54results about How to "Improve slaughter performance" patented technology

A Chinese-medicinal additive of forage for improving the quality of chicken is prepared from 13 Chinese-medicinal materials including astragalus root, Chinese angelica root, cinnamon bark, tuckahoe, etc.

The invention relates to crop straw-fermented feed. The crop straw-fermented feed is prepared by taking crop straw as a raw material through an enzyme-bacterium complexing agent of cellulase, xylanase, beta-dextranase, lactobacillus plantarum and lactobacillus buchneri. The invention further provides a mutton sheep total mixed ration containing the crop straw-fermented feed. According to the crop straw-fermented feed and the mutton sheep total mixed ration, the straw resource can be fully utilized, the raw materials are easy to obtain, the preparation steps are simple, the cost is low, the growth performance and slaughter performance of mutton sheep can be significantly improved, and the good practical application value is achieved.

The invention relates to mixed pellet feed for over-sized fattening pigs and a preparation method thereof, belonging to the technical field of pig feed. The mixed pellet feed is prepared from the following components in parts by weight: 500-600 parts of corn, 30-60 parts of bean pulp, 150-200 parts of corn DDGS (distillers dried grains with soluble), 150-200 parts of rice bran, 100-150 parts of middlings bran, 10-13 parts of mountain flour, 2.5-3.5 parts of salt, 0.5-1 part of choline, 3-4 parts of lysine hydrochloride, 1-1.5 parts of threonine, 0.2-0.3 part of an antioxidant, 0.4-1.5 parts of a mildew preventive, 10-20 parts of bentonite, 1-2 parts of calcium hydrogen phosphate, 8-10 parts of a vitamin premix and 8-10 parts of a trace element premix. On the premise of guaranteeing safety, the mixed pellet feed can be used for improving the production input and output efficiency, and achieving the purposes of improving feed conversion, pig meat quality and slaughter performance to meet the market needs.

The invention especially discloses a bile acid composition and a preparation method thereof. The bile acid composition has effective ingredients including hyocholic acid, hyodeoxycholic acid and chenodeoxycholic acid, wherein the sum of the weight percentages of hyocholic acid and hyodeoxycholic acid is not less than 78.0%, the weight percentage of chenodeoxycholic acid is not less than 18.0%, and the balance is water and ash. The bile acid composition and the preparation method thereof have the beneficial effects that: the preparation method has the advantages of simple operation and mild conditions, does not adopt harmful and toxic organic solvents in the preparation process, and can be easily applied in industrialized production; the prepared bile acid is high in yield and high in purity, is added into a feed for feeding broiler chickens, can significantly improve the growth performance and slaughter performance of the broiler chickens, is beneficial for the broiler chickens to utilize fat, reduces the use of broiler chicken own fat, thereby improving the growth performance and slaughter performance of the broiler chickens, solving the problems of fat digestion and absorption in the feed, and improving the broiler chicken carcass quality.

The invention provides a pediococcus pentosaceus NHB-PpA9601. The pediococcus pentosaceus NHB-PpA9601 is separated from intestinal tracts of white feather broilers, and is preserved in China General Microbiological Culture Collection Center (CGMCC for short, the address is Institute of Microbiology, Chinese Academy of Sciences, 3 #, 1 # yard, West Beichen Road, Chaoyang District, Beijing, the postal code is 100101), the preservation number is CGMCC NO.22646, and the preservation date is May 31, 2021. The pediococcus pentosaceus NHB-PpA9601 has the advantages that the obvious probiotic property is realized, the growth and reproduction of pathogenic bacteria such as intestinal pathogenic escherichia coli, staphylococcus aureus, salmonella suis, salmonella choleraesuis, salmonella gallinarum, salmonella pullorum, salmonella typhimurium, salmonella, shigella, bacillus perfringens, proteus penneri, aeromonas hydrophila and vibrio parahaemolyticus can be effectively inhibited; the pediococcus pentosaceus NHB-PpA9601 can be used for producing a wet-based fermented feed, and can be used for effectively improving intestinal health and increasing economic benefits.

