126 results about "Sheep wool" patented technology

The invention discloses a method for obtaining sheep with different hair colors on the basis of CRISPR / Cas9 and sgRNA of a targeted ASIP gene. The invention provides sgRNA (ASIP-sgRNA) capable of achieving specific and targeted modification of a sheep ASIP gene, and the sgRNA (ASIP-sgRNA) is RNA as shown from the third nucleotide to the 22<nd> nucleotide of 5' tail end of a sequence 4 of a sequence list or RNA with the nucleotides from the third nucleotide to the 22<nd> nucleotide of the 5' tail end of the sequence 4 of the sequence list. The ASIP-sgRNA particularly can be the RNA as shown in the sequence 4 of the sequence list. The invention further provides a method for obtaining sheep with changed hair colors. The method comprises the following steps that co-transfection of sgRNA capable of achieving specific and targeted modification of the sheep ASIP gene and Cas9mRNA on sheep cells is conducted, and therefore the sheep ASIP gene is deleted, and the sheep with the changed hair colors are obtained. According to the method for obtaining the sheep with different hair colors on the basis of CRISPR / Cas9 and sgRNA of the targeted ASIP gene, a CRISPR / Cas9 genome-editing technology is combined with a microinjection technology, and an effective technological means is provided for artificially changing the hair colors of the sheep.

The invention provides a method for preparing spinning solutions by using ionic liquid for dissolving animal keratin. Raw materials comprise pig hair, goat hair, sheep wool, cony hair, yak hair and wool without spinning and utilization values. A series of phosphate ester ionic liquid or acetic acid ionic liquid are used for dissolving wool keratin. The method comprises the following steps: washing the raw materials with water, degreasing, drying, crushing, adding 1-17wt% of raw material powder to the ionic liquid according to a certain ratio, adding 1-10wt% of additive, and carrying out mechanical stirring for 30-60 minutes at a temperature of 90-130 DEG C, thus obtaining the keratin spinning solutions with different concentrations. The preparation method has the advantages that the phosphate ester ionic liquid or the acetic acid ionic liquid is used as a solvent, the synthesis is simple, the dissolving process is easy to operate, the ionic liquid recycling is easy, the waste animal hair can be fully utilized, the raw materials are easy to obtain and low in cost, and the pollution of waste to environments can be reduced.

The invention discloses a method for selecting molecular markers for indicating and identifying sheep wool fiber diameters. The method comprises the following steps of: designing a pair of primers according to a gene sequence KAP 1.1 of sheep; extracting deoxyribonucleic acid (DNA) of a genome from sheep blood, and performing polymerase chain reaction (PCR) amplification on the DNA of the genome of the sheep; performing electrophoretic separation on a PCR product by using polyacrylamide gel, and detecting variant loci inserted / deleted by 60 bp and 30 bp in KAP 1.1 gene exons; and performing polymorphic analysis. The method is easy to operate, low in cost and high in accuracy, and can be used for automated detection. By the method, a simple, effective and convenient molecular marker process is provided for the auxiliary selection of the markers in the sheep breeding process, and an effective molecular marker breeding means is provided for the fineness characters of the sheep, so that the breeding process of high-quality fine-wool sheep can be accelerated.

The invention belongs to the field of textile machines and particularly discloses sheep wool opening and carding complete equipment. The sheep wool opening and carding complete equipment comprises a first feeding mechanism, a first opening mechanism, a first coarse wood and impurity removal mechanism and a first carding mechanism which are sequentially connected from front to rear. A second feeding mechanism, a second opening mechanism, a third opening mechanism, a wool combination mechanism, a second carding mechanism and a wool bin are sequentially arranged in front of the first feeding mechanism in succession. By means of the design, primary opening, coarse wood and impurity removal and carding processes are conducted on sheep wool before sheep wool enters the first feeding mechanism, it is further guaranteed that sheep wool is evener when entering the first carding mechanism, and follow-up opening, coarse wood and impurity removal and carding effects are improved beneficially.

