210 results about "Semen collection" patented technology

A method and device to conform with the glans penis to recover ejaculated semen completely, to prevent the loss of initial sperm rich epididymal fractions, to avoid the use of a condom for masturbation, to eliminate the multi-step transfers of semen following ejaculation that are common with current methods, and to provide a single device that contains a semen collecting chamber that fits onto a glans penis. The device provides a storage and measuring reservoir, an optional cap, and a vertical stand in one integrally formed module in a sterile pack. The device and method will have multiple uses in a variety of contexts including, but not limited thereto: in the diagnosis of infertility, in semen donation, in vitro fertilization (IVF) / intra-cytoplasmic sperm injection (ICSI) clinics, hospitals, forensic laboratories and research laboratories and will be included in kits intended for over-the-counter sperm testing devices

A male masturbation device and method for using same facilitates orgasm without the necessity of the subject achieving an erection. The novel device comprises a housing (14) and accumulator means (12). The accumulator means maintains a consistent modest vacuum within the housing notwithstanding sliding of the penis within the housing. The accumulator means can be integrated with the housing or detached from but in fluid communication with the housing. The device may be used with or without a partner and its use may be augmented by sensory stimulation contrivances. The novel device and method offers the health and recreational benefits of orgasm, and facilitates semen collection, for individuals suffering ED, without resort to drugs or vacuum erection devices. The novel device takes advantage of the fact that an erection is not required for orgasm, however, users may experience an erection prior to ejaculation.

The invention relates to a totally artificial breeding method for Coilia ectenes, belonging to the technical field of fish culture. The method is characterized by comprising the following process steps of parent fish source; parent fish select breeding comprising standing / flowing water combined reinforced breeding; artificial induced spawning measure comprising parent fish selection, semen collection, dug roe inspection, induced spawning water temperature confirmation, parent fish matching, hormone injection, artificial insemination and the like; microflow water incubating; and summer flower and fish fry breeding. The invention promotes the parent fish sex gland to grow to maturity and ovulate by measures of reinforcing parent fish nutrition reinforced breeding, feeding hormone, flowing water stimulating and regulating and the like and normalizes the artificial induced spawning and insemination process, originally creates a simple flowing water incubating device of a pelagic egg and reinforces the management and ecological regulation of incubation period, thereby effectively solving the technical problems of artificially breeding Coilia ectenes. The induced spawning rate of artificial breeding is 33 percent, the fertilization rate is 48 percent and the hatching rate is 44 percent.

A method for collecting and preserving semen of various animals including humans, canines, porcines, bovines, ovines and others involves collecting the semen into a collection vessel where the collection vessel is provided with an extender solution for the semen prior to its collection. Moreover, the extended is preferably maintained at a temperature close to normal body temperature of the species being collected over the time period of its collection. The extender is chosen to buffer the pH of the semen sample and to be isotonic with the semen. The volume of the extender in the collection vessel is preferably chosen such that the semen volume is initially diluted with twice its volume extender solution and some period thereafter the extended semen sample is diluted again at the same ratio. Collection into warmed extender media lessened the cold and pH shock to the spermatozoa, as shown by improved semen parameters. The extender solution is preferably rich in calcium ion. A collection vessel resembling an inverted Y is used for collecting distinct semen samples for comparative study.

The invention belongs to the technical field of fish reproduction and relates to a method for ultralow-temperature cryopreservation of semen of siniperca scherzeri and artificial insemination in crossbreeding, which can be widely applied in culture of siniperca chuatsi in families and groups, especially large-scale culture and reproduction. The method comprises the steps of semen collection, diluent preparation, semen dilution, semen freezing, semen unfreezing, artificial insemination and the like. In the artificial insemination, as the optimum ratio of frozen sperms to fresh spawn is determined to be 1000000:1 by different experiments about sperm-spawn ratio. In the invention, the requirement for equipment is low, the operation is easy to realize, the method can be used for common fish reproduction fields, can realize storage of siniperca scherzeri resources, solves the problem of asynchronous growth of gonads of the siniperca chuatsi and the siniperca scherzeri in crossbreeding of siniperca, and increases the utilization ratio of the sperms of the siniperca scherzeri, and in the reproduction process, the sperm-spawn ratio can be flexibly adjusted according to the breeding requirements, the production need and the amount of parent fishes.

