40results about How to "Long fast" patented technology

The invention belongs to the technical field of the breeding of poultry. A cultivation method of yellow-feathered meat chickens with a higher production performance sequentially comprises the following: 1, taking the yellow-feathered meat chickens characterized in yellow hemp feathers and yellow shins as male parents, taking abroad broiler chickens as female parents, producing an F1 generation through hybridization, and retaining female chickens of the F1 generation; 2, taking the yellow-feathered meat chickens which serve as the male parents in the step 1 as male parents, mating the male parents with the female chickens of the F1 generation, producing an F2 generation through hybridization, and selecting and retaining individuals with the yellow hemp feathers in the F2 generation, and feeding and management; 3, crossing and reproducing the male and female individuals obtained in the step 2, and purifying and fixing beneficial properties according to a family tree and an individual selection method; and 4, forming a new breed of yellow-feathered meat chickens containing the blood relationship of the abroad broiler chickens through the selection and breeding of the beneficial properties of 4 or more generations. In the invention, the growing speed of the yellow-feathered meat chickens in China in the early period is quite obviously improved, the feed/gain ratio is reduced, and the reproductive performance is improved to a certain extent.

The invention discloses an additive of a Micropterus salmoides adult fish compound feed. The additive comprises the following air-dried substances in parts by weight: 5-7 parts of poria cocos, 4-6 parts of medlar, 3-5 parts of black sesames, 8-12 parts of fructus psoraleae, 1-2 parts of ferrous sulfate, 4-6 parts of copper sulfate, 2-4 parts of medical stone and 60-70 parts of rice hull powder. By addition of traditional herbal medicines such as the poria cocos, the medlar, the black sesames and the fructus psoraleae which are scientifically combined with mineral salts, skeletal development of Micropterus salmoides adult fishes can be promoted, the growth speed can be remarkably increased, and the cultured Micropterus salmoides adult fishes are elongated.

The invention relates to the field of edible fungus planting, in particular to a planting method for enabling morchella vulgaris to fruit before the year. The invention adopts the technical scheme that the planting method for enabling the morchella vulgaris to fruit before the year comprises the following steps: selecting morchella vulgaris varieties; selecting out the morchella vulgaris varieties which early fruit as the to-be-planted morchella vulgaris varieties; performing land consolidation; building a sunshade shed; selecting proper humidity, time and attitude for morchella vulgaris planting: controlling the soil humidity within 48-52 percent, selecting a place with an attitude of 400-600 m and performing morchella vulgaris seeding in late October; building an arch-shaped shed; picking the morchella vulgaris in early January. The planting method for enabling the morchella vulgaris to fruit before the year, provided by the invention, overcomes the defects in the prior art and solves the problems that existing morchella vulgaris centralizes on listing after the year and is low in planting efficiency.

The invention belongs to the technical field of poultry breeding, and relates to a method for cultivating a special male parent strain mainly used as yellow-feather broilers, which comprises the following steps of: 1, hybridizing to generate a F1 generation by taking a broiler chicken from another country as a male parent and a yellow-feather broiler with characteristics of jute feathers and yellow shins as a female parent, selecting and remaining F1-generation cocks and performing feeding and management according to a feeding and management method of breeding hens; 2, mating a F1-generation cock serving as the male parent with the female parent in the step 1 to generate a F2 generation, grouping respectively according to feather colors in the F2 generation, performing test cross, and performing the feeding and management according to the feeding and management method of the breeding hens; 3, crossing male and female individuals of each group obtained in the step 2 athwart and propagating, and purifying and fixing beneficial characters according to a family and individual selection method; and 4, breeding by four or more than four beneficial characters for generations to form a new broiler strain containing the bloodlines of the broiler chickens from other countries. By the method, the growth speed of the yellow-feather broilers in China is improved substantially, and the feed conversion rate is reduced.

