving the problems is as follows: screening bacillus licheniformis DY-0089 for high yield of gamma-PGA from fermented foods such as fermented soya beans, fermented bean curds and natto, inoculating the bacillus licheniformis DY-0089 on a solid fermentation culture medium, fermenting for 24-96 hours at 28-45 DEG C, drying in a drying oven at 55-70 DEG C, and crushing to obtain the gamma-PGA-rich feed additive for broiler chickens. And preparing the feed additive rich in gamma-PGA. Research finds that when 1% of the gamma-PGA-rich feed additive is fed to broilers, the immune function of the body can be enhanced, cecum microbiota can be improved, cecum metabonomics can be adjusted, then the growth performance and feed conversion rate of the broilers are improved, serum biochemical indexes, oxidation resistance, slaughter performance, pectoral muscle nutritional ingredients and the like of the broilers are basically not affected, and the feed additive is suitable for large-scale production. And a theoretical basis is provided for development and application of the gamma-PGA-rich feed additive in animal breeding, especially broiler breeding.

The invention discloses a cross-field feed conversion ratio analysis method based on deep learning. The method comprises the following steps: accessing historical data, and calculating individual and group FCR data; the method comprises the following steps: performing feature extraction on data elements influencing FCR in multi-field domain data, constructing feature vectors, quantifying single features and contribution degree of interaction between the features to the FCR based on a Sobol index, and then identifying key features and combining the features according to gradient weights of the key features by taking the features as input and the FCR as output through a deep learning model; using a clustering algorithm to use a data element set corresponding to the plurality of feature combinations for representing the overall influence importance on the FCR; by taking the element set as a unit, generating a strategy set and a corresponding strategy set weight after assignment, and solving an optimal production strategy by adopting a non-dominated sorting genetic algorithm; according to the method, data of different pig farms are analyzed, and a universal rule and personalized features for a specific field area can be identified.

The invention discloses a breeding method of a new strain of meat dwarf recessive white-feather black-bone chickens, and belongs to the technical field of special high-quality broiler chicken seed production. The novel meat dwarf recessive white-feather black-bone chicken strain bred by the method meets the requirements of the market on black meat, fast growth, feeding space, feed conversion rate and the like; by utilizing the recessive white feather characteristic, the new strain is matched with the black-bone chicken paternal line with other feather colors, the feather color of the offspring chicken is consistent with that of the paternal black-bone chicken, and meanwhile, the consistency of the blackness of the black-bone chicken is ensured. The new strain can also be used as a paternal line or a maternal line to be applied to black-bone chicken production through white-skin high-quality chicken hybridization. When the new strain is applied to hybridization matching, the problem of feather color and blackness differentiation caused by growth speed increase through hybridization can be well solved, and the market requirements of live colored-feather black-bone chickens are met.

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.

The invention discloses a traditional Chinese medicine composition which comprises the following components in parts by weight: 60-80 parts of pithecellobium clypearia, 4-11 parts of jasminum elongatum, 4-11 parts of Chinese knotweed herb, 4-11 parts of ovateleaf holly bark, 2-8 parts of gardenia, 1-6 parts of radix sophorae flavescentis, 1-3 parts of poria cocos and 1-6 parts of citrus chachiensis hortorum. The traditional Chinese medicine composition takes south medicine as a formula component, can replace antibiotics widely used in the pig breeding industry, realizes prevention and / or treatment of pig diarrhea, can improve the pig performance of pigs, including pig daily gain and feed conversion rate, also can improve the natural resistance of the pigs, reduces the occurrence of diseases, and improves the immunity of the pigs. The dependence of pigs on antibiotics is further reduced.

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.

When fed to animals, Bacillus licheniformis strain O42AH3 (deposit accession number DSM 32559), Bacillus subtilis strain O52YJ6 (deposit accession number DSM 32560), Bacillus amyloliquefaciens strain O52YYT (deposit accession number DSM 32561) and / or Bacillus pumilis O72NR7 (deposit accession number DSM 32563) are useful for preventing and / or treating Lawsonia infections and for improving myriad performance parameters, including, but not limited to, body weight gain, average daily gain and feed conversion rates.

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.

1. Name of the product in this design: Sheep feed weight ratio measuring device. 2. Purpose of this design: To automatically collect data such as single feed intake, daily feed intake, daily body weight, daily weight gain, daily feed conversion ratio, and feed conversion ratio during the testing period for individual sheep. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

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 broiler feed for improving muscular stomach development and a preparation method thereof, and belongs to the technical field of broiler feeds, the preparation method comprises the following steps: crushing corn, treating corn, premixing, mixing, crushing, granulating and mixing; the method comprises the following steps: treating corn, taking crushed corn, chlorogenic acid and a first part of water, mixing, carrying out ultrasonic treatment, filtering, cleaning, drying filter residues, mixing with garlic pulp, stirring, standing, sieving with a 2.5-3mm sieve, taking oversize products, cleaning, and carrying out vacuum freeze drying; the step of mixing comprises the following steps: mixing corn starch, magnesium sulfate heptahydrate and water, stirring, adjusting the pH value to 4.5-5, adding the pretreated zeolite powder, stirring, standing, centrifuging, taking precipitate, and performing vacuum freeze drying. The broiler chicken feed prepared by the invention can improve the development of the muscular stomach of the broiler chicken, can avoid mildewing, and can improve the feed conversion rate and excrement quality of the broiler chicken.

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 present invention discloses a SNP molecular marker related to the feed conversion rate of Large White pigs and its application, belonging to the technical field of molecular marker-assisted selection. The present invention discloses a SNP molecular marker related to the feed conversion rate of Large White pigs. The DNA samples of 5256 Large White pigs were genotyped using the Porcine 80K SNP high-density chip, and a SNP site significantly correlated with the feed conversion rate of pigs was finally screened out through genome-wide association analysis (GWAS). The site genomic version of the SNP molecular marker corresponds to position 263045504 on chromosome 1 of the Ensembl Sscrofa 11.1 reference genome. The polymorphic site is G or A. When the genotype of the site is G / G, the pig has a higher feed utilization rate.

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.