82results about How to "Improve meat performance" patented technology

The invention discloses a selective breeding method for improving meat performance of black goats of Guizhou. The selective breeding method includes the steps of: A, utilizing black goats of Guizhou as female parents, and utilizing adult black goats of Lezhi and adult goats of Boer as male parents; B, hybridizing the adult goats of Boer as the male parents with breeding ewes selected and remained in a generation F1 in an artificial insemination manner, and selecting and remaining breeding ewes from obtained lambs in generation F2 according to the same selecting and remaining method used for the generation F1; C, hybridizing other high-quality black goats of Lezhi as the male parents with the breeding ewes selected and remained in the generation F2 in an artificial insemination manner, and selecting and remaining breeding ewes from obtained lambs in generation F3 according to the same selecting and remaining method used for the generation F1; and D, subjecting breeding rams selected and remained in the generations F1-F3 and breeding ewes selected and remained in the generation F3 in an artificial insemination manner to intersect-breeding. By the selective breeding method, weight of six-month and one-year-old black goats of Guizhou is remarkably increased, and original dressing percentage of the one-year-old ewes is increased from 47.4% to 49.2%.

The invention provides a beef cattle breeding method. The beef cattle breeding method comprises the following steps that firstly, beef cattle of improved variety are selected; secondly, cows are raised; thirdly, a breeding method is conducted, wherein a, estrus induction is conducted on the cows close to the estrus, the cows are observed very carefully early in the morning and at nightfall, and observation is conducted every 4-5 hours in the daytime for estrus situation identification, and an outer observation method and a rectal palpation method for the follicular development degree are adopted as the estrus situation identification method, and b, artificial fertilization is conducted through a rectum grasping semen deposition method at estrus stage III; fourthly, the cows are kept under the precious care as long as pregnancy is confirmed according to the situation that the cows are not in estrus any longer within two to three months after semen deposition, or through rectum pregnancy check so that the cows can breed healthy calves, and if false pregnancy is found, re-copulation measures are taken in real time to reduce the breeding loss. By means of the method, the physique of the cows is improved, and the breeding rate of the beef cattle is further increased through estrus induction.

The invention provides a preparation method of carboxymethyl pachyman and a novel application of the carboxymethyl pachyman. According to the method, in the process of carrying out carboxymethylation modification on pachymaran, components and ratios of a reaction medium are changed, the reaction temperature is regulated and a catalyst process is adopted, so that the carboxymethylation efficiency of the pachymaran is remarkably improved, the utilization rate of the raw and auxiliary materials is increased, and the cost is saved. Meanwhile, by virtue of the novel application of the carboxymethyl pachyman prepared by the method to preparation of immunopotentiators of livestock and poultry, the immunity to pathogenic microorganisms of the livestock and the poultry can be remarkably enhanced, and the immune efficacy of vaccines can be improved; by virtue of the novel application of the arboxymethyl pachyman prepared by the method to feed additives, the meat performance of the livestock and the poultry can be effectively improved.

The method for breeding black rabbit includes the following steps: using local chesnut black male rabbit as male parent and using New Zealand female rabbit as female parent, makiing hydribization or artificial fertilization to obtain first-generation hybrid rabbit species, selecting excellent male rabbit and female rabbit to make direct cross or artificial fertilization to obtain second-generation hybrid rabbit species, then adopting similar method to obtain third-generation and fourth-generatin hybrid rabbit species, and utilizing fourth-generation male rabbit and female rabbit to make breeding. Said nvention adopts granular feed containing Chinese herbs of isatis leaf, lonicera flower, wild chrysanthemum flower and stemona root.

The invention relates to a hu-sheep breeding method in a subtropical area. The method is characterized by comprising the steps of sheep pen building, mating and reproducing, lamb managing, managing in a fattening period and pest and disease controlling. Lambs enter a lamb period to be managed after hu-sheep give birth to the lambs, and 60-day-age lambs can be put into a sheep pen to be bred; managing in the fattening period is performed, the lambs are fed for 2-3 times every day with feed, and the weight can be more than 70 kg when the lambs are bred for 8 months. According to the hu-sheep breeding method in the subtropical area, the hu-sheep breeding cost can be lowered, and the adaptability of the hu-sheep in the subtropical area, especially in the Guangxi area, can be improved; the reproductive performance, meat performance and hair performance of the hu-sheep can be significantly improved; the advantages of being small in breeding risks, short in breeding cycle, high in benefits and the like are achieved, and a basis is established for large-scale hu-sheep breeding in the Guangxi area.

