32 results about "Breed type" patented technology

The invention provides a method for cultivating a novel Dingyuan pig breed, which relates to a method for cultivating a novel pig breed. The invention provides the method for cultivating the novel Dingyuan pig breed which has the advantages high fecundity, good meat quality and strong stress resistance of Dingyuan pigs as well as the characteristics of fast growth, high lean meat percentage and the like of imported pigs. The method comprises the following steps: a Dingyuan sow is hybridized with a novel USA strain Duroc boar to cultivate a first generation sow core group; second grading hybridization is performed to the first generation sow core group and a Dingyuan boar or the novel USA strain Duroc boar; from the third generation, group closure propagation and breeding are adopted respectively, and crossing of two to three generations is performed; and selection and remaining are performed through methods of comprehensive selection indexes and molecule marking assistance selection to form the novel Dingyuan pig breed, namely a novel breed of Wan Huai pigs and a novel breed of Dingyuan-Duroc pigs.

The invention discloses a breeding method of bilinear wheat hybrid taking blue granule as mark property. The method firstly establishes original bilinear system, then establishes breeding method for new bilinear, and at last prepares hybrid combination to sift dominant combination for production. The invention provides a new way for using wheat hybrid advantage, reduces effectively the cost for hybrid breeding and producing and possesses wide application prospect. The breeding of sterile line will not be lagged behind from that of normal breed when producing hybrid by this invention; the fruit got from bilinear auto-copulation is normal and the breeding coefficient of sterile is large; the fruit of hybrid of sterile line with arbitrary good wheat strain is normal; the good cytoplasm of out source can be replanted into sterile line to improve hybrid advantage; there is no bad influence in the sterile gene and 4thS.4AgL additive displacement colorant layer.

The invention discloses a breeding method of a new meat-type strain of small tailed han sheep. The small tailed han sheep are used as female parents, and white head Suffolk sheep are used as male parents for introductive hybridization to produce a second generation sheep flock to obtain a Sahan second generation sheep flock; then, first generation Duhan sheep produced by hybridizing white head Dorper sheep varieties with the small tailed han sheep are used as female patients; Australian white sheep are used as terminal male parents for producing Aoduhan second generation through hybridization; then, the sahan second generation female sheep are hybridized with the Aoduhan second generation male sheep to produce Saduaohan new strains; finally, through optimization combination and cross hybridization fixation, the new strain of meat-type small tailed han sheep is obtained through breeding. The obtained new strain has the advantages that the growth and development speed is high; both the meat and milk purposes can be achieved; the body shape is good; the hair in the whole body is white; the applicability is high; the polyembryony property of the small tailed han sheep is realized; the lambing percentage of the female sheep is 200 percent or above; the body weight of the adult male sheep reaches 100kg or higher; the body weight of the adult female sheep reaches 70kg or higher.

The present invention relates to a method for the optimization of the fish variety, in particular to a method for the optimization of the carp variety, which resolves the problems that the inbreeding rate is high in the prior carp breeding cultivation and the intraspecific hybridization cultivation, thereby leading to the genetic degradation of the group and the decrease of the economic character and the production performance. The breeding procedures are: 1. performing the phenotypic character selection; 2. detecting the genetic information of the parent strain; 3. performing the reproduction grouping according to the genetic information; 4. the parent strains in each of the breeding group are free to mate with each other to get an optimized carp variety. The method of the present invention can avoid the inbreeding, so the variety can be optimized and the economic character and the production performance of the carps are obviously improved.

The invention relates to a method for culturing super fine ground-cover chrysanthemum by using shennong Chrysanthemum Idicum L. It comprises following steps: employing shennong Chrysanthemum Idicum L and ground-cover chrysanthemum 'pudijin'as parent material for hybridization, separating bud with plastic bag when bud grows out, collecting pollen at full-bloom stage, storing at dry condition. Cutting the outside petal when the stamen in the first and second cycle discharges pollen, when the pistil stigma forms into V shape and the excretion appears, pollinating pollen of male parent and mentor pollen into stigma of female parent at 10: 00- 11: 00 in sunny morning; picking seed when it turns pitchy 45-60 days after pollination, and storing at dry condition; selecting hybrid in the next spring sowing, analyzing fragrant element in female and male parent material and hybrid flower, and selecting super fine ground-cover chrysanthemum variety. The new variety is characterized by fine scent, strong resistance, abundant flower, central blooming period, short or creeping plant, easy management and suitability for culture in the open.