The invention discloses a nanometer antibacterial mothproof cashmere composite fiber. The nanometer antibacterial mothproof cashmere composite fiber is prepared from 24-30 parts by weight of Xizang cashmere, 22-28 parts by weight of sheep wool, 7-9 parts by weight of polyamide fibers, 12-15 parts by weight of mulberry silk, 15-18 parts by weight of Jutecell, 18-22 parts by weight of modal fibers, 10-13 parts by weight of starch maize, 5-7 parts by weight of paraffin, 1.3-2.5 parts by weight of cocamidopropyl betaine, 11-13 parts by weight of butyl acrylate, 2-3 parts by weight of nanometer zinc oxide, 3-5 parts by weight of mint extract, 1-3 parts by weight of cocklebur fruit, 2-4 parts by weight of Angelica sylvestris, 100-110 parts by weight of 1-ethyl-3-methylimidazolium acetate, 90-100 parts by weight of 1-allyl-3-methylimidazolium chloride, 21-25 parts by weight of an assistant and a proper amount of water. Through optimization of formula and the preparation technology, the treated cashmere composite fibers have excellent and lasting antibacterial and mothproof performances, can effectively inhibit bacteria growing in cloth wear, can remove a peculiar smell, have no irritation, has safety, health and heath care effects, and can be used for making cashmere sweater suitable for people of all ages.

The invention relates to a fibrosis technology for a regenerative keratin and silk-fibroin blended solution of animal hairs, and in particular relates to a method for preparation and wet spinning of the regenerative keratin and silk-fibroin blended solution. The method is characterized by comprising the following steps of: blending a regenerative keratin solution and a regenerative silk-fibroin solution, which use an ionic liquid as a solvent, by using waste mulberry silks, animal hairs and wools as raw materials to obtain a spinning solution, wherein the animal hairs include pig hairs, sheep wools, rabbit hairs, camel hairs, yak hairs and the like, and the wools do not have spinning and weaving utility values; molding by adopting wet spinning; improving the degree of orientation of fibers through multi-stage drawing; improving the crystallinity of the fibers through heat treatment and ethanol treatment; and improving the elasticity and tensibility of the fibers through oxidation crosslinking. The regenerative keratin and silk-fibroin fibers prepared by the method are protein fibers in an absolute sense, do not need to be blended and molded with synthetic polymer, and have excellent characteristics of natural cashmere fibers and silk fibers.

The invention relates to the technical field of animal molecular markers, in particular to a molecular marker related with a diameter character of sheep wool fibers as well as a specific primer and application thereof in selection of diameter character of Chinese Merino sheep wool fibers. The molecular marker related with the diameter character of the sheep wool fibers is located at the No.30 exonof the No.21 chromosome of FAT3 gene. The molecular marker has the advantages that the function of using rs425144268 SNP site as the molecular marker of the diameter of the sheep wool fibers is disclosed for the first time, and the function of applying the rs425144268 SNP site to the selection of the diameter character of the Chinese Merino sheep wool fibers is disclosed for the first time; whenthe excellent diameter character of the wool fibers is identified by the molecular marker related with the diameter character of the sheep wool fibers, the operation is simple, and the sheep with smaller fiber diameter can be screened in an assisting way; because the detection level of the molecular marker is started, the accuracy of variety selection is improved, and the detection efficiency is improved.

Compositions containing biologically active peptides are disclosed. Active peptides are isolated fragments derived from human hair or sheep wool keratin proteins. Compositions may be prepared for pharmaceutical or topical administration or for use in cosmetic preparations.

The invention provides a real-time fluorescent polymerase chain reaction (PCR) identification method for cashmere and sheep wool. The method comprises the following steps of: extracting deoxyribonucleic acid (DNA) of a sample; designing a primer and a probe for DNA sequences of mitochondria of goats and sheep; performing specific amplification on goat ingredients and sheep ingredients in the DNA respectively through a real-time fluorescent PCR; and identifying whether a sample to be detected contains the cashmere and the sheep wool or not according an amplification curve and a Ct value. The real-time fluorescent PCR identification method for the cashmere and the sheep wool is high in specificity and sensibility, and the requirements of daily detection of light textiles can be met.

