1545results about How to "Reduce feeding costs" patented technology

The invention discloses a method for segregated early weaning of piglets, which comprises the steps of medicine adding, segregation, early transfer and the feeding of early weaning by piglet feed, wherein the medicine adding is performed before and after the delivery of a sow, the advanced medicine adding is used to kill off microorganisms which is expected to be killed, and the medicine adding is also performed from the birth of a suckling piglet to the weaning; the segregation adopts that the parturient sow is transferred into a clean farrowing house for delivery from the pregnancy, and the piglet at the age of between 10 and 14 days is transferred into a clean and comfortable breeding house from the farrowing house; when the level of a maternal antibody of the piglet at the age of between 10 and 14 days is in higher state, the piglet is moved away from the sow and is transferred into a cleaner environment; and the piglet feed for segregated early weaning adopts four stages to feed. The piglet has early weaning segregation time, high survival rate, and quick growth speed, the segregated early weaning of the piglet can save feeding cost of the sow, improve the yearly parity number of the sow, improve the utilization rate of the farrowing house, and reduce the probability that the piglet is infected with sow diseases, and a segregated early weaning technology of the piglet is suitable for the application of modern pig farms.

The invention provides a Chinese herbal medicine feed additive for chickens and a preparation method and application thereof. The preparation method comprises the following steps: using a plurality of natural Chinese herbal medicines as raw materials, crushing the Chinese herbal medicines in the formulation, leaching the effective components in the Chinese herbal medicines, adding the prepared additive the amount of which is 0.5 to 4 weight percent of the feeding mass in daily feeds for various chickens, feeding the chickens after stirring evenly, and discontinuously adding feed in the whole process. The feed additive has the advantages that the raw materials are scientific and reasonable, the preparation process has strong operability, and the prepared additive has the characteristics of trace, high efficiency, favorable palatability, safety and non-toxicity, can promote growth and development of the chickens remarkably, advances the marketing time, and reduce feed cost; the feed additive has the functions of excellent bacteria resistance, stress resistance and immunity improvement, reduces the occurrence of plagues, realizes healthy and non-resistant breeding in the whole process, and can produce green and good-quality chicken products without medicament residues.

The invention discloses a CRISPR (clustered regularly interspaced short palindromic repeats)/Cas9 system and application thereof to construction of swine-derived recombinant cells with insulin receptor substrate gene defects. The invention provides an sgRNA (ribonucleic acid) combination which is composed of sgRNAIRS1-1, sgRNAIRS1-3, sgRNAIRS2-2 and sgRNAIRS2-3. The invention provides a plasmid combination. The plasmid combination is composed of four plasmids, and the four plasmids are respectively subjected to transcription to obtain sgRNAIRS1-1, sgRNAIRS1-3, sgRNAIRS2-2 and sgRNAIRS2-3. Theapplication of the sgRNA combination or the plasmid combination is as follows: preparation of recombinant cells; preparation of a diabetic cell model; preparation of a diabetic animal model. Accordingto the invention, sgRNAIRS1-1 is as shown in SEQ ID NO:8; sgRNAIRS1-3 is as shown in SEQ ID NO:10; sgRNAIRS2-2 is shown as SEQ ID NO:14; and sgRNAIRS2-3 is as shown in SEQ ID NO:15. A solid foundation is laid for the preparation of diabetic pig models, and important application value for the research and development of diabetic medicaments is achieved.

The invention provides a feed addictive which comprises the following plant raw materials (by weight portion): hyacinth bean 48-58, broomrape 26-36, lily 18-26, root of pilose asiabell 18-28, Siberian solomonseal rhizome 8-16, dipsacus root 8-16, astragalus root 18-28, Chinese yam 58-68, doddor seed 8-16, walnut 18-28 and hemp seeds 8-16.

Composition and method for production of peroxycarboxylic acid solutions for various disinfection and cleaning compositions that utilizes non-equilibrium peroxycarboxylic acid. More specifically compositions comprise peracetic acid (PAA) and methods for making non-equilibrium PAA are provided. Frozen compositions useful as antimicrobial ice are provided.

The invention discloses a feces and urine separated type scraper blade feces cleaning system which comprises a longitudinal feces cleaning ditch and a feces scraping mechanism arranged in the feces cleaning ditch. The longitudinal feces cleaning ditch is obliquely arranged, a feces collecting ditch is arranged at the outlet of the high end of the longitudinal feces cleaning ditch, and a urine collecting ditch is arranged at the low end of the longitudinal feces cleaning ditch. When the feces scraping mechanism is used for cleaning feces, urine flows downwards into the urine collecting ditch under the gravity, feces enters the feces collecting ditch under the action of the feces scraping mechanism, the urine and the feces are automatically separated, and subsequent processing is facilitated.