The invention discloses a plant feed additive which is characterized by comprising the following main drugs in parts by weight: 2-10 parts of radix astragali, 10-35 parts of cowherb seed, 5-15 parts of beautiful sweetgum fruit, 10-40 parts of dandelion, 1-10 parts of liquorice, 5-20 parts of ricepaper pith, 3-8 parts of cortex acanthopanacis and/or leaf, 5-12 parts of angelica, 5-25 parts of radix paeoniae alba and 2-15 parts of angelica decursiva. The plant feed additive is applied to the feeding of the postpartum mammals or the growing-period mammals and has the functions of promoting the lactation and improving the meat quality.

The invention discloses a breeding method of a new variety of a sheep with high fecundity. The breeding method can mainly solve the problem of insufficient quality character of the existing sheep meat of our country at present, and thereby the economic benefit of breeding the mutton sheep is obviously improved. The key point of the technical scheme is: a set of autonomous, high-efficient and perfect breeding method of the new variety of the sheep with high fecundity is set up from a complex hybridization technique by fully using two genetic resources at home and abroad and applying classic number of quantitative genetics and technologies.

The invention provides a yak fattening method and relates to the technical field of yak breeding. The method includes the following steps that after to-be-fattened yaks are subjected to parasite expelling, the yaks are subjected to stomach invigoration, and grazing is carried out on a pasture in summer or autumn; after grazing, licking blocks are supplied to the yaks, and supplementation of concentrated fodder is conducted, wherein the pasture time is 12 hours per day or above, and the supply number of the licking blocks is 60-90 g per day for each yak. By means of the method, the fattened yaks can be put into the market in the middle of October, consumption of forage for overwintering of the yaks is avoided, fat loss in freezing winter is avoided, the purposes of saving resources and protecting the ecology are achieved, and meanwhile, the average income increase of the flattened yaks reaches 1500 yuan or above, so that the method has extremely high economic benefits.

The invention relates to a yellow-feathered broiler breeding method which is characterized in that the second generation is bred in the following steps that: 0-day: chicks which are lighter than the average weight, have variegated feathers or blue foot skin are eliminated; 10-day: individuals which do not have tail, and have variegated feathers or blue foot skin are eliminated; 10-week: individuals which are lighter than the average weight, have variegated feathers or blue foot skin are eliminated; and 18-week: cocks which have the crown height lower than 3cm, chest expansion angle smaller than 60 degrees, tibial diameter smaller than 1.2cm or blue foot skin, and hens which have pale face, lack energy, and have the tibial diameter smaller than 1cm and blue foot skin or bend toes are eliminated. The yellow-feathered broiler breeding method can make the chicken performance progress for generations and not degenerate for a long time.

The invention discloses a method for raising a novel strain of meat sheep. The method includes carrying out crossing on Hu sheep and Australian white sheep to obtain a first crossed generation of flock of sheep; carrying out crossing on high-quality ewes of the first crossed generation of flock of Australian-Hu sheep and Charolais sheep to obtain a second crossed generation of flock of sheep; carrying out athwart crossing and fixation on the second crossed generation of flock of sheep; appropriately introducing 'new blood' into the second crossed generation of flock of sheep to prevent inbreeding depression; ultimately raising the novel strain of meat sheep by means of strict feeding and management and ideal typical individual selection. The Hu sheep is used as a female parent, and the Australian white sheep is used as a male parent. The high-quality ewes of the first crossed generation of flock of Australian-Hu sheep are used as female parents, and the Charolais sheep is used as a male parent. The invention further discloses matched fattening fodder for raising the novel strain of meat sheep. The method and the matched fattening fodder have the advantages that diarrhea of lambs in weaning periods can be reduced by the aid of the fodder, body physiological functions of the sheep, the growth rates of the sheep in later periods and fodder digestion and utilization can be improved, the method and the matched fattening fodder are matched with modern genetic breeding and reproducing techniques, and accordingly the novel strain raising success rate can be effectively increased; the meat performance of the novel strain of the meat sheep raised by the aid of the method and the matched fattening fodder can be improved on the basis that the high reproductive capacity of a variety of the Hu sheep is maintained.