The invention provides a method for raising gooses with ramie and a special feed. The method mainly comprises the following steps: cutting fresh ramie into pieces which are 0.4-0.6cm long, weighing feed according to proportion, and mixing the fresh ramie and the feed uniformly; in the 1st to 7th days, feeding gooses with commercial complete formula feed; in the 8th to 28th days, feeding the gooses with ramie and complete formula feed, which are mixed in the ratio of 1 to (1-4); in the 29th to 49th days, feeding the gooses with ramie and complete formula feed, which are mixed in the ratio of 1 to (2-5); and feeding the gooses with fattening complete formula feed since the 50th day until the gooses are marketed. According to the method, low-energy and high-protein feed is prepared specially according to the nutritional characteristics of high protein and low energy of ramie and the growth and development law of meat gooses, and the low-energy and high-protein feed and ramie are reasonably mixed in different proportions at different age stages to give a play to complementary advantages, so that equilibrium supply of nutrients is guaranteed while the feed cost is effectively reduced; and the disease resistance and slaughter performance of adult gooses are both improved.

The invention discloses a natural plant small molecular group substance concentrate and a production method thereof. The production method comprises the following steps: harvesting the natural plantsof tall hemarthria, trefoil, ryegrass, purple amaranth and swiss chard respectively, washing, carrying out ultraviolet disinfection, pulping, carrying out ultrasonic crushing, squeezing, filtering andobtaining juice; putting the obtained juice into a fermentation tank according to the ratio of 30-40% of tall hemarthria, 20-30% of trefoil, 10-15% of ryegrass, 10-15% of purple amaranth and 10-15% of swiss chard to be used as a reaction substrate, inoculating with secondary culture liquid of the strains of plant lactobacilli (with the serial number of SICC1.518) and aspergillus niger bacteria (with the serial number of SICC3.301) into the fermentation tank, mixing with the plant juice of the reaction substrate, fermenting and culturing for 72 hours, regulating and controlling the temperatureat 35-37 DEG C, regulating and controlling the pH value at 6.5, obtaining fermented culture liquid, drying the fermented culture liquid at low temperature of 70-80 DEG C after purifying, ultrafiltering and concentrating, and obtaining the small molecular group substance concentrate. Experiments prove that the effects of the concentrate for promoting the growth of fattening pigs and enhancing thefeed conversion rate are respectively 20% and 11.8%, and the effects of the concentrate for promoting the growth of fattening meaty ducks and enhancing the feed conversion rate are respectively 7% and9.7%.

The invention discloses a conjugated linoleic acid (CLA)-containing meat duck feed. The feed comprises the following components in percentage by weight: 50 to 65 percent of corn, 25 to 40 percent of soya bean meal, 0 to 6 percent of wheat bran, 1 to 4 percent of soybean oil, 0.7 to 0.8 percent of calcium carbonate, 0.1 to 0.2 percent of table salt, 1 to 2 percent of calcium hydrophosphate, 0.02 to 0.2 percent of 99 percent methionine, 0 to 0.1 percent of 65 percent lysine, 1 to 3 percent of CLA, 0 to 0.3 percent of DV12, 0 to 0.2 percent of DV22, and 0.1 to 0.2 percent of M-P. By adding proper amount of the CLA into the feed, the feed conversion rate and the daily gain of meat ducks are not influenced, but the abdominal fat rate and the sebum rate of the meat ducks are remarkably reduced and the musculus pectoralis rate of meat ducks at the sixth weekend is remarkably improved. By using the CLA feed provided by the invention, the carcass quality of the meat ducks can be improved on the premise of no influence of the production performance of the meat ducks; and the CLA feed is economic and practical, and scientific in proportion, has a simple and feasible preparation method, and can create social value better.