The invention belongs to the technical field of poultry breeding. The invention provides a method for breeding a high-quality broiler strain with higher production performance, recessive white feathers and colored feathers. The method comprises the following steps: 1. taking the foreign broiler chicken as female parents and yellow-feathered broilers with the characteristics of jute feathers and yellow shins as male parents to hybridize to generate F1 generation, selecting and reserving the individuals with jute feathers in the F1 generation, and feeding and managing the individuals in the ways of feeding and managing the breeding chicken; 2. carrying out athwart crossing and propagating on the obtained male and female individuals with jute feathers in the step 1, grouping the generated individuals respectively according to the feather colors, carrying out test crossing on the groups of individuals with other feather colors except the group of individuals with white feathers, and then purifying and fixing the beneficial characters of the groups according to the family and individual selection methods; and 3. forming the new strain with the foreign broiler chicken bloodline through systematic breeding of four or more generations of chicken. The method has the beneficial effects of substantially improving the early growth speed of the yellow-feathered broilers in China and more obviously reducing the feed-gain ratio.

The invention discloses a planting method for selenium-enriched honey-dew melons, and relates to the technical field of planting. The planting method comprises the steps of sowing, seedling raising, planting, field management, soil treatment with a disease-resistant substrate before planting and application of a selenium nutrition agent to the honey-dew melons during planting; a preparation methodof the disease-resistant substrate comprises the steps that crop straw is crushed and then mixed with soybean flour and corn flour, bagging, high-temperature sterilization and cooling are conducted,and the mixture is inoculated with a bacillus subtilis bacterial agent is added for fermentation to obtain the disease-resistant substrate; a preparation method of the selenium nutrition agent comprises the step that 20-30 parts of chelate selenium salt, 2-7 parts of malt extracts and 1-5 parts of chlorella extracts are mixed to prepare slow-release capsular particles with the particle size of 10-20 mm. By means of the method, not only can the occurrence of diseases of the honey-dew melons be reduced, but also the waste of selenium can be reduced, and the planted honey-dew melons meet seleniumenrichment standards.

The invention discloses a compound feed capable of replacing a chilled feed to breed penaeus japonicus. The compound feed comprises the following components in parts by weight of 10-60 parts of fish meal, 1-10 parts of euphausia superba powder, 1-6 parts of silkworm chrysalis meal, 1-3 parts of cottonseed meal, 1-5 parts of intestine film protein powder, 1-10 parts of 46% soybean meal, 10-20 partsof high gluten flour, 1-3 parts of cuttlefish paste, 1-10 parts of enzymolysis fish soluble extracts, 1-3 parts of scallop powder, 1-4 parts of beer yeast powder, 1-4 parts of soybean phospholipid oil, 1-3 parts of squid oil and 1-2 parts of a mixture of multiple vitamins and multiple minerals. Further, the compound feed also comprises the following components of 1-3 parts of choline chloride, 1-2 parts of calcium bis(dihydrogenphosphate), 0.05-0.1 part of a feed mildewproof agent and 0.01-0.02 part of an antioxidant. The compound feed disclosed by the invention is balanced in nutrients, canmeet nutritional requirements of the penaeus japonicus, has good food calling effects, and is lower in feed conversion, and higher in breeding benefits. The invention further provides a preparation method of the compound feed. The preparation method is simple in steps, large-scale production is easy to realize, and the preparation cost of the compound feed can be reduced.

The present invention relates to a creep feed containing puffed fermented soybean meal. A feed contains the creep feed containing the puffed fermented soybean meal. The creep feed is fed for 14 days after weaning for 25 days. The creep feed can effectively improve intestinal tract of piglets and reduces diarrhea rate.

The invention relates to a method for dry land direct rice sowing and relates to the technical field of agricultural planting. The method for dry land direct rice sowing is used for solving the problem that in the prior art, rice and other grain crops can hardly grow in dry and rainless seasons and long-term arid areas. The method comprises the following steps of rice seed pretreatment, clearance making and direct sowing. According to the method for dry land direct rice sowing, rice can be produced in the arid areas without complex operation, and the arid areas become high-yield grain producing areas; meanwhile, the income is increased in the arid areas, and the national self-produced grain safety warehouse storage amount and the export volume are increased.

The invention discloses a preparation method of a large-scale fungus test tube strain medium, which comprises the following steps: (1) collecting alopecuras aequalis sobol, removing impurities, soaking in water for 40 hours, taking grass seeds out, and drying in the air; (2) boiling bean sprout, wheat skin, and mushroom in water, performing heat preservation for 25 minutes, filtering to taking a solution out, heating and concentrating the solution; (3) adding potassium dihydrogen phosphate in the nutrient solution obtained in step (2), adjusting the PH to 6.5-7.2; (4) spraying the nutrient solution obtained in step (3) onto the grass seeds obtained in step (1), fully and uniformly stirring; (5) adding the medium obtained in step (4) into a test tube, plugging a cotton plug, binding the test tube up, putting the test tube in an autoclave, maintaining a gas pressure of 1.5 atm, performing sterilization for 60 minutes, naturally cooling to 70 degrees, opening the autoclave cover, taking out the test tube, when the temperature of the test tube decreases to about 25 DEG C, inoculating a basic fungal strain under an aseptic condition; (6) culturing the test tube strain obtained in step (5) at about 25 DEG C for 10-13 days so as to be ready for production.