The invention discloses a breeding raising method for meat sheep. The method is characterized by comprising the steps: by taking poll dorset sheep as a male parent and small tailed han sheep as a female parent, carrying out hybridization, wherein the propagative technologies mainly comprise estrus control, hormone treatment, biological stimulation, vaginal sponge method and prostatic hormone method to promote superovulation, a tit double-lamb agent or a twinborn-medicament, which is an aqueous agent and an oil agent, is adopted; 1 ml of the aqueous agent is subcutaneously injected into the neck of each of the male sheep once in 5 weeks and 2 weeks before mating; and 2 ml of the oil agent product is intramuscularly injected at the buttock in 2 weeks before mating. Twins and polyembryony are induced. Fundamental hybridization improvement is carried out from biological characteristics, artificial raising environment selection, raising variety selection, propagative technical improvement, raising feed research, fattening management technologies and disease diagnosis, prevention and treatment, and the meat sheep variety is bred, so that implementation of industrialization of the meet sheep is promoted.

The invention discloses a method for breeding a new hybrid strain of Qianbei-pockmarked goats. According to the method, a Qianbei-pockmarked goat and a Boer goat are adopted for hybridization, then the advantage that the Boer goat is high in meat yield is taken, and thus the growth speed and the meat yield of a hybrid goat can be increased. However, as the meat of the Boer goat is poorer than that of the Qianbei-pockmarked goat, on the basis that Qianbei-Boer pockmarked goats are obtained, the meat is improved by introducing the Qianbei-pockmarked goat which is different from a hybrid female parent, and finally a target strain of the Qianbei-Boer pockmarked goats can be obtained through transverse fixed mating of the Qianbei-Boer pockmarked goats. As the Qianbei-Boer pockmarked goats have genes of high meat yield and rapid growth of the Boer goats and local characteristic genes of the Qianbei-pockmarked goats, the characteristics that the Qianbei-pockmarked goats are low in meat yield and slow in growth are overcome, the meat yield and the growth speed can be increased, the meat is tender, tasty and juicy, and thus economic and feeding values can be increased.

The present invention discloses a hybridization method for improving the porcine intramuscular fat content. The method comprises steps of: hybridizing a Luchuan boar and a Duroc sow to produce generation zero swines consisting of Luchuan+Duroc crossbred swines, wherein the generation zero swines have 50% of Luchuan descent and 50% of Duroc descent; and then performing crossbred fixing and closed-flock breeding on the generation zero swines, and fattening feeding selected offspring. The intramuscular fat content of fattened swines is significantly higher compared to that of purebred Duroc swines and crossbred Duroc swines, and is closer to that of Luchan swines. The lean rate of Luchuan+Duroc crossbred commercial swines produced by using the method of the present invention is above 53%, and intramuscular fat content is higher than 7%.

The invention belongs to the technical field of breed duck breeding, and particularly relates to a breeding method capable of increasing a meat production property of breed ducks. The breeding method comprises the following steps: (1) daily feeding of breed ducks; and (2) illumination regulation of duck house. Meat production feed are fed cooperatively with complementary feeding of a trehalose water solution, so that normal microbial flora in intestinal tracts of the feed ducks is supplied in quantity and variety; microbial ecosystem balance in the intestinal tracts is regulated and maintained; a variety of enzymes and vitamins are generated; utilization rate of the fertilizer by animals is increased; digestion, absorption and utilization of fat is increased; immune globulins inside the feed ducks are increased, so that immune functions of the immune globulins are increased; the occurrences of intestinal diseases of the animals are decreased; habitus of the feed ducks are enhanced; and robust growth of the feed ducks is promoted. Illumination regulation and treatment are performed, so that absorption rate of nutrients by bodies is effectively promoted; stress ability of the feed ducks is increased; activities of the feed ducks are promoted; activity amount of the feed ducks is increased; and the meat production property of the breed ducks is greatly increased.

The invention belongs to the technical field of hybrid broussonetia papyrifera, and particularly relates to a hybrid broussonetia papyrifera silage, a preparation method of the hybrid broussonetia papyrifera silage, a coarse feed and a hybrid broussonetia papyrifera feed. The hybrid broussonetia papyrifera silage is prepared from the following preparing raw materials including hybrid broussonetiapapyrifera, corn flour, molasses, urea and a microbial agent, wherein the mass ratio of the hybrid broussonetia papyrifera to the corn flour to the molasses to the urea to the microbial agent is 100:10:(2-4):0.5:2, and the microbial agent comprises lactobacillus buchneri and lactobacillus plantarum. The hybrid broussonetia papyrifera is fermented to serve as an unconventional feed source, so thatthe use of conventional feed is reduced, the growth performance of ruminants is reduced, and the meat production performance and immune performance are improved.