The present invention provides an application of bile acid in preparing a feed additive for broiler chickens. An experiment result proves that an addition of 60-80 mg / kg of bile acid in daily diet from 0-42 days can effectively improve the performance and slaughter performance of the broiler chickens; the addition of 80 mg / kg of the bile acid in the daily diet from 0-42 days can significantly reduce serum uric acid levels in the broiler chickens; and an addition of 60-80 mg / kg of the bile acid can enhance activities of duodenal lipoprotein lipase and lipase and inhibit an activity of hormone-sensitive lipase, helps improve utilization of lipids in the broiler chickens, reduces use of body lipids, and thus improves the growth performance of the broiler chickens. The addition of the bile acid in the feed can promote synthesis of very low density lipoproteins in the liver, accelerates the transport of the lipids from the liver to adipose tissues, reduces the deposition of the lipids in the liver, can effectively prevent occurrences of fatty liver and hepatobiliary syndromes, and reduces a death and culling rate.

The invention discloses a total mixed ration for fattening sheep and a production process and application thereof. The total mixed ration comprises the following components in parts by weight: 260-340parts of corn, 50-70 parts of soybean meal, 35-45 parts of germ meal, 15-25 parts of wheat middlings, 10-30 parts of bran, 55-65 parts of barley roots, 40-60 parts of stevia, 90-150 parts of peanut seedlings and 45-55 parts of wheat bran, 35-45 parts of yeast and yeast culture, 130-180 parts of gunite corn bran, 75-85 parts of premix and 3-5 parts of soybean oil. The total mixed ration can: maintain the normal internal environment of the rumen, reduce the production of methane and maintain the maximization of effective micoorganisms in the rumen; improve the production performance of fattening sheep; improve the digestibility of the fattening sheep to nutrient substances and increase the utilization rate of effective nutrients; and improve the slaughter performance and meat quality of thefattening sheep, reduce the deposition of fat under the skin and viscera and improve the quality of mutton.

The invention discloses bacillus amyloliquefaciens probiotics capable of producing phytase, and a preparation as well as a preparation method of the bacillus amyloliquefaciens probiotics. The gene GenBank accession number of the rRNA (Ribosomal Ribonucleic Acid) gene sequence of the bacillus amyloliquefaciens T6, 16S is JX081245. According to the method, a shallow tray fermentation culture method and a submerged fermentation culture method are applied to strain culture, and the specific steps include strain storage by glycerinum, strain activation, strain treatment in a shake flask, strain culture, load of the strain to a carrier, drying, inspection, and packaging to obtain a finished product. The novel probiotics preparation is prepared by using the bacillus amyloliquefaciens strain capable of producing the phytase, which is heat resistant, dryness resistant, acid resistant, alkali resistant and long in storage period, is stable in quality, and can be used for keeping intestinal microecological balance of livestock and poultry, ensuring that the growth and development of an animal in an ideal state reaches the maximum capacity of the animal, improving the feed digestion rate of the animal, improving the disease resistant capacity of the animal, promoting animal health, reducing the calcium phosphate addition amount in daily ration, reducing the excretion amount of the calcium phosphate in excrements of livestock and poultry, protecting environment and achieving the proposes of energy conservation and emission reduction.

The invention belongs to the technical field of livestock feeds, and particularly relates to a fully-mixed fermented feed as ration of beef cattle and a preparation method of the fully-mixed fermentedfeed. A raw material composition for preparing the fermented feed comprises the following raw materials in parts by weight of 42-65 parts of sugar stevia leaf dregs, 16-32 parts of corn, 4-18 parts of rice bran, 0.5-1.5 parts of molasses, 6-14 parts of cottonseed protein, 0.4-1.2 parts of calcium hydrogen phosphate, 0.5-1.0 part of stone powder, 0.6-2.0 parts of baking soda, 0.4-1.2 parts of table salt, 0.5-2.0 parts of a compound premix and 0.3-1.2 parts of a fermenting agent. The preparation method comprises the following steps of mixing the sugar stevia leaf dregs with a concentrated feedto prepare the fully-mixed fermented feed as ration of beef cattle. Environment pollution and resource waste caused by discarding of the sugar stevia leaf dregs are avoided, and the fermented feed hasobvious ecological benefits and economic benefits; in a fermentation manner, the nutrient value and the palatability of the sugar stevia leaf dregs are obviously improved, and the digestion and utilization rate and the feeding effect of the sugar stevia leaf dregs by the beef cattle are increased. The prepared feed can improve the production performance of the beef cattle, the nutrient digestibility can be reinforced, and the fermented feed has a certain improvement effect on the slaughter performance and the meat quality of the beef cattle.

