35 results about "Wagyu cattle" patented technology

The invention provides a breeding method for hybrid Wagyu cattle rich in snowflake marble pattern meat, comprising: feeding the calf with milk substitute; feeding hay and formula feed for young cattle starting from the age of 3 months; feeding roughage and concentrated feed in combination from the age of 9 months Feed and supplement vitamin A; 15-22 months old control blood vitamin A content at 35-45IU / 100ml blood. Through this method, the bred hybrid Wagyu cattle weigh more than 800 kg, have an average marbling grade of 4-5, and a comprehensive meat quality grade of B4. The feeding method provided by the invention is simple, easy to operate and easy to control, and the output beef has good quality, high nutritional content and high economic value.

The present invention applies for a full-price compound feed for beef cattle fattening. The full-price compound feed comprises a 187 granule material or powdered material, 188 granule material or powdered material and a 189 granule material or powdered material; the 187 granule material or powdered material, the 188 granule material or powdered material and the 189 granule material or powdered material all consist of corn, soybean meal, corn germ mash, sprayed corn husk, distiller's grains, corn husk, hay, wheat middling, barley husk, soybean husk, stone powder, glucose, glutamic acid residues, bentonite, sodium chloride and a cattle premix. Beneficial effects are as follows: the full-price compound feed for the beef cattle fattening is the mixed granule feed respectively aiming at calves, growing cattle and fattening cattle for feeding, and plays the functions of regulating the rumen development of the calves, improving the immunity and survival of the calves, improving the rumen development of the growing cattle, cultivating bones, increasing body size and laying a good foundation for fattening. Besides, the 189 granule material or powder material focuses on improving the rumennutrients of the feed, improves feed conversion efficiency and growth efficiency, shortens feeding cycles and reduces farming costs.

The invention discloses Lingnan cattle and a breeding method thereof. The Lingnan cattle are obtained in the following manner that black Angus bulls and Weizhou cattle are subjected to hybridization to obtain F1 generation Anwei hybridization cattle, kuroge washu as a male parent and the F1 generation Anwei hybridization cattle are subjected to three way hybridization to obtain F2 generation Anweihe hybridization cattle, besides, the black Angus bulls and Nandan cattle are subjected to hybridization to obtain F1 generation Annan hybridization cattle, the F2 generation Anweihe hybridization cattle and the F1 generation Annan hybridization cattle are subjected to hybridization to form a four way hybridization synthesis line, and the synthesis line is subjected to athwart cross fixation, so as to obtain the Lingnan cattle which are high in growth rate, high in meat yield, good in beef quality and large in size, and can be adaptive to local climate of Guangxi. The breeding method is adopted for improving the local cattle of Guangxi, so that the Lingnan cattle are obtained, and requirements for superior beef in markets can be met.

The present invention relates to a flavour composition for animal feed comprising a mixture of esters, ketones and aldehydes. The invention also relates to liquid and solid flavouring compositions containing this flavouring mixture, to an animal feed containing this flavouring mixture and to its use as an additive for creep feed diets, especially for suckling swine and cattle.

The invention discloses a heat-preservation fattening cowshed for northern cold regions. The heat-preservation fattening cowshed comprises gable walls, south walls, north walls, roof trusses, north side shed roofs and south side shed roofs. The north side shed roofs and the south side shed roofs are staggered to form vertical roofs and are all composed of plastic steel double-layer glass. Feed channel doors are formed in the middles of the gable walls on the two sides, the feed channel doors are each provided with excrement channel doors, the south walls and the north walls are each provided with a plurality of windows, first ventilation openings are formed below the windows of the south walls and the north walls, and a plurality of second ventilation openings are formed in the north sideroofs at intervals. Cattle beds are arranged on the two sides of feed channels, feeding troughs are formed between the cattle beds on the two sides and the feed channels, and feeding trough retainingwalls are arranged between the feeding troughs and the cattle beds on the same side; and the middle positions of the south walls and the middle positions of the north walls are each provided with a movable channel door for entering and exiting the cowshed, the cowshed is connected with playgrounds through the movable channel doors on the south side and the north side, and the playgrounds are provided with first fences. The heat-preservation fattening cowshed is proper in lighting and ventilation, and the effects of cowshed heat preservation and cattle fattening are achieved.