The invention discloses an SEC61A1 gene-containing detection kit for improving Altay sheep meat production performance. According to the SEC61A1 gene-containing detection kit disclosed by the invention, a specific primer is self and artificially designed according to an mRNA sequence of a sheep SEC61A1 gene, a forward primer is 5'-TATGTGATGACGGGAATGT-3', a reverse primer is 5'-GGTCTCGCAGATGTTAGTG-3', sample genome DNA is utilized as a template to perform PCR proliferation, fluorescence quantitative PCR detection is performed on a PCR proliferation product, correlation analysis between gene expression quantity and intramuscular fatty acid content, moisture content and meat weight is performed. The SEC61A1 gene-containing detection kit disclosed by the invention not only fills the blank of the research field at home and abroad, but also establishes basis for protecting Altay sheep good stock resources and promoting reasonable development of the stock resources and meanwhile has importantsignificance and actual application valve in quickening Sinkiang mutton sheep industry development and improving high-quality mutton production level.

The invention discloses a fermented feed suitable for Huanghuai goats and a preparation method of the fermented feed. The preparation method comprises the following steps of preparing fermentation substrates, culturing bacterial liquid, performing primary fermentation, performing secondary fermentation and preparing the feed. Compared with the prior art, the fermented feed and the preparation method thereof disclosed by the invention have the following advantages that various different kinds of crop by-products are selected as raw materials of the fermented feed, so that the sources of the feed are enriched, the feed is balanced in nutrition and rich in digestible crude protein, and vitamins and trace elements are also enriched; various volatile fatty acids are contained, so that the palatability and the nutrient value of the feed are improved; different raw materials of the feed are separately treated, so that the raw materials can be fully utilized, the meat yield properties of the goats are greatly improved, the dressing percentage can reach 48.6%, fells are fine, soft, oleosus, bright, and good in elasticity, effective utilization of agricultural and by-product crops is realized, and environmental pollution is reduced.

The invention discloses a calf beef producing property improving method, which comprises the following steps: 1) injecting expressive plasmid of growth hormone releasing factor gene in the calf musculus semitendinosus positing, 2) setting the fitful agent quantity at 5-7mg per calf, 3) adopting the density of injection dilution liquid of expressive plasmid at 0.25% bupivacaine PSS, 4) improving beef producing property without influencing quality and safety.

The invention discloses a COL1A1 (collagen type 1 alpha1) gene-containing detection kit for improving Altay sheep meat quality trait. A specific primer is self and artificially designed according to an mRNA sequence of a sheep COL1A1 gene, an upstream primer is 5'-TACAGCGTCACCTACGACGG-3', a downstream primer is 5'-AAGCCGAATTCCTGGTCTG-3', sample genome DNA is utilized as a template to perform PCR proliferation, fluorescence quantitative PCR detection is performed on a PCR proliferation product, correlation analysis between gene expression quantity and intramuscular fatty acid content, moisturecontent and longissimus dorsi shear force is performed, and the COL1A1 gene-containing detection kit disclosed by the invention is shown to have better specificity to the Altay sheep. The COL1A1 gene-containing detection kit disclosed by the invention not only fills the blank of the research field at home and abroad, but also has important significance and actual application value in protecting Altay sheep good stock resource development, establishing molecular theory basis for sustainable utilization and quickening Sinkiang mutton sheep industry development.

The invention relates to a new prolificacy strain cultivation method for Xuhuai goat meat.The method comprises the steps that on the basis of carrying out genetic determination and evaluation on individual muscle growth and development traits and reproductive performance, a conventional breeding method is utilized in cooperation with molecular marker-assisted selection (MAS) and a multi-gene pyramiding breeding composite system, individuals with the high growth speed and good carcass meat performance are selected to cultivate a high-quality paternal group, individuals with prolificacy, strong maternity and good lactation ability are selected to cultivate an ideal maternal group, a core group is built, and the new prolificacy strain with the high meat performance and reproductive performance for Xuhuai goat meat is cultivated.

The invention belongs to the technical field of food auxiliary materials and food auxiliary material processing, and particularly relates to an animal nutrition reinforcer which has the blood replenishing and blood activating effects and is called cerebrolysin for short. The cerebrolysin contains glycine-iron, iron methionine, ferrous fumarate, ferrous sulfate, Vb12, folic acid, hemin, cobalt sulfate and the like. By means of contained heme iron mainly obtained from animal-derived components and non-heme iron obtained from plant components and cofactors, iron supplementation is more balanced and stable, easier to absorb and use and not likely to be affected by external factors.