The invention discloses normal-temperature and low-temperature preservation diluents of milk goat seminal fluid. Each normal-temperature and low-temperature preservation diluent comprises the following main ingredients: tris(hydroxymethyl)aminomethane, citric acid, fructose, mycose, vitamin C, bovine serum albumin, reduced glutathione, triphosadenine and compound antibiotics, and specifically, the low-temperature preservation diluent contains yolk. The normal-temperature and low-temperature preservation diluents provided by the invention can store the seminal fluid in a liquid state effectively for a short time so as to meet the artificial insemination requirement, solve the problems of short storage time limit after semen collection in a male animal station and long transportation distance between semen collection points and semen transportation points, and improve the storage quality and time effectiveness of fresh semen, thereby improving the excellent breeding animal utilization ratio and acquiring a high conception rate; meanwhile, preparation methods of the diluents are simple, the operation is simple, and the diluents are low in production cost and convenient for popularization and application on a large scale.

A male masturbation device and method for using same facilitates orgasm without the necessity of the subject achieving an erection. The novel device comprises a housing (14) and accumulator means (12). The accumulator means maintains a consistent modest vacuum within the housing notwithstanding sliding of the penis within the housing. The accumulator means can be integrated with the housing or detached from but in fluid communication with the housing. The device may be used with or without a partner and its use may be augmented by sensory stimulation contrivances. The novel device and method offers the health and recreational benefits of orgasm, and facilitates semen collection, for individuals suffering ED, without resort to drugs or vacuum erection devices. The novel device takes advantage of the fact that an erection is not required for orgasm, however, users may experience an erection prior to ejaculation.

The invention provides a little yellow croaker female fish and large yellow croaker male fish crossbreeding method, and belongs to the technical field of aquaculture seawater fish larval breeding. The method comprises the following steps of 1, parent selection and culture; 2, artificial hasten parturition and insemination: a, artificial hasten parturition; b, artificial egg extrusion and semen collection; c, artificial dry process and insemination; d, egg washing; 3, larval breeding management; 4, larva and young fish culture. The method has the advantages that the little yellow croaker and large yellow croaker crossbreeding is performed; new varieties with high growth speed and excellent quality can be cultured; in addition, the fertility rate of the new varieties can reach 65 percent or higher; the hatching rate reaches 92 percent or higher; important application values are realized on the production; the health development of the aquaculture industry in China is promoted.

The invention discloses a bee breeding artificial insemination culturing method, comprising the following steps: (1) male bee culturing: culturing fine-quality bee breeding by using excellent bee breeding, and culturing a virgin queen before sexual maturity of male bees; (2) semen collection: preparing a semen diluent, placing in a bottle, sterilizing in high temperature, placing the semen diluentin a collection pipe of a semen collector, scraping the semen and mucus of the male bees to the diluent by a sterilized glass rod, and placing the collector into a centrifuge tube of a centrifuge forcentrifugation so as to separate semen when enough semen is rinsed in the diluent; and (3) insemination: selecting the virgin queen of sexual maturity, placing in an anesthetic room, carrying out artificial insemination when the virgin queen is in a comatose state, and removing narcosis after insemination. The swarm cultured by the method in the invention is improved in the aspects of collectionability, disease resistance, stress resistance, oviposition rate, bee milk yield and the like, and the collected royal jelly and pollen yield are enhanced.

A method and device to conform with the glans penis to recover ejaculated semen completely, to prevent the loss of initial sperm rich epididymal fractions, to avoid the use of a condom for masturbation, to eliminate the multi-step transfers of semen following ejaculation that are common with current methods, and to provide a single device that contains a semen collecting chamber that fits onto a glans penis. The device provides a storage and measuring reservoir, an optional cap, and a vertical stand in one integrally formed module in a sterile pack. The device and method will have multiple uses in a variety of contexts including, but not limited thereto: in the diagnosis of infertility, in semen donation, in vitro fertilization (IVF) / intra-cytoplasmic sperm injection (ICSI) clinics, hospitals, forensic laboratories and research laboratories and will be included in kits intended for over-the-counter sperm testing devices.

A kit used for quickly diagnosing concentration of semen consists of semen collection box, cell-stain liquid and test plate. It is featured as forming said semen collection box by plastic collection box and semen liquefier; forming said test plate by shell and base plate including water absorption paper, filtering film and standard color code; arranging two holes of test hole and comparison hole at center of shell.