The invention relates to a gene matching, double-excellence combination and system circulation breeding method for a dwarf and yellow-stalk Chinese pumpkin, which belongs to the field of breeding methods of agricultural plant new species. male parent and female parent strains, signs, capital and lower-case figures and attributes are combined into eight groups according to a yin and yang matching principle of the book of changes and the odd and even attributes to carry out permutation and combination; eight self-bred lines exactly form four pairs of combinations with relative characteristics and colors and meet an even system of dwarf to sprawl, a yellow-stalk to a green stalk and female and male matching to carry out the operation of hybridized combination; and the bred new species contains general flavone so that the bred species has the functions of dwarf, yellow stalk, high quality, high yield, prematurity, specificity and disease resistance, thereby opening medicament preparation or health food preparation by the pumpkin and creating great economic benefit for society.

The invention belongs to the technical field of breeding of vertebrates, and discloses a breeding method for fine breeds of meat pigeons. When a primary meat pigeon breeder introduces breeds, the primary meat pigeon breeder purchases breeding pigeons and selects the breeding pigeons from the aspects of variety, appearance, body weight and age. The primary meat pigeon breeder selects and purchasesthe paired breeding pigeons which are 5-6 months old; the breeding pigeons are conveyed, and 3-5 days before conveying is started, 0.2% trichlorfon water is applied for a bath; a site is selected, planning and layout of various buildings are conducted according to the size and terrain of the site, a pigeon house is newly established, and the closed or semi-open or open type of the pigeon house isselected according to local climatic conditions, wherein lighting and ventilation are good; a mating method for the meat pigeons is a manual method; various kinds of feed are selected as meat pigeon cooperation feed, the amount and proportion of the feed are determined, and the quantities of various provided nutrients are basically in accordance with those specified in Reference Breeding Standards.

The invention discloses a breeding type experiment planting base. The breeding type experiment planting base comprises an experiment frame; a plurality of inserting grooves are formed in the upper side of the experiment frame; first experiment planting basins and a second experiment planting basin are inserted into the inserting grooves; each first experiment planting basin comprises a basin bodyand each basin body is internally provided with one group of coarse gauze and one layer of a filtering membrane; the second experiment planting basin comprises four first experiment planting basins; the four first experiment planting basins are divided into two rows; the two rows of first experiment planting basins are arranged in parallel; a square framework is arranged on the four first experiment planting basins; a round ring is arranged in the square framework; the square framework is fixedly connected with the round ring through one group of connecting rods. The breeding type experiment planting base disclosed by the invention has the advantages that the breeding type experiment planting base can be used for detecting the influences, caused by nutrient substances, on the survival rateof seed sprouting, and judging important nutrient substances needed by the growth of plants; the device is simple in structure and is recommended to be popularized and applied.

The invention relates to the field of livestock breeding, in particular to a breeding and breeding layout structure of green goats. The layout structure of the present invention is a fully enclosed structure. From the outside to the inside, there are ring water ditches, green isolation belts, and roads. The roads are provided with feed storage rooms, silage pools, sheep sheds, and isolation pools from south to north. , the sheep house and the isolation pool are distributed alternately, the west side of the feed storage room is provided with a product collection and transportation field, and the east side is provided with a batching field and a goat activity field. The blue goat breeding and breeding layout structure of the present invention upgrades the original, extensive, backward, and small-scale breeding to large-scale, scientific, and intensive breeding. The standardized, large-scale and industrialized breeding and breeding of goats in large-scale sheep farms will set up a demonstration model for better protection and utilization of green goat breeds.