The invention relates to the field of microbial effective substance group evaluation, in particular to a method for evaluating the effective substance group of yeast culture by using the metabonomicstechnology. The effective substance group of yeast culture is analyzed by using the detection technology in metabonomics, and the mathematical thinking of multivariable dimensionality reduction is applied to the digging of the composition of the effective substance group. According to the composition of the effective substance group, the composition relations of the effective substance group are simulated by using chemical substances, and combination is carried out. Then, the efficacy of the effective substance group is verified by animal feeding test. It is concluded that the effective substance group of yeast culture as a dietary additive can significantly improve the growth performance, immune function, antioxidant capacity and slaughter performance of broilers.

The invention discloses a feeding method of sheep oral formalin, comprising the following steps: diluting formalin with a required amount into 50-100 times, mixing with feed (ration) to feed sheep or diluting the formalin with the required amount into 200-400 times, directly leading the diluted formalin to be taken by sheep orally, and feeding the feed (ration) at the same time. By the invention, the free feed intake of the sheep is increased, the number of protozoa in a sheep rumen is reduced, while the number of rumen bacteria is increased, amino acid and other substances reaching sheep small intestines are obvious increased, and the nutrient substances like amino acid absorbed by the sheep small intestines are obviously boosted. By the invention, the slaughtering performance of the sheep can be greatly improved. The methanal content in an oral formalin sheep texture is determined for the first time in the invention, which shows that the methanal content in the textures such as muscle, liver and the like of sheep which adopts the oral formalin of the invention in a long time is less than 2mg / Kg (the beer standard).

The invention belongs to the technical field of fermentation, and particularly relates to a fermented feed capable of improving animal production performance and / or feed utilization rate and application of the fermented feed. The fermented feed provided by the invention comprises a mixed bacterial agent, the mixed bacterial agent comprises lactobacillus, saccharomyces cerevisiae and bacillus subtilis, and the viable count ratio of the lactobacillus to the saccharomyces cerevisiae to the bacillus subtilis in the mixed bacterial agent is (1-3): (1-3): (1-3); the effective viable counts of the lactobacillus, the saccharomyces cerevisiae and the bacillus subtilis are (1-9) * 10 < 8 > CFU / g respectively and independently. According to the fermented feed disclosed by the invention, the content of soluble protein in the corn protein powder is increased through the mixed bacterial agent, the digestible utilization rate of the corn protein powder is increased, and the utilization rate of the corn protein powder is increased.

The invention relates to an early weaning breeding method of Hu lambs. According to the breeding method, an adopted feeding diet includes soybean milk powder, starters, forage and leucine. After being born, the lambs are fed with breast milk, and at the age of 5 days, the lambs are separated from ewes and fed with the soybean milk powder three times a day and eat freely; at the age of 9 days, the consumption of the soybean milk powder of each lamb is measured, a basis is provided for limiting the consumption of the soybean milk powder, and the Hu lambs are fed with the soybean milk powder in a gradual decreasing mode; at the age of 10 days, starters, forage and leucine are provided, the lambs can freely eat starters and forage, and the intake of the soybean milk powder is reduced day by day so as to increase the solid feed intake of the lambs; at the sage of 30 days, the lambs are stopped to be fed with leucine, soybean milk powder and the starters. The breeding method achieves the early weaning of the Hu lambs, the weaning stress of the lambs is effectively alleviated, and the production performance and the slaughter performance are improved.