The invention discloses a staged desalinization culturing method for penaeus vannamei boone. The method comprises the steps such as selection of penaeus vannamei boone offspring seeds, a staged offspring seed desalting process, treatment on quality of offspring seed desalination water, treatment on quality of water in a culturing process, routine culture and management and the like. By utilizing the staged desalinization culturing method for penaeus vannamei boone provided by the invention, the problem that penaeus vannamei boone dies due to osmotic pressure change caused by salinity change is overcome, and the desalinization culturing of the penaeus vannamei boone is achieved, thus the method provided by the invention has important practical application value.

The invention provides a compound feed capable of improving the fatty liver and body colour of the marine fish. The compound feed comprises a premixed feed, a bile acid, curcumin and betaine, wherein the premixed feed comprises fish meal, soya bean meal, corn gluten meal, high protein flour, corn, shrimp shell meal, monocalcium phosphate, fish oil, liquid phosphatide, vitamin premixes, mineral premixes, and the like. Artificial marine-fish breeding experiments prove that the compound feed provided by the invention can meet the nutritional needs of marine-fish growth, effectively enhance the physique of the marine fish, improve the immunity of the marine fish, reduce the incidence of a fatty liver disease, and improve the body color of the marine fish, so that the body color of the marine fish is bright-colored and close to a wild natural color, thereby enhancing the quality of artificially cultured marine fish.

The invention provides an artificial diet for Lepidopterous young larvae. The artificial diet for the Lepidopterous young larvae is prepared from the following raw materials in percentage by weight: 2.0 to 3.0 percent of soybean cake meal, 7.0 to 10.0 percent of corn flour, 2.0 to 3.0 percent of Saccharomyces cerevisiae Hansen, 7.0 to 10.0 percent of tomato sauce, 0.8 to 1.2 percent of sucrose, 1.2 to 1.4 percent of agar, 0.2 to 0.5 percent of sorbic acid, 0.05 to 0.1 percent of vitamin B complex, 0.2 to 0.4 percent of ascorbic acid, 0.1 to 0.2 percent of ethyl p-hydroxybenzoate, 0.2 to 0.4 percent of propionic acid and 71.0 to 77.0 percent of water. The invention also provides a method for preparing the artificial diet and application of the artificial diet. The artificial diet is low in manufacturing cost, easy to operate and high in practicability; and by the artificial diet and the raising method for raising the Lepidopterous young larvae, the survival rate of the larvae is high, the workload is low, and manpower and material resources are greatly saved.

The invention relates to a cultivation method of spotted maigre in seawater cage culturing industry, which pertains to the technical field of agriculture mariculture. By utilizing different starvation time produced by compensation growth mechanism of spotted maigre with different weight, the invention puts forward different feeding methods for spotted maigre with different weight; the feeding methods include daily feeding amount, feeding frequency and stocking density which is suitable with the feeding frequency. The feed utilization rate of feed by adopting the method of the invention is improved by 13.7 percent; labor cost and feed cost of the cultivation is reduced, the fat content of the cultured spotted maigre is 5 percent to 10 percent lower than that of conventional cultivation, while the protein content is increased by 10 percent to 15 percent, which is conducive to human health, and the output value is increased by 28.3 percent; the cultivation method of the invention has good economic benefit, is an innovative seawater cage culturing method and can be applied for popularization.

The invention relates to the technical field of feed processing and specifically provides a microbial fermented feed and a production process thereof. The microbial fermented feed is composed of 60% by mass of waste stevia rebaudiana residue, 15% by mass of corn flour, 15% by mass of soybean meal and 10% by mass of liquid strains, wherein the liquid strains comprise lactobacillus fermenti, saccharomyces cerevisiae, bacillus subtilis and clostridium butyricum. According to the invention, a plurality of microbes are utilized and scientifically collocated for fermentation of processing waste of stevia rebaudiana, and the microbial fermented feed with the advantages of low cost, a high nutritional value, fragrant flavor and agreeable taste is produced.

In the steering apparatus and feed screw mechanism, by properly adjusting the screw-in distance of a pressing force adjusting screw 77, the arc-shaped contact surface 761 of a pressing member 76 can be pressed against the outer diameter portion 711 of a feed screw shaft 71 with a required pressing force due to the biasing force of a compression coil spring 78. As a result of this, a backlash between a feed nut 73 and feed screw shaft 71 can be removed. Therefore, the telescopic position adjustment and tilt position adjustment of a steering wheel 3 can be carried out smoothly, thereby being able to enhance the rigidity of the steering wheel 3 after execution of the position adjustment thereof.

The invention discloses a method for preparing complete feed for cattle and sheep by using mushroom medium residues as a raw material for secondary fermentation. The complete feed is prepared from the following raw materials in parts by weight: 20-35 parts of mushroom medium residues, 25-40 parts of a plant material, 8-10 parts of corn flour, 5-8 parts of rice bran, 3-5 parts of bean pulp, 3-4 parts of sweet potatoes, 2-3 parts of honey, 0.1-1 part of a fermentation strain and 0.1-0.3 part of trace elements, wherein the plant material is one or mixture of more than one of sugar cane tops, corn stalks, fresh pasture, wheat-straws, rice straws, paper mulberry, peanut vines and weeds. The mushroom medium residues are fermented to prepare feed for cattle and sheep with simple preparation method and low cost; and the feed prepared after fermentation has comprehensive nutrition and sweet taste, can be used for improving the appetite of cattle and sheep, and can be well accepted by cattle and sheep, so that cattle and sheep grow fast.