The invention relates to the technical field of livestock breeding, and discloses a breeding method for breeding pigs with high growth speed and high reproductive capacity. The method comprises the following specific operation steps: S1, optimizing and purifying sows and boars through small-group closed breeding, and respectively establishing a French strain of sows and an American strain of boars; S2, taking boars of the American strain as male parents and sows of the French strain as female parents, or through positive and negative matings, breeding a first generation of breeding pig group. According to the breeding method for breeding pigs with high growth speed and high reproductive capacity, a stable basic group can be established through mutual positive and negative crosses and intercrosses of boars of the American strain and sows of the French strain, and closed breeding, a strain which is high in growth speed, high in lean meat percentage, and high in live piglet yield is bred as male parents, and a high-yield breeding group is established, so as to obtain breeding pigs with excellent characteristics of high piglet yield, excellent reproductive capacity, high growth speed, and high lean meat percentage; besides, the matching mode is simple and efficient, and the hybridization advantages are obvious, so that the breeding capacity of the pig breeding industry can be improved, and the market consumption demand is met.

The invention discloses complete formula feed for breeding black fries of eels and a preparation method thereof. The complete formula feed comprises the following components in parts by weight: 50-60parts of fish meal, 6-10 parts of chicken meal, 5-10 parts of fermented soybean meal, 5-10 parts of soybean protein concentrate, 3-7 parts of peanut-oil press cake, 5-7 parts of vital wheat gluten, 1-2 parts of monocalcium phosphate, 2-5 parts of fatty acid calcium, 1-3 parts of mannooligosaccharides, 0.5-1 part of soybean phosphatide oil, 17-23 parts of pre-gelatinized starch, 0.5-1 part of powdery yeast/powdery lactobacillus/powdery bifidobacterium/mixed probiotics of the above-mentioned two or three bacteria, 2-3 parts of multi-vitamin mixtures and 2-3 parts of multi-mineral mixtures. The invention can improve the feed conversion rate, reduce the enteritis rate of the eels in the black fry period, improve the immunity and the relative fatness of the eels in the black fry period and effectively improve the breeding benefit. The preparation method is simple in steps and capable of ensuring the quality of the feed.

The invention discloses a hybrid black pig breeding method taking both output and quality of pork into consideration. The method comprises the following breeding steps: step one, taking Taihu pigs as sows and Berkshire pigs as boars, and obtaining hybrid pigs through hybridization, the hybrid pigs being Taihu-Berkshire pigs; taking Tiegu pigs as sows and Berkshire pigs as boars, and obtaining hybrid pigs through hybridization, the hybrid pigs being Tiegu-Berkshire pigs; step two, taking the Taihu-Berkshire pigs as sows and the Tiegu-Berkshire pigs as boars, and obtaining hybrid pigs through hybridization, the hybrid pigs being Taihu-Tiegu-Berkshire pigs I; taking the Tiegu-Berkshire pigs as sows and the Taihu-Berkshire pigs as boars, and obtaining hybrid pigs through hybridization, the hybrid pigs being Taihu-Tiegu-Berkshire pigs II; and step three, conducting four times of back cross breeding without blood relations on the Taihu-Tiegu-Berkshire pigs I and the Taihu-Tiegu-Berkshire pigs II, and obtaining finished black pigs. Pigs for pork obtained through the method have the advantages of high fertility, fast growing, high pork quality, crude feed tolerance and good adversity resistance.