The invention discloses an Anhui local pig breeding method capable of improving the meat quality based on Chinese pennisetum silage. The breeding method specifically comprises the steps of feeding a local variety pig of the weight of 50 kg or above three times every day, wherein the feeding time is 6:00-7:00 in the morning, 11:00 at noon and 17:00-18:00 in the evening, the pig is fed with concentrated feed and pick and eat food freely in the morning and in the evening, it is ensured that the feed for the pig is continuous, the pig finishes the feed within 1.5 h and there is no surplus, and thepig is fed with the Chinese pennisetum silage of 0.5-1.0 kg at noon. According to the Anhui local pig breeding method capable of improving the meat quality based on the Chinese pennisetum silage, thegrowth and slaughter performances of the local variety pig are improved, the pig meat quality is improved, the pig meat nutrient content is improved, the pig protein metabolized serum biochemical criterion is improved, and the breeding benefit of the live pig is increased. Feed formula ingredients involved in the method are all food crops and processing by-product, a nutritive additive is added,there is no residual medicine, and the formula is scientific and obvious in effect and has popularization value.

The present invention relates to a produced fully mixed biological feed for mutton sheep based on mushroom bran and a preparation method thereof. The feed comprises the following raw material components: 30-60 parts of mushroom bran, 20-25 parts of corn, 2-15 parts of bran, 8-20 parts of soybean meal, 0.2-0.8 part of calcium hydrogen phosphate, 0.1-0.9 part of stone powder, 0.2-1.0 part of bakingsoda, 0.2-0.8 part of edible salt, 0.5-2.0 parts of a compound premix, 0.4-1.5 parts of a leavening agent and 0.1-0.5 part of a mildew preventive. The biological feed has obvious growth-promoting effects on the mutton sheep and enables daily weight gain to be increased by about 30%. The biological feed can significantly increase feed intake and economic benefits of the mutton sheep and enables thefeed intake to be increased by about 14% and gross income to be increased by about 39%. The biological feed has an improvement effect on slaughter performance of the mutton sheep, and enables a slaughter rate to be increased by about 3% and a net meat rate to be increased by about 3%.

The invention discloses lactobacillus plantarum for improving lipid metabolism and muscle quality of meat poultry and application of the lactobacillus plantarum. The lactobacillus plantarum is lactobacillus plantarum ZRR, the preservation number of the lactobacillus plantarum is CCTCC No: M2016281, and the lactobacillus plantarum can degrade different cholate at the same time and has the advantages of improving the growth performance and slaughter performance of the meat poultry, improving the lipid metabolism and muscle quality of the meat poultry and the like. The lactobacillus plantarum can be widely applied to meat poultry breeding, promotes healthy breeding of meat poultry, and improves breeding benefits.

The invention discloses a compound feed for broilers at the age between 1 day and 42 days and a preparation method thereof. The compound feed comprises the following raw materials in parts by weight: corn, hard wheat, soya-bean oil, 46% soybean meal, peanut meal, distillers dried grains with soluble (DDGS), corn protein powder, stone powder, calcium hydrogen phosphate, salt, lysine sulfate, methionine, threonine, liquid phytase, choline chloride, a vitamin premix, a trace element mixture, a probiotic additive and a traditional Chinese medicine additive; the preparation method comprises the following steps: grinding, mixing, granulating and spraying. The beneficial effects of the compound feed are that: the compound feed is reasonable in the ratio of the raw materials, is simple to make, and is economical and affordable; and through adding of appropriate amounts of the probiotic additive and the traditional Chinese medicine additive, broiler feed conversion rate and slaughter performance can be significantly improved, and adverse effects of high temperature environment on broiler feed intake can be reduced.

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 discloses applications of leucine in promotion of milk secretion, reproductive performance, and growth and slaughter performance aspects of breeding pigeons. Research found that by adding certain leucine in basic ration, the pigeon's milk protein synthesis can be regulated (reflected by young pigeon weight gain), the incubation period weight of the breeding pigeon can be increased, and the whole-phase weight loss can be reduced; the thickness and relative weight of crop of the breeding pigeon can be increased; the growth performance and slaughtering performance of the young pigeon can be improved, and the mortality rate of the young pigeon can be reduced. Therefore, the leucine has good applications on the aspects of feed additives of the breeding pigeons, especially the growth performance and slaughtering performance of the young pigeon.

