81 results about "Breast muscle" patented technology

The invention relates to a slaughter type high-quality chilling fresh chicken breeding method. The breeding method includes: selecting recessive white-feather chickens (B line) having green shins and yellow skins as first male parents, and selecting large cockscomb high yield chickens (C line) having yellow shins and yellow skins as first female parents; hybridizing the B line and the C line to acquire parental generations (BC system) to be as final female parents according to the heredity principle that a green shin gene is sex-linked and an autosome controls a skin color gene, wherein parental chickens can be distinguished through the shin color, the shins of the female chickens are green, and the shins of the male chickens are yellow. using yellow-feather fast-growing chickens (A line) having green shins, yellow skins, and large cockscombs as final male parents, producing commodity chickens (ABC) by A line male X (B line male X C line female) female mating hybrid, wherein commodity male and female chickens have green shins, yellow skins, large cockscombs, and wide chests. The commodity chickens can be sold at the age of 63-65 days, the average weight of the female chickens is 1.6-1.65 Kg, the average weight of the male chickens is 1.8-1.85 Kg, the average uniformity can reach more than 96%; the dressing percentage, the whole net carcass rate, and the chest muscle rate can exceed 85%, 65%, and 18%, and the carcass character has significant advantages.

The present invention relates generally to the use of cysteamine or a cysteamine-containing composition for (I) increasing the yield and/or quality of eggs produced by fowls, (ii) preferentially promoting growth rate of female fowls over male fowls and/or (iii) preferentially promoting development of breast muscles of fowls over development of muscles other than the breast muscles. The invention also relates to a method and cysteamine-containing feed of raising fowls, and a method of preparing such feed.

The invention discloses a method and an apparatus for detecting breast muscle in a breast image. The method for detecting the breast muscle in the breast image comprises: determining an initial region in the breast image, wherein the initial region at least comprises a partial breast muscle region, and the breast image refers to an original breast image acquired by a detector; and determining a segmentation threshold of the breast muscle region and other tissue regions in the initial region to segment out a breast muscle region in the initial region. According to the technical scheme, the accuracy of detecting the breast muscle region is high and the speed of detecting the breast muscle in an actual application process is high; and in addition, the performance of an FFDM system is improved while the quality of the finally obtained breast image is improved to a certain extent.

The invention relates to the field of chicken breeding, and discloses a method for breeding chicken on a hillside. The method comprises the following steps: (1) constructing a breeding field and improving products to be planted and bred to reasonably utilize resources, save breeding cost, improve recycling rate of resources and ensure that the whole circulating chain can improve the pleasant feeling of chicken; (2) leading chicks on a hillside by hen in advance to improve the adaptive capacity of the chicks, promote bone development and improve the lean rate; (3) independently stocking in the rapid chick growth period to prevent disease infection, and comprehensively utilizing manufacture resources of each breeding field to reduce breeding cost; and (4) massively supplying vegetable and animal protein to remarkably improve the dressing percentage and obtain chicken having content of various amino acid and trace elements in chicken meat to be higher than those of chicken bred by a conventional breeding method since chicks reaching the age in 60 days are in the optimized moment for improving breast muscle yield and leg muscle yield.

The invention discloses a hericium caput-medusae fermentation extract feed additive which is an extract obtained by performing inoculation, shake-flask culture and seeding tank fermentation on hericium caput-medusae strains and performing steaming and filtration on fermenting liquid under the temperature of 95-100 DEG C and concentrating filtrate; 0.05-0.75 percent of a hericium caput-medusae fermentation extract is added into a feed, so that the daily gain of meat chicken can be increased, and growth of animals is obviously promoted; the daily gain is increased by 8.96 percent; the feed conversion rate is increased, and the productivity of the animals is improved; meanwhile, the quality of poultry meat can be also improved, and the cholesterol content of chicken meat is reduced; the contents of cholesterols in breast muscles, leg muscles and livers of the meat chickens are respectively reduced by 30.67 percent, 48.18 percent and 57.04 percent.

The invention discloses a molecular marker related to weight, breast and leg muscle weight and breast muscle fiber characteristics of Gaoyou ducks and an acquisition method and application thereof. The molecular marker is positioned at the 190th locus of a nucleotide shown as SEQ ID NO:1, and the nucleotide at the locus is G or T. The genome DNA of the Gaoyou ducks is subjected to PCR amplification, the amplification product is sequenced after a ligase detection reaction, and the molecular marker related to the weight, breast and leg muscle weight and breast muscle fiber characteristics of Gaoyou ducks is acquired by virtue of sequence analysis. The molecular marker is applied to screening the weight, breast and leg muscle weight and breast muscle fiber characteristics of Gaoyou ducks and can be used for early selection during family selection, and a molecular basis is provided during selection, so that the weight of the Gaoyou ducks while coming into the market is improved, and the economic benefits are increased.