The present invention relates to a method for increasing the marbling density of pure blood Wagyu beef and feed for use. Specifically, the present invention relates to a method for increasing the marbling density of pure-blood Wagyu beef. The method includes feeding the Wagyu cattle with the following procedures: feeding of calves aged 0-3 months, and feeding of calves aged 3-8 months. Feeding in the cow period, feeding in the early fattening period from 8 to 14 months old, feeding in the middle fattening period from 14 to 21 months old, and feeding in the late fattening period from 21 to 28 months old. In the feeding of calves aged 0-3 months, pure blood Wagyu calves are fed with colostrum 5-8L / day within 0-3 days after birth; from the 4th day onwards, calves are fed Milk was acidified and water was started, while calves were induced to eat concentrate, three times a day ad libitum; weaned during 55-60 days of age; feeding feed was also provided. The method of the invention can effectively increase the marbling density of pure blood Wagyu beef, thereby being able to produce high-quality snowflake beef.

The invention discloses a primer and a method for identifying yellow-flowered ox ears and ox ears by using EST microsatellite markers. The primers are EST-F: 5'-AACGGGTTGTGTTCTGACGT-3'; EST-R: 5'-CGATTCGAGACCCCCTTCG-3'. The method for using EST microsatellite markers to identify yellow-flowered ox ears and ox ears is as follows: first prepare a genomic DNA solution, and use this as a template to perform PCR amplification on the genomic DNA with the aforementioned primers, and perform polyacrylamide gel on the resulting amplification products For electrophoresis, when the electrophoresis pattern shows a band of 230bp, it is a cow's ear; when the electrophoresis pattern shows a band of 210bp, it is a yellow ox ear. The primers and method provided by the invention provide simple and stable molecular markers for identifying the yellow-flowered ox ear and the ox ear, and solve the problem of distinguishing the yellow-flowered ox ear and the ox ear.

The invention discloses a Lingnan cattle and a breeding method thereof. The Lingnan cattle are crossed with a black Angus bull and a Weizhou yellow cattle cow to obtain the F1 generation of Anwei hybrid cattle, and then Japanese Wagyu is used as the male parent to breed with the Weizhou cattle. The F1 generation cows of Anwei hybrid cattle were three-way crossed to obtain the F2 generation of Anwei and hybrid cattle. At the same time, black Angus bulls were crossed with Nandan yellow cattle cows to obtain the F1 generation of Annan hybrid cattle, and then Anwei Crossbreed with the F2 generation of hybrid cattle and the F1 generation of Annan hybrid cattle to form a four-way hybrid synthetic line, and fix the synthetic line crosswise to obtain a fast-growing, high-yielding meat rate, good beef quality, large body size and adaptability Lingnan cattle from the local climate of Guangxi. The Lingnan cattle obtained by improving local yellow cattle in Guangxi through the breeding method of the present invention can meet the market demand for high-quality beef.

The invention discloses a method for cultivating a new strain of Central Plains Black Cattle synthesized by three-way hybridization, which is cultivated according to the following steps: (1) crossbreeding Black Angus Cattle and Jiaxian Red Cattle, and then using Australian Wagyu Cattle as the second male parent Carry out three-way hybridization to produce three-way hybrid cattle of Australian Wagyu, Black Angus, and Jiaxian Red Cattle, which are selected and bred to form a matrilineal group; , Jiaxian Red Cattle Binary Hybrid Cattle, which are selected and cultivated to form a paternal group; (3) crossbreeding the female line obtained in step (1) with the male line obtained in step (2) to form a synthetic line; (4) combining step (3) ) obtained synthetic lines can be selected and fixed to breed new high-grade beef cattle lines. The invention absorbs the excellent characteristics of the parents of Australian Wagyu and Black Angus cattle through synthetic breeding on the basis of the excellent traits of Jiaxian Red Cattle.

The invention relates to a method for fattening pure-blood Wagyu cattle to produce high-grade snowflake beef, specifically belongs to the field of beef cattle breeding, relates to a method for raising beef cattle, in particular to a method for raising pure-blood Wagyu cattle rich in snow-patterned meat, and especially relates to fattening pure-blood Wagyu cattle The method of producing high-grade snowflake beef from blood Wagyu. The method of the present invention comprises the following feeding procedures: feeding of 0-3 month-old calves, feeding of 3-8 month-old cows, feeding of 8-14 month-old fattening stages, 14-21 Feeding in the middle of the fattening period at the age of one month, and feeding in the late fattening period at the age of 21 to 28 months. Raising pure-blood Japanese Wagyu cattle by the method of the present invention has a slaughter rate as high as 56.12%, a carcass meat yield as high as 70.64%, and a total area of ​​marbling of the pure-blood Wagyu beef eye muscles as high as 14.32%, showing that the raised pure-blood Wagyu cattle have very high marbling Density, marbling grade can reach grade 1 or above, rich intermuscular fat.