The invention discloses a method for studying the influences of added oregano essential oil on Hexi down producing goats. Single-factor random grouping design is adopted. In the test, 45 18-month-agemale Hexi down producing goats with close constitution and average weight of 33.73+ / -1.11 kg are selected and randomly and equally divided into three groups, that is, three times of processing is conducted, repeating is conducted after three times of processing is conducted, five goats are involved in each time of repeating and bred in captivity in one colony house, and nine colony houses are involved and randomly arrayed. It has been shown through study that the effect is the best when the proper addition amount of a oregano essential oil additive in cow feeding is 28 g / d; through the conversion of about four goats into one cattle, in the test, the highest addition amount in feeding of the Hexi down producing goats is set to be 7 g / d, the middle dosage of 4 g / d is adopted, and therefore three levels of 0 g / d, 4 g / d and 7 g / d are set for the oregano essential oil in the test and correspond to three times of processing. The oregano essential oil additive is evenly mixed in the testee goat daily ration according to the set levels, the pretest period is 15 d, and the formal period is 90 d and is divided into three stages with 30 d in each stage. Related indexes are measured, and datastatistics and analysis are conducted. The theoretical basis is provided for further improving the fattening performance of the down producing goats.

The invention discloses a meat duck biologic feed. The feed is prepared from, by mass, 100-120 parts of calcium hydrophosphate, 10-18 parts of salt, 22-28 parts of zeolite powder, 90-99 parts of beanpulp, 33-37 parts of maize germ pulp, 22-27 parts of feather meal, 14-19 parts of ferrous sulfate, 3-8 parts of carrots, 1-4 parts of grape pips, 7-10 parts of egg shell powder, 4-6 parts of shell powder, 5-9 parts of Chinese herbal medicine additives, 11-19 parts of corn gluten meal, 20-29 parts of wheat bran and 13-19 parts of vitamin preparation. Excessive deposition of meat duck fat can be lowered, the body metabolic balance is stabilized, the body immunity is improved, diseases are prevented, the meat duck growth performance and slaughtering performance are improved, the meat duck cultureenvironment is improved, and meat duck green and healthy culture is promoted.

The invention especially discloses a bile acid composition and a preparation method thereof. The bile acid composition has effective ingredients including hyocholic acid, hyodeoxycholic acid and chenodeoxycholic acid, wherein the sum of the weight percentages of hyocholic acid and hyodeoxycholic acid is not less than 78.0%, the weight percentage of chenodeoxycholic acid is not less than 18.0%, and the balance is water and ash. The bile acid composition and the preparation method thereof have the beneficial effects that: the preparation method has the advantages of simple operation and mild conditions, does not adopt harmful and toxic organic solvents in the preparation process, and can be easily applied in industrialized production; the prepared bile acid is high in yield and high in purity, is added into a feed for feeding broiler chickens, can significantly improve the growth performance and slaughter performance of the broiler chickens, is beneficial for the broiler chickens to utilize fat, reduces the use of broiler chicken own fat, thereby improving the growth performance and slaughter performance of the broiler chickens, solving the problems of fat digestion and absorption in the feed, and improving the broiler chicken carcass quality.

The invention relates to a compound feed capable of improving the growth speed and immunity of black goats and a preparation method thereof. The compound feed is prepared from, by weight, 55-75 parts of corn flour, 10-30 parts of soybean meal, 1-5 parts of rapeseed meal, 1-5 parts of bran, 0.2-0.8 part of salt, 0.1-0.6 part of premix, 5-20 parts of rice bran and 5-25 parts of traditional Chinese medicine residues, wherein the traditional Chinese medicine residues are astragalus membranaceus residues, or astragalus root, dendrobium stem and haw thorn residues and Epimedii Folium residues which are mixed according to a proportion, and the astragalus root, dendrobium stem and haw thorn residues are byproducts for producing astragalus root, dendrobium stem and haw thorn granules. According to the compound feed provided by the invention, the palatability of the feed is improved, the digestion and absorption of black goats on nutrients are promoted, and the growth speed is accelerated; and meanwhile, residual active ingredients of the traditional Chinese medicine residues improve the average daily gain of the black goats, the immunity of the black goats is improved, the growth performance of the black goats is improved, the live weight before slaughter, the carcass weight and the slaughter rate are improved, and the slaughter performance of the black goats is improved.