The invention relates to a Chinese herbal medicine additive used for improving breeding ram reproductive performance. The invention aims at solving problems of Cashmere goat breeding ram low ejaculation volume, insufficient sperm motility rate, insufficient sperm density, and the like caused by high semen collection frequency. The additive is prepared from the Chinese herbal medicines of, by weight, according to a total weight as a standard, 25% of epimedium, 12.5% ??of desertliving cistanche herb, 12.5% ??of dodder, 12.5% ??of medlar, 12.5% of medicinal morinda root, 12.5% ??of mongolian milkvetch root, and 12.5% ??of stir-fried malt. With the additive provided by the invention, functions such as ejaculation volume increasing, sperm density increasing, gonad protecting, sexuality strengthening, male hormone activating, reproductive function promoting, and physical health maintaining are provided for breeding rams.

The invention discloses a method for artificial reproduction of brachymystax lenok tsinlingensis. The method for artificial reproduction of the brachymystax lenok tsinlingensis comprises the steps that (A) mature and highly active brachymystax lenok tsinlingensis is selected to serve as a parent; (B) reinforced cultivation of the parent is conducted; (C) artificial spawning is conducted, wherein two dosages of artificial spawning medicine is injected into the parent for artificial spawning from the end of March to the middle of April; (D) semen collection is conducted manually, wherein the parent is bred in an artificial spawning pond after the artificial spawning medicine is injected into the parent, a water inlet pipe is erected at one end of the artificial spawning pond, and the abdomen of the brachymystax lenok tsinlingensis parent is pressed regularly so that semen collection can be achieved from the alive brachymystax lenok tsinlingensis parent; (E) artificial insemination is conducted, wherein after an ovum is rinsed with normal saline for fish is collected, seminal fluid of a milter is squeezed on the ovum, then mixing is conducted with a feather, andartificial insemination is conducted; (F) artificial incubation is conducted, wherein a fertilized ovum is washed with purified water and then is poured in an incubation groove for incubation, a porous dandruff comb is arranged on the bottom of the incubation groove, and when fry which can swim appears, the fry is moved out of an incubation device to be bred in a fish tank. The method for artificial reproduction of the brachymystax lenok tsinlingensis is easy to implement, operation is easy and convenient, the fertilization rate and the hatching rate are high, obtained fish offspring are healthy, the body sizes of the obtained fish offspring are even, the rate of survival is high, the utilization rate of fish bait is high, and the growing speed is high.

A male masturbation device and method for using same facilitates orgasm without the necessity of the subject achieving an erection. The novel device comprises a housing and accumulator means. The accumulator means maintains a consistent modest vacuum within the housing notwithstanding sliding of the penis within the housing. The accumulator means can be integrated with the housing or detached from but in fluid communication with the housing. The device may be used with or without a partner and its use may be augmented by sensory stimulation contrivances. The novel device and method offers the health and recreational benefits of orgasm, and facilitates semen collection, for individuals suffering ED, without resort to drugs or vacuum erection devices.The novel device takes advantage of the fact that an erection is not required for orgasm, however, users may experience an erection prior to ejaculation.

The invention discloses a nutrition health care extender for strengthening the boar reproductive performance. The gross amount is counted in 20 portions. The compositions by weight portion of the extender are: 1 to 2 portions of Saccharicterpenin, 1 to 3 portions of nanometer zinc oxide, 0.006 to 0.01 portion of chromium picolinate, 5 to 7 portions of arginine, 0.2 to 0.3 portion of beta carotene, 0.1 to 0.2 portion of vitamin E, 0.1 to 0.2 portion of vitamin A, 0.3 to 0.6 portion of vitamin C, 0.00003 to 0.00005 portion of vitamin B12, 0.004 to 0.006 portion of folic acid, 0.0003 to 0.0006 portion of biotin, 0.3 to 1 portion of L-Carnitine, the balance being glucose. The feeding test shows that the nutrition health care extender increases the semen collection amount of the boar, improves the semen quality, protects the health of the boar, and has the functions of improving the boar immunity of the organism, sterilizing and diminishing inflammation and protecting the reproductive system from being damaged, etc.

