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 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 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 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 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 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 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 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 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.