The invention discloses a processing method of garlic peel, a feed containing the garlic peel for beef cattle, and a preparation method. The garlic peel is obtained by the steps of harvesting garlic,separating garlic peel and performing drying treatment; the feed comprises a concentrate supplement, granules, corn straw silage, and the garlic peel; and the preparation method comprises the following steps of crushing the feed raw materials of corn, soybean meal and the like, and performing screening; cutting crude feed raw materials into short segments; according to requirements of a formula, accurately weighing the feed raw materials based on addition quantity; and according to the principle that crude raw materials are firstly added, then fine raw materials are added, dry raw materials are firstly added, then wet raw materials are added, light raw materials are firstly added, and the heavy raw materials are added, sequentially adding the corn straw silage, the garlic peel, the concentrated feed supplement and the granules, and stirring is performed when the raw materials are added. The garlic peel is used as a substitute of conventional feed raw materials to be added to the feed for beef cattle, agriculture by-products of the garlic peel and active components of the garlic peel, including polysaccharide, polyphenols, pectin, dietary fibers and the like are sufficiently utilized, the consumption and use of conventional feed resources can be reduced, the condition that the feed raw materials are in short supply along the time can be relieved, and besides, environment pollution caused by that the garlic peel is directly abandoned can be reduced and avoided.

The invention relates to the technical field of a feed for poultry, and particularly discloses a feed for broiler chickens having a high dressing percentage and a low abdominal fat percentage and a preparation method of the feed. According to the feed for the broiler chickens and the preparation method of the broiler chickens, disclosed by the invention, soybean phospholipid powder and lipase are added in the feed, and a certain proportion of soybean oil is used for replacing fish oil to be used in the chicken feed, so that the slaughter performance of the broiler chickens can be improved, the effect of the abdominal fat percentage is reduced, and the growing performance of the broiler chickens is improved. The feed has the advantages of high safety, high economy, high efficiency and the like. The feed disclosed by the invention does not have the problems that any residues exist and pollution exists, has higher economic benefits and is suitable for breeding plants for supplying slaughtered broiler chickens.

The invention relates to a Chinese herbal medicine feed additive for improving the meat quality of broiler infected with salmonella, and belongs to the field of chicken feed additives. The Chinese herbal medicine feed additive comprises a basic formula and a prescription, wherein the basic formula comprises, by weight, 10-15 parts of angelica sinensis, 10-15 parts of medlar; 10-15 parts of Chineseyam, 1-6 parts of salvia miltiorrhiza, 10-15 parts of Chinese magnoliavine fruit, 2-8 parts of rhizoma corydalis, 3-9 parts of fructuscnidii, 2-8 parts of oyster, 11-16 parts of fried rice flour, 11-16 parts of fried folium artemisiaeargyi and 5-10 parts of plant ash; the prescription comprises, by weight, 3-10 parts of agastacherugosa, 5-13 parts of white hyacinth bean, 5-13 parts of largeheadatractylodes rhizome, 8-15 parts of tuckahoe, 3-10 parts of platycodongrandiflorum, 3-10 parts of allium macrostemon, 5-13 parts of dandelion, 5-13 parts of halloysitumrubrum, 3-10 parts of honey-friedlicorice root, 10-20 parts of coptischinensis, 5-13 parts of rhizomaosmundae and 5-13 parts of subprostratesophora. The additive can improve the slaughtering performance of the broiler, improve the meat quality performance and improve the growth performance, and the preparation method can improve an extraction rate of water-soluble effective components and reduce the loss of effective components in the extraction process.