An apparatus for collection of semen comprises: i) a frame forming an elongate body; ii) a base supporting the body; iii) a tubular receptacle containing an artificial vagina having a rear end portion pivotally carried on opposite lateral sides within the body, and an inner end portion releasably carried within the body, so that when the inner end portion is released collected semen therein will drain downwardly to an inner end portion; and, iv) a recessed rear access door, said door having an inner side portion positioned adjacent to the opening in the rear end portion of the tubular receptacle and an outer side portion positioned within an interior peripheral top and lateral side portions of the rear entry end of the body, so that downward and lateral components of thrust load exerted by the horse are largely sustained by the frame of the body, and wherein said recessed and protected door also has an enlarged thickness to accommodate a funnel shaped opening in the exterior side portion thereof to guide the horse into a central opening therein. When the horse is able to independently guide himself the apparatus is substantially more convenient and safer to use.

The invention relates to methods for breeding and artificially fertilizing game chickens. The method for breeding the game chickens comprises the following steps: breeding hens: feeding a feed which is mainly prepared from beans, dried fruits, cereals and other materials to the hens at fixed time everyday between one week before egg laying and the end of egg laying, and feeding a feed which is prepared from cereals or cereals and other materials to the hens at fixed time everyday less frequently between the end of egg laying and one week before egg laying next time; and feeding cocks: feeding a feed which is mainly prepared from meat, eggs and other materials to the cocks at fixed time everyday. The method for artificially fertilizing the game chickens comprises the following steps: collecting sperms: collecting the sperms of the cocks by sperm collecting cups; diluting the sperm: adding a certain amount of normal saline into the sperm collecting cups: and injecting the sperms: sucking the sperms from the sperm collecting cups by a sperm injector, inserting the sperm injector into the fallopian tube channel of the hen at a depth of 1-1.5cm, and pressing the piston of the sperm injector so that the sperm are absorbed into the body of the hen by the vagina.

The invention relates to a technology for domesticating and breeding wild animals, in particular to a method for breeding a special wild chicken through artificial fertilization. The method is characterized by comprising the following steps of: selecting different subspecies of wild cocks to domesticate; carrying out artificial semen collection; selecting health domestic hens to carry out artificial fertilization on the health domestic hens and semen collected from the wild cocks so that the health domestic hens and the wild cocks are hybridized; and breeding the special wild chicken with genes combined by genes of the wild chicken and genes of the domestic chicken. The special wild chicken which are bred by using the method have the characteristics of the wild chicken, but is better than the wild chicken. The bred special wild chicken have the characteristics of high growth speed, high egg production, large size, testy meat, full nutriments and strong premonition.

The invention discloses a semi-quantitative sperm concentration rapid self-test kit, a prepration method and a using method thereof, the semi-quantitative sperm concentration rapid self-test kit comprises a sperm collection box, cell staining solution, physiological saline and a test board, wherein, the sperm collection box consists of a plastic collection box and a sperm liquefying agent, the test board comprises a housing and a substrate, a test hole and a control hole are formed in the center of the housing, water-absorbing paper, a filter membrane and a standard color unit are arranged onthe substrate, and the color of the standard color unit is the color of the test results of adding sperm samples with the concentration of 5 million, 10 million, 20 million, 30 million, 40 million, 60million, 80 million and 100 million / ml into the cell staining solution. The semi-quantitative sperm concentration rapid self-test kit has the advantages that the semi-quantitative sperm concentrationrapid self-test kit can rapidly and accurately detect the concentration of sperm and further diagnose whether a man can produce offspring or not, compared with the traditional diagnosis method, the semi-quantitative sperm concentration rapid self-test kit can save a lot of time, the use is simple, the semi-quantitative sperm concentration rapid self-test kit can be purchased at a pharmacy and used at home, thereby avoiding the feeling of shyness of a user.

The invention provides a portable digital display electric heating constant-temperature semen collection cup for foxes. The portable digital display electric heating constant-temperature semen collection cup comprises a semen collection cup body, a heating device and a power source controller. The outer surface of the lower end of the semen collection cup body is provided with a displayer, a temperature adjusting button, a power switch and a charging jack; the upper end of the semen collection cup body is provided with a gland which can be connected with the semen collection cup body and a sealing cover connected with the gland; the bottom end of the inside of the semen collection cup body is provided with a spring; the inner wall of the semen collection cup body is provided with a groove, in which a temperature sensor is arranged; the upper end of a semen collection tube is conical in shape (shaped as a reversed cone frustum) and a protruding edge extends outward horizontally from the top end; an opening o the inner side of the upper end of the semen collection cup body is an inclined surface (similar to a side wall of a hopper body) matching the upper end of the semen collection tube; the upper end of the semen collection cup body is provided with a sunken groove matching the protruding edge. The portable digital display electric heating constant-temperature semen collection cup is convenient to carry and enables semen to be kept in a proper constant-temperature state in semen collection and fresh semen transport processes.

