14 results about "Fast Growth Rate" patented technology

The invention discloses an Akkermansia massiliensis LTA21F2 strain and an application of the Akkermansia massiliensis LTA21F2 strain, and belongs to the technical field of microorganisms. The strain is preserved in the Guangdong Microbial Culture Collection Center on December 04, 2022, the preservation address is the 5th floor of the building 59, No.100 Courtyard, Xianlie Middle Road, Guangzhou, and the preservation number is GDMCC No: 63035. The Akkermansia massiliensis anaerobic fermentation bacterial liquid provided by the invention is high in viable count and strong in oxygen tolerance, still has a survival rate of more than 90% after being exposed in air for 12 hours, the viable count in a sample is increased by 25.26% after being stressed by 1.5 M H2O2 for 2 hours, and the strain has a section of characteristic sequence which can be used as a specific molecular marker, and has the characteristics of high growth rate, high viable count and the like when being subjected to enlarged culture in a 200L fermentation tank.

The present invention relates to the technical field of aquaculture and breeding of seawater fishes, in particular to an industrialized cultivation method for cephalopholis sonnerati fry, comprising the steps of successively subjecting parent fishes of cephalopholis sonnerati to feed domestication and nutrient enrichment at a water temperature of 25-29°C and under a flowing water condition, so as to obtain parent fishes with fully developed gonads, etc. The present invention takes strict measures for fry quality control and infectious disease prevention and control during industrialized workshop cultivation, so as to effectively optimize the growth conditions of fry, thus increasing the growth rate and improves the health conditions and adaptability of fry while reducing the risk of diseases. By means of standardized breeding management and technical means, the growth environment and feeding management of fry can be controlled, thus effectively improving production efficiency. The cultivated cephalopholis sonnerati has the advantages of fast growth rate, high disease resistance, strong vigor, tender and delicious flesh and good market prospects.

A new and distinct cultivar of Chionanthus retusus tree named ‘CRMTF’ is disclosed, characterized by a fast growth rate, prolific white flowers and dark green foliage. The new variety is easily propagated by softwood cuttings. The new variety is a Chionanthus tree, typically used for landscapes and gardens.

The application belongs to the technical field of biological manufacturing, and relates to a kind of high-yield beta-1,3-glucan fine euglena (Euglena gracilis) strain ZC-1007 and its preparation method. Euglena gracilis ​ The preservation number of the strain ZC-1007 is GDMCC No.66479. The strain has high biomass density, fast growth rate and high yield of beta-1,3-glucan under light mixed culture conditions. The preparation method of the strain includes optimization of culture conditions and high-efficiency screening. Through specific culture medium and environmental control, the high-yield beta-1,3-glucan euglena strain ZC-1007 is obtained. The strain has good application prospect in the efficient preparation of functional component beta-1,3-glucan.

The present application relates to the field of microbial technology, and discloses a spore-producing Metarhizium anisopliae strain and its application in the prevention and treatment of western flower thrips. The Metarhizium anisopliae provided by the present application has a preservation number of CCTCC No. M 20252118, a fast growth rate, a large spore yield, a high spore germination rate, and is easy to be cultured and multiplied in large quantities indoors. The present application can be used as a biocontrol fungus for preventing and treating the invasive agricultural pest western flower thrips, has strong pathogenicity to the western flower thrips nymphs, is safe to the environment, is not easy to make the pests resistant, and has application value.

This invention relates to the field of edible fungi technology, providing a method for breeding enoki mushrooms. The method includes: collecting enoki mushroom strain samples from different regions; conducting morphological observations on the collected strains; culturing the strains on standard culture media; testing the strains' resistance to diseases and pests; selecting strains with fast growth rates, high bioconversion rates, and strong resistance to diseases and pests for hybridization; screening the hybrid offspring to select individuals with round caps, straight stems, and pure white color; purifying the selected individuals through self-pollination; and expanding the cultivation of the finally selected superior strains for wider application and promotion. Through precise control of environmental parameters and strict selection criteria, enoki mushroom varieties with superior traits can be bred more efficiently and accurately, resulting in significant improvements in growth rate, morphological quality, and stress resistance.

The invention relates to a three-way hybrid grouper new germplasm cultivation method, and belongs to the technical field of grouper genetic breeding. According to the method, epinephelus moara and golden tiger hybridized fries (female epinephelus fuscoguttatus * male epinephelus coioides) are used as breeding materials, three-way hybridization is carried out in a matching mode of female epinephelus moara * male epinephelus coioides, and breeding of three epinephelus genetic species and fry with excellent characteristics is achieved. The method comprises the steps of parent selection, parent fish reproduction regulation and control, parent fish spawning induction, gamete collection, artificial insemination, incubation and fry rearing. According to the method, on the basis of reproductive regulation and crossbreeding technologies, time and space reproductive isolation of the groupers is broken through, and the new grouper germplasm which is high in survival rate, low in malformation rate and high in growth speed is cultivated.

This invention discloses an artificial breeding method for yellow catfish, relating to the field of animal husbandry technology. The breeding method includes: (1) artificially hybridizing yellow catfish and long-snout catfish as parents to obtain a binary hybrid fish; (2) artificially hybridizing the binary hybrid fish and yellow catfish as parents to obtain a ternary hybrid yellow catfish. The breeding method of this invention, through specific selection and matching of hybrid parents, enables the excellent genetic resources of the three parents to be inherited synchronously and stably during the ternary hybridization process, thereby stably obtaining a new fish variety with fast growth rate, good stress resistance, high fish meat quality and good disease resistance, which is of great significance for ensuring the long-term supply of high-quality aquatic products and promoting the high-quality development of fisheries.