The invention discloses a natural feed additive for improving feed conversion rate and meat quality of livestock and poultry and application thereof. The additive is prepared from a folium cortex eucommiae extract, a rosemary extract, mangosteen polyphenol and a mulberry leaf extract. Further, the mass ratio of the folium cortex eucommiae extract to the rosemary extract to mangosteen polyphenol to the mulberry leaf extract is (2-4): (3-5): (0.5-1.5): (1-3); and preferably, the mass ratio of the folium cortex eucommiae extract to the rosemary extract to mangosteen polyphenol to the mulberry leaf extract is 3: 4: 1: 2. Plant extracts which are wide in source and low in price are compounded according to different components and functional characteristics of the plant extracts, and the compound which has antioxidant, anti-inflammatory and bacteriostatic physiological functions and can improve the feed conversion rate and meat quality of livestock and poultry is screened out; and a small amount of additive is added into the basic ration, so that the daily gain of the broiler chicken in the early stage can be obviously increased, the feed-gain ratio in the whole period can be reduced, and the drip loss of pectoralis muscles and the cooking loss of leg muscles can also be reduced.

The invention relates to an exercise device, in particular to a multifunctional arm and breast muscle exercise device. The multifunctional arm and breast muscle exercise device comprises a mobile chassis mechanism, a breast muscle exercise mechanism, a sliding seat mechanism, a storage suspending mechanism, an arm exercise mechanism and a load adjusting mechanism; the device can be switched between a fixed mode and a mobile mode, and can be used for exercising breast muscle, adjusting strength of breast muscle exercise, storing clothes of an exerciser, suspending barbell slices, exercising arms, adjusting strength of arm exercise by changing weight, adjusting strength of arm exercise by changing a spring pre-tightening mode, adjusting strength of arm exercise by changing weight of a fly wheel and adjusting strength of arm exercise by changing friction coefficient; the breast muscle exercise mechanism is connected with the mobile chassis mechanism by partial bolted connection and partial welding, and the load adjusting mechanism is connected with the mobile chassis mechanism by welding.

The invention relates to probiotics (Lactobacillus plantarum) HM-18 which can regulate the structure of a microbial community in an intestinal tract of a chicken and improve the production performance, the probiotics are separated from a natural fermentation feed, and the probiotics have excellent endurance capacity resistant to digestive juice of a gastrointestinal tract. The bacterial strain was preserved in the Common Microorganism Center of China General Microbiological Culture Collection Center on October 29, 2012, and the preservation number is CGMCC 6743. If the bacterial strain is absorbed every day, the slaughter rate, the full eviscerating rate, the pectorales rate and the daily gain of the chickens can be increased, the material-meat ratio is reduced, and the slaughter performance and the growing performance of the chickens are improved, so that the bacterial strain has the effects of promoting the growth and the development of livestock and poultry, increasing the economic benefits of breeding the livestock and the poultry and the like.

The invention discloses a preparation method of a genetic marker for high intramuscular fat (IMF) content in breast muscle of a Hetian black chicken and an application of the genetic marker. The method comprises the following steps: selecting 60 120-day-old Hetian black chicken, which include 30 hens and 30 cocks; and detecting the second exon polymorphism of H-FABP (heart fatty acid-binding protein) and the IMF content in the breast muscle, and analyzing the relationship between the second exon polymorphism and the content. An experiment shows that the Hetian black chicken with high IMF content in breast muscle is selected by the genetic marker prepared by the method.

The invention discloses a cultivation method for quaternionic breeding synthesis of a meat-egg dual-purpose Jinkun sheldrake commercial line. The method mainly comprises: selecting cherry valley ducks, Kunshan sheldrakes, Togel ducks and Jinding ducks to construct basic populations of a Y line, a K line, a D line and a J line respectively; breeding Yingkun ducks through hybridization of male cherry valley ducks and female Kunshan sheldrakes, and conducting breeding of a Yingkun duck YK synthesis line with a quick growth rate and a large size; breeding Dijin ducks through hybridization of maleTogel ducks and female Jinding ducks, and conducting breeding of a Dijin duck DJ synthesis line with a good laying rate and a good whole eviscerated rate; and breeding high-quality commercial ducks ofthe quaternionic breeding commercial line through hybridization of male ducks of the parental Yingkun duck YK synthesis line and female ducks of the parental Dijin duck DJ synthesis line, wherein thecommercial ducks are called as the Jinkun sheldrake commercial line. The Jinkun sheldrake commercial line bred with the method has tender and fragrant meat quality, feather of the female ducks is sparrow feather, an annular egg yield is over 216, a per egg weight is over 80 g, the weight of each 56-day-age commercial dug is over 2.5 kg, the whole eviscerated rate is over 75.4%, a chest muscle rate is over 13.2%, and a feed conversion ratio is lower than 2.8:1.