The invention discloses a semen diluting method for artificial insemination in a breeding chicken farm, wherein the semen diluting method comprises chicken semen diluent preparing, sub-packaging and preserving technologies, as well as such systematic technologies matched with an existing industrial insemination technology as diluent unfreezing, carrying, preheating, quantitative adding, uniformly mixing, inseminating and the like. The method, which preheats a diluent in a mode of body temperature heating, not only solves the problem of the prior art that is complex to heat in a water bath at constant temperature before using the diluent but also achieves relatively precise isothermal dilution; the volume of a tube of the diluent is determined according to the volume and the dilution rate of a cup of semen which is collected during inseminating, so that one tube of the diluent corresponds to one cup of the semen and the problem of a complex operation of quantitative dilution in production is solved; and meanwhile, the method, which combines a thin film, a hand and a semen collector, skillfully achieves the integration of semen collection, dilution and uniformly mixing by one person without changing an existing working condition to the greatest extent, so that technical difficulties are reduced.

The invention provides a boar semen collection table and a semen collection method thereof. The boar semen collection table comprises a boar body, a bottom plate, a sound effect device, a rotary propand a lifting support column. Support legs are installed on the lower part of the boar body, the sound effect device is installed inside the boar body, the boar body is installed on the bottom plate through the rotary prop and the lifting support column, a soft wrap layer and a simulation layer are arranged on the outer wall of the boar body in sequence, and the outer wall of the front end of theboar body is sleeved with a soft wrap layer. Through simulation on the appearance of the semen collection table, a boar gets satisfied visually, through the induction of sound made by a sow in estrus,the boar induction time is shortened, the pleasant sensation of the boar in semen collection is improved, and the semen quality and quantity of the boar are improved; workers can collect semen conveniently through a lifting support.

The invention relates to the artificial propagation technology of SPF experimental hare, which comprises elements, such as breeding shed layout design, artificial insemination, semen collection and detection screening, inheritance purity family control technology, female hare aphrodisiac, concentrated breeding, full-in full-out feeding and the like; the hare shed layout is microcommunity and large scale; the semen collection and detection screening technology is used for preparing a semen product through processing semen by artificial collection technology training, quality detection, dilution with diluent and the like; the concentrated inheritance purity family control technology is used for accurately guiding works of breeding and matching by means of breeding software and field breeding family records to ensure that the inheritance background of each hare is clear so as to avoid inbreeding; the female hare aphrodisiac technology is used for making the female heat and ovulate in the same time through biology treatment method, hormone treatment method and environment stimulation method; the concentrated breeding technology refers to concentrated matching, concentrated farrowing, concentrated breeding and concentrated slaughtering on the basis of concentrated reproduction; and the full-in full-out technology refers to clearing, sterilizing and cleansing hare sheds regularly based on the concentrated breeding technology and the layout design of the hare shed to improve the sanitary level of the hare sheds; and by the invention, direct contact between the male hare and the female hare is avoided so as to reduce opportunity of pathophoresis and injury.

The invention relates to the livestock breeding technology and control relates to an anti-skidding semen collection device for bulls. The device comprises a semen collection rack, an artificial vagina and an anti-skidding pad. The semen collection rack comprises a rack body, a cushion fixed on the upper end surface of the rack body and a semen collection cavity fixed on the rack body and located below the cushion. One side of the semen collection cavity is provided with a semen collection opening. The artificial vagina is installed in the semen collection cavity. The anti-skidding pad is fixed below the semen collection cavity. The device further comprises a semen collection pond injected with sterile liquid. The rack body of the semen collection rack is fixed at the pond bottom of the semen collection pond. The anti-skidding semen collection device for bulls has the following beneficial effects: the semen collection device capable of preventing bulls from injury during semen collection is provided, thereby solving the conventional problem that bulls are likely to fall and hurt themselves.