The present disclosure is related to a free flow electronic meter, which is used in measuring the velocity and flow rate of a fluid, particularly in measuring milk yield of sheep, goat, buffalo and cattle during milking. The free flow electronic meter includes a measurement pipe wherein the velocity of the material that passes through it is measured by means of a flow rate measurement sensor. When the milk flows continuously through the measurement pipe, an air passage pipe and / or free air passage pipe prevents vacuum fluctuation that causes udder diseases. This result is reached by preventing a change of the vacuum level during milking due to increased milk flow at teat end by providing extra air passage.

The invention discloses a combination of primers and an identification method for identifying the parentage relationship of Wagyu three-way hybrid cattle. The present invention screens out 9 fluorescently labeled microsatellite primer combinations with rich polymorphisms, performs PCR amplification with beef cattle genomic DNA to be tested as a template, performs capillary electrophoresis on the amplified fragments to detect fluorescent signals, and judges each individual's identity according to the detection results. Genotype: According to the genotype, calculate the PI value of single-parent parentage index and the relative probability value of parent-child W value to judge the parentage relationship. The identification method of the invention is simple, fast, low in cost, efficient, economical, easy to implement and the like, can improve the accuracy of beef cattle selection and mating, speed up the breeding process, and has good application prospects and economic benefits.

The invention provides a preparation method of beef broth. The preparation method comprises the following steps: S1, stewing ox leg bones, ox knee bones, ox tendons, cartilage and ox hoofs, after watery blood removal, with first high fire, then removing meat on the ox leg bones, the ox knee bones and the ox hoofs, and performing stewing with second high fire and first medium fire to obtain a firstpot of broth; S2, stewing collected bones and ox tendons after watery blood removal with third high fire and second medium fire to obtain a second pot of broth; S3, stewing the meat on the ox leg bones, the ox knee bones and the ox hoofs in the step S1 with fourth high fire to obtain a third pot of broth, and performing mixing and stewing on brisket, the ox leg bones and ox tail bones to obtain afourth pot of broth; and S4, performing mixed stewing on the first pot of broth, the second pot of broth, the third pot of broth and the fourth pot of broth to obtain thick beef broth. Compared withmilk, the beef broth stewed by the preparation method disclosed by the invention has the advantages that fat is reduced to 1 / 7, proteins are increased by about 3 times, and the beef broth is richer innutrition and lower in cost.

The invention provides a cow fixing fence for an experiment, and belongs to the technical field of cow fixing devices. By means of the technical scheme, the cow fixing fence comprises a bottom frame,and two fences correspondingly arranged at the two ends of the bottom frame. Two fence structures are arranged at the portion, between the two fences, of the bottom frame. Two lateral moving fences are oppositely arranged between the two fence structures. A pull coaming is arranged in a gap between one fence structure and one lateral movable fence, two neck clamping plates are correspondingly arranged in a gap between the other fence structure and the other lateral movable fence. A fixed beam is arranged on the top between the two fence structures. A power mechanism for driving the two lateralmovable fences and the two neck clamping plates to move is arranged on the fixed beam. The cow fixing fence has the advantages that the body, head and neck of cow can be conveniently fixed, an experiment operator can conveniently stand on an experiment control area for blood sampling, infusion and other operations on cow, and the experiment success rate is increased.

The invention provides the SNP site on the No. 14 chromosome of cattle related to the live weight of Chinese Wagyu cattle, and the SNP marker site is the 25284162nd nucleotide site on the No. 14 chromosome of the international bovine reference genome UMD3.1 version , the base at this site is A or C. By optimizing the dominant allele of the SNP, the invention can increase the frequency of the dominant allele generation by generation, increase the live weight of Chinese Wagyu cattle before slaughter, accelerate the progress of cattle genetic improvement, and effectively improve the economic benefits of beef cattle breeding.