The invention relates to the technical field of animal molecular markers, in particular to a molecular marker capable of predicting and identifying a sheep wool length and application of a specific primer pair in predicting and identifying wool length character of Chinese Merino lambs. The molecular marker capable of predicting and identifying the sheep wool length is located at a first exon of aNo. 1 chromosome of IFNAR2 genes. The invention firstly discloses an rs407032027 SNP locus serving as a molecular maker capable of predicting and identifying the sheep wool length, and firstly discloses the application of the rs407032027 SNP locus in the selection of the wool length character of the Chinese Merino lamb; and when the molecular marker capable of predicting and identifying the sheepwool length is adopted to select a sheep variety with excellent wool length character, the molecular marker has the advantages of simple operation, low expense, high accuracy and capability of automatic detection.

The invention discloses a manufacturing process for an anti-bacterial and allergy-free textile fabric. The fabric is made of the raw materials in the following weight parts: 9-14 parts of bamboo charcoal fibers, 15-25 parts of activated carbon fibers, 20-25 parts of apocynum venetum fibers, 10-20 parts of corduroy fibers, 6-10 parts of dacron, 5-8 parts of alkaline pectinase, 5-8 parts of bi-palmitoyl quadrol sodium dipropionate, 4-8 parts of tea saponin, 7-15 parts of chinlon, 9-13 parts of gabardine, 6-11 parts of bamboo fibers, 5-10 parts of fully drawn yarns, 5-8 parts of sisal hemp, 7-15 parts of jeans flocking, 10-20 parts of sheep wool, and 10-17 parts of cotton fibers. The textile fabric is woven by using various fiber materials, and can effectively absorb various dusts and has excellent sterilization and anti-bacterial effects. The textile fabric has effective allergy-free effect. The fabric is soft in texture, and is breathable and absorbs moisture, and the fabric is cool and comfortable to wear.

The invention discloses a method for performing multiple-step treatment on sheepskin by using biological enzymes, which is characterized in that industrial pancreatic enzymes, composite enzymes TA for acid pickling and softening and composite enzymes TB for acid pickling and softening are respectively used for performing softening treatment on sheepskin in an enzyme softening procedure and an acid pickling procedure; and the treated sheepskin is processed through the conventional process, thereby obtaining the very soft and lightweight sheepskin. Thus, the quality and added values of the sheepskin and products thereof are greatly improved.

The invention discloses a manufacturing method for dyeing and printing a sheep wool comforter. The manufacturing method comprises the following steps: preparing blank leather before stripping (stripping, steaming, washing with water, drying, moistening, extending, toggling, placing, brushing a formic acid solution, scalding wool and cutting wool) printing, steaming, dewatering, drying, moistening, extending, toggling, placing, brushing a hand feeling solution, scalding the wool, cutting the wool, fluffing leather, removing dust, spraying resin on a leather plate, and ironing. According to the manufacturing method for dyeing and printing the sheep wool comforter, the wool tips of the comforter of the dyeing sheep cashmere-shorn leather are reduced to white or another light tone by using the stripping agent, and then, beautiful patterns which are the same as or different from a bottom color are printed on the comforter; the leather plate is further fluffed to scatter collagenous fibers, so that the leather is more soft; and the bottom of the leather plate is covered by using medium-hard resin, so that the hand feeling of the leather plate is smooth, dry and comfortable, and the wear resistance is more excellent. According to the method, new patterns and types of the leather are increased, and more colorful, novel and unique leather pattern products can be produced by dyeing, reducing and stripping as well as printing the comforter.

The invention discloses a wool-blown hollow bag yarn. The main body of the yarn is a filament yarn made of terylene or nylon, or a composite yarn formed by the filament yarn and a staple fiber yarn made of other raw materials; wool refers to at least one of sheep wool, paco wool, acrylic staple fiber, polyester staple fiber and nylon staple fiber. The yarn has fluffy and soft handfeel, and is 20-30 percent higher than a worsted yarn of the same count in strength; a fabric made of the wool-blown hollow bag yarns is 8-20 percent lighter than a fabric of the same thickness made of the worsted yarns of the same count, and is better in heat-insulating effect.