A safe recording and comparison method for artificial fertilization, in-vitro fertilization and embryo transfer comprises the following steps of: step 1, archiving of a male parent and a female parent: storing identity information, pairing information and biological feature information; step 2, semen collection: identifying male parent information at first, then collecting semen, and establishing a matching relation between the semen and the male parent; step 3, semen treatment: during treatment, checking whether the semen is matched with the male parent in each sample transfer or transmitting the matching relation; step 4, ovum collection: identifying female parent information at first, then collecting an ovum, and establishing a matching relation between the ovum and the female parent; step 5, ovum fertilization: identifying semen and ovum information at first, then checking whether pairing is allowed, and if so, continuing, or otherwise, sending out an error prompt; and step 6, transplantation: verifying the female parent information at first, then checking whether an embryo is matched with the female parent, and if so, continuing, or otherwise, sending out the error prompt. The checking is performed before every operation to prevent errors.

The invention relates to a hybrid breeding method for a female Siberian sturgeon and a male Amur sturgeon and belongs to the technical field of aquaculture. The method includes the following steps that 1, choice of parents is conducted, wherein a 5+ aged Siberian sturgeon is selected as the female parent, and a 7+ aged Amur sturgeon is selected as the male parent; 2, parent fish breeding and procreation regulation are conducted, wherein parent fish optimization, parent fish feed selection, feeding and nutrient enrichment, water temperature procreation regulation and breeding condition and daily management are conducted; 3, artificial fertilization and hatching are conducted, wherein spawn squeezing and semen collection, artificial fertilization, spawn washing and hatching of fertilized spawns are conducted; 4, breeding of fish larvae and young fishes is conducted. The hybrid sturgeon fry bred through the method are high in fertility rate and hatching rate and have the advantages of being high in growth speed, wide in adaptability, high in stress resistance, good in growth trait and the like, and the method is suitable for breeding sturgeons in different regions of China.

The phantom (1) for animals, in particular porcine animals, comprises a frame (2) to which the animal semen collection means (4) are attached. These collection means (4) are mobile between at least one animal semen collection position and a retracted position. The phantom (1) comprises means (7) for detecting the presence of an animal in position on the frame (2), and actuation means (6), which are designed to move the collection means between the collection position and the retracted position, and which are controlled by the detection means (7).

The invention discloses a dilute solution used for preserving racoon dog seminal fluid at normal temperature, and a semen collection method. The dilute solution comprises following ingredients: 36 to 38g of glucose, 1.20 to 1.30g of sodium bicarbonate, 1.20 to 1.30g of ethylene diamine tetraacetic acid, 5.50 to 6.30g of sodium citrate, 0.65 to 0.85g of potassium chloride, 0.50 to 3.05g of bovine serum albumin, 0.05 to 0.30g of acetylcysteine, 0.50 to 1.20g of penicillin, 0.30 to 1.00g of streptomycin, 0.05 to 1.50g of lincomycin and 0.01 to 0.05g of spectinomycin; and a mixture of the ingredients above is diluted to 1000ml by adding triple-distilled water so as to obtain the dilute solution. Key steps of the semen collection method are that: female racoon dogs in heat are used as dummy teaser; conditioned reflex of male racoon dogs to artificial semen collection is formed by training; the training is repeated for 3 to 4 times until conditioned reflex is formed; and then the female racoon dogs are replaced by a female racoon dog-simulated dummy teaser which is filled with urine of female racoon dogs in heat so as to collect male racoon dog semen. The dilute solution and the semen collection method can be used for collecting racoon dog semen, diluting for preservation, realizing artificial insemination and obtaining offspring; and are capable of promoting the popularization of racoon dog artificial insemination technologies, and increasing economic benefits of racoon dog industry.

The invention relates to a breeding method for pigs, in particular to an artificial fertilization method for pigs, and belongs to the technical field of breeding. The method comprises the steps of 1 preparation before semen collection, 2 bare-handed semen collection, 3 sperm motility rate and density inspection judgment and 4 artificial insemination. 3-8 pigs can be hybridized through one semen collection of one improved-variety boar, 300-1000 pigs can be hybridized within one year, the number of the hybridized pigs is 3-7 times that of pigs obtained through natural mating, the number of bred boars is greatly decreased, the cultivation cost is lowered, and the method is high in conception rate, high in birth rate and remarkable in economic benefit.

In a device to facilitate the collection of semen, a flange is provided for a semen cup, which extends inwardly from the wall of the cup and defines a central opening, thereby providing a peripheral flange to prevent semen from flowing back out and allowing the cup to be held in an inverted or angled orientation while providing the semen sample.