The invention discloses a milk powder for calf, which comprises the following constituents (by weigh percent): whey powder 14-21%, whole milk powder 4-23.12%, puffed soybean 49-64%, concentrated soybean protein 1-3%, microelement premix 0.2-0.45%, vitamin premix 0.1-0.4%, calcium hydrogen phosphate 0.12-1.12%, table salt 0.03-0.06%, paunch accelerating agent 0.1-0.3%, intestinal tract protective agent 0.07-0.2%, neomycin 0.02-0.07%, terramicin 0.02-0.08%, anti-oxidizing agent 0.02-0.4%, lypressin 0.02-0.4%, hepionin 1-1.7%, tryptophan 0.5-0.75%, threonine 0.2-0.6%, stone powder 0.8-2% and fat 0.9-3%.

Feed for herd boars comprises the following ingredients in percentage by weight: 62 of corns, 20 of 46% soya bean meal, 10 of wheat bran, 2 of beer yeast powder, 2 of Peruvian steamed fishmeal, 1 of calcium hydrophosphate, 0.7 of mountain meal, 0.32 of salt, 1.2 of core materials special for herd boars, 0.2 of baking soda, 0.12 of choline, 0.01 of ethoxy quinoline, 0.40 of smectite and 0.05 of propionic acid type mildewproof agent. The feed has good palatability and low feeding cost, ensures the survival rates of the semen of the herd boars to be higher than 99.8% and ensures good vigor and little dead and weak semen.

The invention provides a low fish meal compound feed capable of improving ingestion rate of cultured weever. The compound feed consists of the following components in part by weight: 26 to 31 parts of fish meal, 2 to 10 parts of whole shrimp powder, 12 to 16 parts of soy protein concentrate, 8 to 12 parts of fermented bean pulp, 9 to 12 parts of peanut cake, 20 to 23.5 parts of strong flour, 0.8 to 1.2 parts of calcium dihydrogen phosphate, 1.5 to 2 parts of fish oil, 1 to 2 parts of bean oil, 2 parts of vitamin and mineral salt premix, 0.2 to 0.4 part of betaine, 0.3 to 0.5 part of taurine, 0.05 to 0.1 part of citric acid, 0.3 to 0.5 part of Chinese asafetida, 0.1 to 0.2 part of glycine, 0.5 to 1 part of glutamic acid, and 0.05 to 0.12 part of alanine. The low fish meal compound feed canpromote ingestion and food digestion of fish, so that the utilization rate of the feed is improved, the coefficient of the feed is reduced, and the raising cost is reduced.

Provided are a steering device and a feed screw mechanism. The steering device is made so easy in the adjusting work of a backlash that it can eliminate the backlash reliably, even if the precision of the thread of a feed thread shaft or a feed nut is poor, thereby to improve the rigidity and to reduce the manufacturing cost of the feed screw mechanism. An upper-side end portion feed nut is urged upward of FIG. 8 by an upper-side disc spring so that an upper-side flank face of the thread ridge of the upper-side end portion fee nut is brought into close contact with the lower-side flank face of the thread ridge of a feed screw shaft. On the other hand, a lower-side end portion feed nut is urged downward of FIG. 8 by a lower-side disc spring so that a lower-side flank face of the thread ridge of the lower-side end portion fee nut is brought into close contact with the upper-side flank face of the thread ridge of the feed screw shaft. As a result, a feed nut and the feed screw shaft are cleared of the backlashes in the two upward and downward directions of FIG. 8.

The invention discloses feed for meat-type breeding ducks in egg-laying period, which comprises the following components in part by weight: 30 to 50 parts of corn, 5 to 15 parts of fine rice bran, 5 to 15 parts of wheat, 15 to 25 parts of bean pulp, 2 to 3 parts of fish meal, 1 to 5 parts of corn alcohol lees, 2 to 4 parts of corn albumen powder, 7 to 9 parts of mountain flour, 0.5 to 1.5 parts of calcium hydrophosphate, 0.2 to 0.5 part of table salt, 0.2 to 0.8 part of 65 percent lysine, 0.05 to 0.20 part of methionine, 0.05 to 0.15 part of complex enzyme, 0.02 to 0.05 part of microecological preparation, 0.01 to 0.02 part of phytase and 0.2 to 0.5 part of premix. In the feed, raw material resources are utilized fully, and the egg-laying rate, egg weight and productivity of the breeding ducks can be improved by mixing barley, the wheat and the fine rice bran which serve as main raw materials with vegetable protein, amino acid, microecological products, calcium and various mineral substances and vitamins in appropriate proportion. The feed has low cost, due to the addition of the monomer amino acid and the complex enzyme, the feeding cost of the breeding ducks is reduced substantially.