The invention discloses screening of SNP (Single Nucleotide Polymorphism) related to sheep wool traits and an application and belongs to the technical field of livestock marker assisted selection seedling. The sheep wool traits are analyzed and predicted with the SNP markers, and the total DNA of different sheep individuals is subjected to PCR (polymerase chain reaction) amplification with primers shown in SEQ ID NO: 2 and 3 or primers shown in SEQ ID NO: 4 and 5; products of the PCR amplification are subjected to SNP detection, bases in the 336th position, the 513rd position and the 572nd position from the 5' end are determined to be C or T, and the wool tensile length of the individuals containing CC and CT genes formed through mutation in the 336th position is remarkably increased; the wool yield and tensile length of the N haplotype homozygous type NN or heterozygous type NM individuals formed by TT in the 513rd position and the 572nd position are remarkably larger than those of the M haplotype homozygous type MM individuals. The SNP markers can be adopted as diagnostic markers for early breeding of superfine fine-wool sheep and can shorten the variety breeding period, reduce the degree of dependence on progeny testing, reduce the conventional breeding cost and accelerate the breeding process.

The invention belongs to the fields of genetic breeding of animals, SNP markers and application, and particularly relates to an SNP marker and a molecular marker significantly related to Australian white sheep wool thickness and application. The molecular marker nucleotide sequence is shown as SEQ ID NO:1, an A / G allele mutation exists at a basic group of the position 111 of the sequence, and whenthe nucleotide at the position 111 of SEQ ID NO:1 is G, the hair of Australian white sheep is thicker. The invention also discloses a preparation method of the molecular marker related to the Australian white sheep wool thickness and application of a correlation analysis method thereof. A new SNP molecular marker is provided for molecular marker-assisted selection of thick wool traits of Australian white sheep, and the SNP molecular marker can be used for selective breeding and early selection of new Australian white sheep strains and in the process of breeding new Australian white sheep varieties by using Australian white sheep, so that the selection accuracy can be improved, and the breeding and purification progress can be accelerated.

The invention relates to a molecular marking method, in particular to a molecular marking method for predicting and identifying the length of sheep wool. The method comprises the steps as follows: 1), extracting sheep genome DNA, designing a primer, performing PCR (polymerase chain reaction) amplification, performing enzyme digestion, and obtaining an enzyme digestion product; 2), subjecting the enzyme digestion product to electrophoretic separation, and judging genotypes according to an electrophoretic separation result; 3), performing association analysis and estimating the least square mean value of characters, and obtaining a result that the length of wool of a GG genotype individual is remarkably higher than that of wool of AA genotype and AG genotype individuals in the three genotypes; and 4), constructing wool length character breeding population taking the GG genotype individual as the primary so that the length of the sheep wool is predicated and identified. According to the method, the operation is simple, the cost is low, the accuracy is high, and automatic detection can be performed. Selective breeding of the sheep wool length is performed with the molecular marking method, so that a genetic breeding process of the length characters of the sheep wool can be accelerated, breeding sheep can be early selected, the sheep can be selected and left after birth, and a sheep breeding process is accelerated.

Provided is polyester-viscose blended corduroy related to the field of textile fabrics, including chaine adopting polyester filament or terylene net-thread, pile weft adopting polyester artificial cotton wool blended yarn or cationic polyester artificial cotton wool blended yarn, and ground weft adopting polyester fiber or polyester polyurethane fiber complex wire. The invention has the advantage of achieving a rational allocation of material fabric for use as material of high-grade clothing with a soft feel, bright colour, clear straightness and good upright pile property.

The invention discloses a molecular marking method capable of simultaneously predicting and identifying fineness and crimpness of sheep wool and relates to a molecular marking method. The method comprises the following steps: 1, designing a primer for performing amplification on sheep genome DNA (Deoxyribonucleic acid), and performing enzyme digestion, thereby obtaining an enzyme digestion product; 2, performing electrophoresis separation on the enzyme digestion product, and determining the genotype according to the electrophoresis separation result; 3, performing correlation analysis, and estimating the least squares mean value of the properties, wherein the results are that the wool fineness of the AA, GA genotype group in three genotypes is obviously lower than that of the GG genotype group, and the wool crimpness with the AA genotype group is obviously higher than that of the GG genotype group; and 4, dividing the experimental group into three types, and finishing the operation. The fineness and crimpness of sheep wool of the sheep can be simultaneously predicted and identified, an effective, simple and feasible molecular marking method is provided for quality character improvement and auxiliary mark selection of the sheep wool, and the method can be effectively applied to the field of molecular assisted breeding for superfine wool sheep.