The invention relates to a method for cultivating bolting-resistant cabbage varieties. The method comprises the following steps: combining inbred line breeding conditions suitable for a bolting environment under ecological conditions of northern cold regions, respectively taking Japanese varieties and European varieties as parent sources, and screening to obtain two groups of inbred lines with advantages of being early-maturing, cold-resistant and resistant to premature bolting as parents; identifying horticultural characteristics of the two groups of parents, configuring combinations of the two groups of parents, setting all the combinations as reciprocal cross, performing grey relational degree evaluation by a grey system theory, taking a combination with the highest grey relational degree as a selected combination, cultivating a self-incompatible line corresponding to parents involved by the selected combination, configuring the selected combination, and inspecting phenotypic expression of the combination, thereby obtaining the bolting-resistant cabbage varieties. The method disclosed by the invention has the advantages that two parents having a long genetic distance serve as the parent source, high-pressure screening is performed under the ecological conditions of northern cold regions, and the bolting-resistant cabbage varieties are objectively and effectively bred by utilizing grey evaluation.

The invention discloses a special breeding method for a two-rowed and multi-rowed hybridization offspring of barley, and the method comprises the following steps: 1) after the two-rowed and multi-rowed hybridization of the barley, a multi-rowed single plant is selected whether F2 generation single plant is good or bad, and after 3 to 4 years of additive generations, a stable strain is selected; and 2) the good stable strain and a good multi-rowed variety are used for second round of improvement, and then third round of improvement is repeated until the two-rowed and multi-rowed hybridization offspring is selected. The method belongs to the technical field of plant breeding, overcomes the conventional technical prejudice, adopts an inverse conventional method, selects a multi-rowed type, and eliminates a two-rowed type. Moreover, the final selected multi-rowed type is also a type which is eliminated by ordinary people. The method uses the existing eliminated type and the better multi-rowed variety or resource for hybridization and improvement to select a historical-breakthrough new beer barley variety (agricultural reclamation beer barley 15), and the method is original in both domestic and foreign, and is unique.

The invention relates to a cockscomb-droop-free high-quality chicken breeding method comprises the following steps: taking local chicken varieties as breeding materials; carrying out four times of breeding according to the breeder selection parameter indexes of male and female chickens to establish a family, wherein the cockscomb base thickness is a key breeder selection parameter; after the family is established, breeding the non-inbred male and female chickens in the family to breed the next generation of chickens; and repeating the previous process of breeding the next generation of chickens for at least three generations to obtain the cockscomb-droop-free high-quality chickens. The method is simple in operation, excellent in breeding effect and easy to popularize, makes results accurate, and the cockscomb-droop proportion of chickens is zero after breeding for more than three generations. In addition, when the chickens undergo cockscomb-droop improvement, and the breeding of othercharacters is not neglected, so that the comprehensive performance of the products is improved, and the market competitiveness is better.

The invention discloses a cabbage type rape three-way cross hybrid breeding method. According to the method, existing cabbage type rape varieties, sensitive to chemical hybridization agents, of non-sterile lines and non-sterile line hybrids serve as female parents, various kinds of existing hybrids or new hybrids with good properties are selected as male parents, the female parents are subjected to hybridization treatment, so that the female parents are highly male sterile and hybridized with the male parents, and accordingly existing hybridization advantages are achieved; a combination higher in advantage is selected through free parent selection and multi-parent advantage complementation, it can be ensured that no risks are caused during hybrid production, sources of good properties are widened, and it is guaranteed that rape variety breeding is safe, convenient, efficient and high in yield.

The invention discloses a breeding boar selection method, which comprises the following steps: according to the actual condition of a farm, a breeding boar introduction plan is made, and the variety,weight and quantity of introduced breeding boars are determined; preparation work before breeding boar introduction is fully done, including knowing about epidemic situation, investigating and choosing a target pig breeding farm and observing the local environment; a farm, the breeding boar semen quality of which is checked, is chosen; and breeding boars, the body shape and appearance of which meet the male characteristics of the variety, which develop well, the three-generation pedigree of which is clear and which can produce a considerable quantity of piglets with matching sows, are selected. Compared with the prior art, the selection method disclosed by the invention has the following beneficial effects: breeding boars, the performance and body shape of which are better and which can better meet the requirement of the market, are introduced, more living pigs with higher quality can be produced, and the economic benefit of pig raising is increased.