The invention relates to a denitrifying phosphorus-accumulating bacterium with a plant growth promoting function as well as a culture method and application of the denitrifying phosphorus-accumulating bacterium. The strain is (Pseudomonas sp.) DWP1; the preservation unit is CGMCC (China General Microbiological Culture Collection Center); the preservation number is CGMCC (China General Microbiological Culture Collection Center The strain has the advantages that the strain is high in growth speed and wide in strain carbon source utilization range, and the removal rate of NO3 <->-N in most carbon sources which can be utilized by the strain reaches 95% or above; according to the present invention, the rapid propagation of the strain is achieved under the outdoor condition, the optimal nutrient concentration of KNO3 is 1.9 g / L, the optimal nutrient concentration of sodium citrate is 2.7 g / L, and the optimal nutrient concentration of KH2PO4 is 0.58 g / L, only trace elements are required to be added, aeration is not required, the OD600 of the bacterial liquid of the strain under the concentration within 36 h can achieve 0.6, the nitrate nitrogen removal rate can achieve 98%, the TOC removal rate can achieve 100%, and the sulfate radical removal rate can achieve 66%; the strain can also be used as a plant growth-promoting bacterium to promote the growth of an aquatic plant duckweed and cooperate with plants to jointly purify a water body.

The application discloses a kind of for sheep MSTN And SOCS2 The sgRNA of gene cytosine base editing and application thereof, the sgRNA includes nucleotide such as any one or several of SEQ ID NO.1~4.This application is respectively designed sgRNA guide sequence for sheep MSTN And SOCS2 Gene, introduce stop codon in target site using CBE system, select sgRNA guide sequence and its combination from which can efficiently target sheep MSTN And SOCS2 Gene, carry out gene editing efficiency verification on cell, and successfully obtain MSTN And SOCS2 Double gene editing goat by prokaryotic embryo microinjection technology, and gene editing sheep shows muscle fiber thickening, and fast growth rate.This application establishes a set of efficient, precise double gene editing technology system, provides key breeding material and technical support for quickly cultivating muscle developed, fast growth meat sheep new variety.

The invention discloses an early-maturing white flammulina velutipes strain ZJJZG003 with high amino acid content and high brittleness, an InDel marker for identification and application of the strain, and relates to the technical field of edible mushroom breeding, and the preservation number is CGMCC NO.41175. The invention further discloses a preparation method of the strain. The edible mushroom is classified and named as Flammulina filiformis, and the edible mushroom is named as Flammulina filiformis. The strain is obtained by hybridizing F24 and W1 as parents and has a relatively high growth speed, the growth speed of hyphae cultured at 30 DEG C is 5.63 mm / d, the growth speed of hyphae cultured at 25 DEG C is 4.75 mm / d far higher than the growth speed of the parents, and meanwhile, the appearance time of primordium is shortened.

This invention discloses a SNP molecular marker linked to a major QTL locus related to the weight trait of grass carp and its application. This SNP molecular marker is located at base 13,428,777 on chromosome 24 of grass carp, where polymorphisms of both A and G alleles are observed. The SNP molecular marker screened in this invention is closely related to the major QTL locus of grass carp weight trait and plays an important role in the regulation of grass carp weight. When the genotype of this SNP molecular marker is AA, the average weight and average body length of grass carp are higher than those of individuals with genotypes AG and GG. Therefore, this SNP molecular marker can be used to assist in the selection of grass carp breeding, especially in the selection of grass carp strains with fast growth rates, and has broad application prospects.

The present application relates to the field of aquaculture technology, and more particularly to a long filament schizothorax artificial breeding method, which comprises the following steps: (1) temporarily raising the captured wild long filament schizothorax in an ecological simulation pool, and then transferring the long filament schizothorax into a special breeding pool for intensive cultivation; (2) selecting parent fish and injecting oxytocin; (3) artificially inseminating the female fish about to give birth, and then putting the parent fish into a postpartum cultivation pool for postpartum cultivation, hatching long filament schizothorax fertilized eggs, and obtaining long filament schizothorax fry; and (4) primary cultivation of the long filament schizothorax fry until the body length is greater than 2 cm. The present application includes the processes of oxytocin injection, spawning, insemination, hatching and cultivation of fry of long filament schizothorax, has a high hatching rate of fertilized eggs, and fast growth rate of fry, and provides a technical basis for artificial breeding of long filament schizothorax.

The invention relates to the technical field of microorganisms, and particularly discloses a spore-producing metarhizium gossypii strain and application thereof in prevention and treatment of Frankliniella occidentalis. The preservation number of the metarhizium gossypii provided by the invention is CCTCC No.M 20252118, and the metarhizium gossypii is high in growth rate, large in sporulation quantity, high in spore germination rate and easy to culture and breed in a large scale indoors. The bacillus subtilis can be used for preventing and treating biocontrol fungi of agricultural alien invasive pest Frankliniella occidentalis, has the characteristics of strong pathogenicity to Frankliniella occidentalis nymphs, safety to the environment and low possibility of causing drug resistance of pests, and has application value.