The invention provides a production technology of a polyester-wool blended smooth double face woolen cloth. According to the production technology, Australian woolen stripes, woolen stripes of sheep wool, and polyester stripes are preprocessed, dyed, and fully blended, the mixture is spun by an air flow spinning technology to obtain yarns (12.5 / 1); the yarns are woven in a rapier loom; the total number of yarns is 5900-6300; the loaded fabric width is 190 to 200 cm; the portie / yarn number is 35 / 9; the weft density is 285-290 yarns / 10 cm; the fabric weight is 950-1000 g / m2; and the gray fabricsare subjected to following steps: edge seaming, shrinking, washing, dehydrating, drying, steaming, teasel raising, drying, cutting, and steaming. The smooth double face woolen cloth has a stable size, is firm and durable, is resistant to wrinkles, and has an excellent performance on resisting static electricity.

The invention discloses a processing method of novel crease-resisting Western-style clothes. The processing method comprises the following steps: weaving rabbit hairs and sheep wool into a surface-layer fabric; weaving polyester fibers into a middle-layer fabric; weaving natural cotton into an inner-layer fabric; sticking the surface-layer fabric, the middle-layer fabric and the inner-layer fabric by an adhesive and pressing to form a synthetic fabric; putting the prepared fabric into a softener and immersing; after immersing, drying at constant temperature and cutting and preparing the Western-style clothes. Compared with the prior art, the plurality of layers of fabrics are arranged; meanwhile, the special adhesive and the special softener are adopted, so that the crease-resisting capability of the Western-style clothes fabric is improved; the processing method has popularization and application value.

A flame-resistant interlining fabric for protective clothing made of a nonwoven fabric bonded by high-pressure fluid jet treatment, having weights per unit area of 40 to 200 g / m2 and containing 20 to 50 wt. % sheep wool and 50 to 80 wt. % of at least one synthetic, flame-retardant fiber.

The invention belongs to the field of textile machinery, and particularly discloses a grass impurity removing machine for wool. The grass impurity removing machine for the wool comprises a feeding mechanism, a first grass impurity removing mechanism, a first transferring roll, a loosening mechanism, a second transferring roll, a second grass impurity removing mechanism, a doffer and a stripping mechanism which are sequentially arranged from back to front. Primary clearing is performed on grass impurities mixed in the sheep wool through the first grass impurity removing mechanism, the sheep wool is transferred to the loosening mechanism through the first transferring roll, combing and loosening are performed on the sheep wool which is transferred by the first transferring roll through the loosening mechanism, the sheep wool is transferred to the second grass impurity removing mechanism through the second transferring roll, secondary clearing is performed on the grass impurities mixed in the sheep wool through the second grass impurity removing mechanism, and finally the sheep wool is condensed into a net through a doffer and then stripped into a fallen wool box through the stripping mechanism to be used in the next process. Through the processes of primary grass impurity removing, transferring and weed throwing, combing and loosening, transferring and weed throwing and secondary grass impurity removing, the impurities mixed in the sheep wool are effectively reduced, and the machine is beneficial for meeting the requirements of the next combing process.

The invention discloses a sheep leather acid swelling treatment method. The method comprises a step of acid swelling and a step of de-swelling, wherein the acid swelling is carried out in an acidic swelling liquid, and the swelling is uniform and appropriate without hair dropping or excess leather loss; and the de-swelling is carried out in a de-swelling liquid, the de-swelling effect is very good, and a state before swelling can be completely recovered. Collagen fibers can be effectively loosened and elastic fibers and muscle tissues are digested to a certain degree through the acid swelling treatment. Compared with fur prepared through routine methods, fur prepared through the method disclosed in the invention has the advantages of obviously improved softness and fullness, elasticity, nearly 3-time improvement of the tensile strength, 20% reduction of the unit mass, obviously improved shrinkage temperature, and elimination of the sheep fur layering phenomenon. All the performance indexes of finished sheep fur accord with the Light Industry Standard of the PRC (QB / T1280-1991), and the finished sheep fur also has the characteristics of thinness, lightness, and softness.