The invention provides an assorted breed production method of colorful-feather white-skin meat pigeons. The assorted breed production method comprises the following steps of: in an assorted line, a male parent adopts a colorful-feather line male pigeon, a female parent adopts a white-feather line female pigeon, and the male parent and the female parent are independently subjected to molecular sex determination at 15 ages in days and cloaca sex determination at 5 ages of the month; and the screened male parent and the screened female parent are independently adopted to carry out 1:1 hybridization to produce a qualified offspring, and assorted breed production is carried out to obtain a commodity young pigeon, wherein the colorful-feather line of the male parent is from the European meat pigeon colored mirthys line, and the white-feather line female pigeon of the female parent is cultured through the following method that the European meat pigeon white mirthys line is taken as the male line of the female parent and Shiqi pigeons are taken as the female line. The pairing success rate of parental breeding pigeons obtained by the assorted breed production method disclosed by the invention is high and is higher than the pairing success rate of a traditional pairing way by 10%, and production efficiency is improved. Meanwhile, the produced colorful-feather white-skin pigeon has a good body shape, a high dressing percentage, the plump chest muscle, a high growth speed, the white skin, the white mouth and the red toes, and has a higher growth speed than common white-feather products.

The invention relates to a near-infrared detection method of Yunnan native chicken muscle freeze-dry powder fat content, belonging to the technical field of poultry body component detection. The method of the invention comprises the following specific steps: 1) preparing fresh Yunnan native chicken muscle or pectorale samples into freeze-dry powders to be put into a polyethylene ziplock bag havinga thickness of 6 silks; 2) scanning the near-infrared spectrum of the samples, wherein a near-infrared spectroscopy is equipped with a Fourier transform beam splitting system and a diffuse reflectionfibre-optic probe, the wave number range of spectrum scanning is 5377-6820cm<-1>, resolution ratio is 8cm<-1>, 6 silks of single layer ziplock bag is taken to be placed in front of the probe to remove background influence when spectrum background is scanned, each sample is scanned three times, an average value is used as spectrum data of the samples, each spectrum has 375 data, the spectrum dataare absorbance values; and 3) absorbance data of the samples are substituted into a model formula to be calculated, namely, crude fat content of the sample is obtained. The method has the advantages that forecasting speed is rapid, and samples are undamaged, and is suitable for detection of large-scale samples.

The invention discloses a high-purity duck intramuscular precursor fat cell separation method, and belongs to the technical field of cytology. The method comprises the following steps of soaking a cherry valley duck, bloodletting and soaking, collecting a duck breast muscle tissue sample, cleaning the tissue, removing fascia, cutting the breast muscle into pieces for digestion, terminating digestion, obtaining cells, discarding supernatant, blowing, beating and uniformly mixing, culturing the breast muscle, and the like. A large number of intramuscular precursor fat cells can be rapidly obtained, the difficulty of obtaining the cells for a long time is broken through, the method has important theoretical value for researching poultry fat deposition and meat quality, and a foundation is laid for carrying out subsequent experimental research.

The invention relates to the field of poultry breeding, in particular to a method for improving the slaughter performance of Jinghai yellow chicken by MSTN genes. The method includes the steps: extracting genome DNA (deoxyribonucleic acid) of a sample to be detected; amplifying the genome DNA by a specific primer with the sequence shown as SEQ ID NO: 1-2 to obtain 186bp target fragments; performing SSCP (single strand conformation polymorphism) analysis for the target fragments; developing colors by silver staining after gel electrophoresis to obtain DNA SSCP spectrum; screening individuals with gene type AA according to banding patterns of the atlas. Statistic analysis indicates that the slaughtering weight, the breast muscle weight, the leg muscle weight, the eviscerated weight and the semi-eviscerated weight of the type AA individuals are remarkably higher than those of type GG individuals (P<0.05). The homozygotic type AA individuals can be fixed in offspring, and the detection method is simple, rapid and not affected by external environments.

The invention relates to the technical field of chicken feeds, and discloses a cinnamon fermented feed for feeding broiler chickens. The feed comprises the following components in percentage by mass: 10% of cinnamon bark powder, 9% of soybean meal, 10% of corn, 60% of fish sauce, 4.4% of stone powder, 3.3% of calcium hydrophosphate and 3.3% of condiment. The feed is prepared from residual by-products extracted from cassia oil, so that waste utilization is realized, and besides, the cost of the feed is reduced. The feed can increase the survival rate of the broiler chickens, improve slaughter indexes such as abdominal fat percentage, pectoral muscle percentage and leg muscle percentage of chicken, improve fatty acid composition of the chicken to a certain extent, improve chicken quality, and improve mouth feel, flavor and amino acid nutritional value of the chicken. Certain exploration experience and data basis are provided for development and utilization of residual by-products extracted from cassia oil in the livestock and poultry breeding industry.