The invention relates to hybrid mycelia instant powder, comprising, by weight, 1-2 parts of fermented golden needle mushroom mycelia, 1-2 parts of fermented king oyster mushroom mycelia, 1-2 parts offermented oyster mushroom mycelia, 2-3 parts of xylitol and 3-5 parts of red dates powder; the red dates powder is prepared by pitting fresh red dates, drying at 50-60 DEG C and crushing into powder;the above components are mixed well, the mixture is dried, and expanding and crushing are preformed to obtain the finished instant powder. The oyster mushroom, king oyster mushroom and golden needle mushroom are used as main materials, the effects of the three mushrooms are integrated, and complete nutrition is provided; the king oyster mushroom helps digest and helps a consumer to gain maximum absorption; the auxiliaries, red dates and xylitol are added to the mushrooms, and expanding and crushing are performed to obtain the instant powder; the instant powder has good brewing properties and is convenient to consume; the unique taste and sweet flavor are added to the instant powder, and the instant powder has strong and attractive flavor.

The invention discloses a high-yield planting method for okra. The method comprises the following steps: selecting land, namely selecting soil with good plough layer depth and drainage, turning up the soil once, then ploughing the soil for 20-30cm, then mixing base fertilizer in per mu of land, and sowing in a hole sowing manner, wherein the row distance during hole sowing is 5cm, the plant distance is 6cm, and three seeds are sown in each hole; and cultivating, namely thinning when a seedling unfolds five leaves, spraying 5-10kg of leaf fertilizer per plant after thinning, transplanting before flowering, preparing soil where transplanting is carried out, forming ridges which are 20cm high and 30cm wide and keep distance of 8cm, then mixing fertilizer, wherein the row distance is 8cm and the plant distance is 10cm after transplanting, removing weeds and intertilling once every 30 days after entering a flowering stage, watering according to the condition and carrying out supplementary application of fertilizer. By adopting the method disclosed by the invention, the demand of okra can be met, the field management is facilitated, seedlings grow fast, branches and leaves are juicy after the seedlings are mature, the taste is full, and the yield per mu of the okra is improved.

The invention belongs to the technical field of aquaculture, and particularly relates to a special feed for ictalurus punetaus and a high-yield and high-efficiency culture model thereof. The special feed for the ictalurus punetaus has the advantages that the ictalurus punetaus can digest and absorb the feed well; the growth speed of the ictalurus punetaus is increased; the feed coefficient is reduced; the stability of the feed in water is high; aquaculture water quality is not prone to pollute; feed nutrition is balanced; a liver-protecting and gallbladder-protecting additive is added, so that the health of the ictalurus punetaus is protected, the survival rate and digestibility are increased, and the growth speed is high; and after eating the feed, the ictalurus punetaus has a stable body color and has no yellow-flesh risk; and the high-yield and high-efficiency culture model has the advantages that diseases are reduced; diseases can be effectively controlled through low-density culture; the death rate can be reduced; with the use of animal protection products such as a substrate improver and a disinfection product, the diseases are reduced; two batches of ictalurus punetaus are harvested in one year, the yield and efficiency are increased, the culture period is shortened, and the fund pressure of a culturist is relieved.

The invention discloses a primer group for breeding slow-feathering homozygous yellow-foot partridge chickens and a breeding method of rapid yellow-foot partridge chickens suitable for slaughtering. The primer group comprises a fast-feathering primer pair and a slow-feathering primer pair, the nucleotide sequence of a forward primer of the fast-feathering primer pair is shown as SEQ ID No.1, and the nucleotide sequence of a reverse primer of the fast-feathering primer pair is shown as SEQ ID No.2; the nucleotide sequence of a forward primer of the slow feathering primer pair is shown as SEQ ID No.3, and the nucleotide sequence of a reverse primer of the slow feathering primer pair is shown as SEQ ID No.4. According to the fast and slow feathering auto-sexing genetic principle and the designed fast and slow feathering genetic typing specific primers, fast feathering, slow feathering and slow feathering heterozygotes and homozygotes can be rapidly distinguished, a homozygous slow feathering strain is cultivated, and fast and slow feathering auto-sexing of commercial generations is achieved.

The invention discloses a feed additive for regulating the growth performance of piglets. The feed additive comprises carrots, wheat, sodium citrate, beet leaves, black bean powder, sweet potatoes, licorice roots, ginger powder, citrus leaves, centella asiatica, corn straw treatment substances and a loquat leaf-glossy privet fruit-hawthorn compound extract. The prepared additive is added into feed for feeding pigs, the immunity of the pigs can be improved, the internal environment of the body is improved, metabolism is adjusted, macroscopically, the pigs grow fast, the death rate is low, the slaughtering time of the pigs can be shortened, and the feeding cost is reduced.