The invention discloses a molecular marker primer pair capable of predicting and identifying the natural length of sheep and wool and application thereof, wherein the pair of primers is shown in sequence lists Seq ID No. 1 and Seq ID No. 2. The primer pairs were designed and the sheep genomic DNA was extracted for amplification, and then digested with enzyme to obtain digested products. Enzyme digestion product electrophoresis separation, according to the electrophoresis separation result carries on the genotype determination; The results showed that the natural wool length of GG genotype population was significantly higher than that of AA genotype and GA genotype population. Finally, the ewes with GG genotype were selected as breeding population. The invention can predict and identify thenatural length of sheep wool, provides a more effective molecular marker method for improving the quality traits of sheep wool, and is applied to the field of screening sheep molecular assisted breeding with long natural length of wool fiber. The invention is simple in operation and low in cost.

The invention discloses a multifunctional composite fabric for male clothes. The fabric comprises a flame-retardant protection fabric layer as a surface layer, a heat insulation layer as a middle layer and a close-fitting comfortable fabric layer as an inner layer, wherein both the flame-retardant protection fabric layer and the close-fitting comfortable fabric layer adopt net-shaped structures formed by weaving warps and wefts; the warps of the flame-retardant protection fabric layer are made from aramid fibers, and the wefts of the flame-retardant protection fabric layer are made from calcium alginate fibers; the heat insulation layer adopts an aerogel felt; the warps of the close-fitting comfortable fabric layer are made from sheep wool fibers, and the wefts of the close-fitting comfortable fabric layer are made from lyocell fibers. The fabric is formed by compounding three layers of structures, has the characteristics of high flame retardancy, wear resistance, high heat insulation property, good close-fitting effect, comfortableness, moisture absorption and dryness, and is high in practicality.

The invention discloses collar fabric. The collar fabric comprises a fabric body and is characterized in that a plurality of concave-convex structures are arranged on the fabric body and integrally embedded in the plane where the fabric body is located; animal wool fiber is spread on the concave-convex structures and uniformly distributed and fixed on the concave-convex structures. Preferably, seven concave-convex structures are arranged, and the animal wool fiber is sheep wool or rabbit wool. The collar fabric has a layering sense and has heat-retention and windproof functions; the concave-convex structures of the fabric improve the stereoscopic impression of the collar fabric, and the heat retention property of the collar fabric is improved through the animal wool fiber arranged at backs of the fabric body and the concave-convex structures.

The invention discloses a practical, environment-friendly and comfortable blending fiber comprising man-made spider fibers, mulberry silk fibers, sheep wool fibers and seashell pearl fibers. The components of the practical, environment-friendly and comfortable blending fiber are formed according to weight by percentages: the man-made spider fibers of 15% to 18%, the mulberry silk fibers of 19% to 22%, the sheep wool fibers of 40% to 49% and the seashell pearl fibers of 17% to 20%. The blending fiber is weaved by various fibers in a blending way, thereby being characterized by great elasticity, great warming property, humidity absorption, ventilation, softness, comfortableness, health-caring property and environment friendliness as well as free of pollution.

The invention discloses a duplex blended weaving animal fiber yarn, which is formed by first blending yarns, second blending yarns and third blending yarns through blending weaving, wherein the first blending yarns are formed by sheep wool fiber and goat wool fiber through blending weaving, the second blending yarns are formed by camel wool fiber and Angora rabbit wool fiber through blending weaving, the third blending yarns are formed by llama wool yarn fiber and mulberry silk fiber through blending weaving, the weight percentage of the first blending yarns in the duplex blended weaving animal fiber yarn is 52 to 60 percent, the weight percentage of the second blending yarns in the duplex blended weaving animal fiber yarn is 16 to 20 percent, and the weight percentage of the third blending yarns in the duplex blended weaving animal fiber yarn is 24 to 28 percent. The duplex blended weaving animal fiber yarn is woven through duplex blending, the woven yarn has tight and compact texture and has the special skin moistening health care effect of natural protein, the yarns are soft and are elastic, the heat insulation performance is good, the moisture absorption capability is high, and the ventilation performance is good.