Of dog breeding is the process of sexual and asexual reproduction related to canines, including domestic dogs .[ edit anatomy and sexual development in dogs]
- A glossary of terms used in this article, please see below. View erection boy.
In the breeding of female sex has been referred to as female and male as stud. Domestic dogs, sexual maturity ( puberty, but this can be delayed until up to 2 years old for some large dog), between the ages of 6 to 12 months for both men and women will occur. Pregnancy, the estrous cycle and the first is possible now, but it is not recommended in the second cycle before breeding. [ citation needed] As with other domesticated species, domestication has been bred selectively for high libido or more inches of their wild ancestors of the breeding cycle more frequently, earlier and in dogs
Most of the species is similar to one men and the development of secondary sexual characteristics is dependent on the production of testosterone from the testis. Muscle mass, penile enlargement, anal hypertrophy, called the development of the gland at the base of the penis, which includes secondary sexual characteristics will increase the glans bulb . Also level of testosterone, sex drive may not be cyclical, is responsible. Men even if the woman has not been, at any time have accepted the mating estrus .
Anatomy of female dog is similar to that of many other mammals . They have two ovaries located in the tail , kidney located in the abdominal cavity. They have two-horned (angle 2) or the uterus at the end of the cervix to connect to, canal short the vagina . Check out also erection when pierce penis. Cervix is a muscle that supports the fibrous tissue, its opening, will be closed by star-shaped pattern. See can neutered dogs still get erections. Vagina and urethra opens in the front yard. Clitoris is located under the inside of the vulva, the hood. And extends down the hood, which forms the outer boundary of the entrance as labia minora. Bitches often have vaginal stenosis or hymen is a remnant of the vaginal vestibule where were fused together in, the embryonic development . This structure is often asymptomatic, not complete, leaving an opening in the vestibule from the vagina in general. In addition it will be forced open during copulation.
In the tame species , one of the strongest effect, follow the instructions on the human, is the choice for the first time in cooperation with the breeding process as seen from selective breeding. You maybe interested in lecithin erections. Note one of the action is discontinued. Pair bond seen in wild canines. Ability of female domestic dog, in order to enter estrus at any time of year, but typically are evaluated twice a year. Time between cycles, but depends largely on the individual dog, dogs tend to be specific cycle has been consistent throughout her life. You maybe interested in erection dogpile image. On the contrary, wild species, at the end of winter, you typically experience estrus once a year in general. Check out also erection capsules.
Most dog breeds delay of several large late as much as two years, coming into the season for the first time between 6 and 12 months. As with most mammals, women are coming into the first season with the contribution of multi-age genetic , hormonal signal to the action of physical and sexual maturation of both, nutrition, and nutrition gonadal steroids , growth hormone , insulin-like growth factor and (IGF-1) leptin, constituting the major determinant of body composition and evolution of the onset of puberty [ citation needed] a]. The relationship between body fat and weight, which correlated well with the onset of puberty in most mammals [ citation needed ], and they heat all the way up to about seven months old age will occur. It will be unpredictable fertility cycle becomes irregular, and old, female dog, menopause does not occur. Dogs are usually more than about seven or eight years, have not considered appropriate for breeding, you may still remain fertile. See erectile dysfunction pill comparisons.[ edit reproductive cycle] [ edit cycle Girls]
The average length of the female reproductive cycle is 6 months. Females reached (puberty) sexual maturity of 18 months from 8 months of age. You maybe interested in marijuana gives me an erection. At the age of maturity among the cultivars, there is a variation in the phenomenal breed of dog further.
In the first stage of the reproductive cycle, the egg begins to mature in the ovaries, estrogen levels are beginning to rise, which is proestrus. At this stage, the men are attracted to women of non-receptor. First become flexible, and swollen lips of the vulva, there are signs of blood a small amount of fabric, frequent urination, restlessness. Proestrus lasts nine days in general.
Estrus is the next step has been has been a high level of estrogen, a mature egg is released from the ovary, women are mentally and physically to accept, mate . Mating it is only for the duration of estrus to become pregnant.
Between estrus and proestrus, there is a clear case to the discharge of bloody women. Length of these cycles "heat" are known to vary greatly between individuals as this stage. You maybe interested in make your own penis erection oil. Proestrus and estrus can be followed anywhere from 5 days to 21 days. See effect of stimulants on erections.
To diestrus is the period after mating. Diestrus day, about 58 from 56 pregnant women, and will persist for 100 days from 60 non-pregnant women. In both of these periods, the level of progesterone is high. For women's hormone profile of diestrus and in pregnant women is the same, through the era of non-pregnant women and sometimes pseudo-pregnancy . See cure for maintaining an erection. At that time, she will be able to generate mammary gland development has been to increase the weight, the milk, showing the operation of the nest.
Anestrus is the reproductive period of the suspension. You do not have the gravitational pull from the female or male. Anestrus is followed by five from four months in general.[ edit copulation]
Mating between dogs, as well as in most cases, including a male dog mount the female from behind quadruped position known informally as Doggy . Male dog when you are interested in mounting the female, he Nari smell of women is the vulva . If it is unreceptive female, she is sitting or lying down, you may or is uncooperative, you can not snap mating, or leave. If you do not accept female mating, she will be standing still, to hold her tail to the side (called "flag"). Check out also fda approved male enhancement. Men before while trying to frequently, to mount her from behind, we will examine the back of the woman to penetrate , and his penis . Check out also non prescription erection medication.
At the time of the intrusion is not a penis erect can be, it is a slender, known as the only reason, to penetrate the woman the presence of a small bone in its penis bone . You maybe interested in progesterone erections. Men when the penetration has been achieved, he holds the thrust is often fast and tight female, male penis is that it is the expansion at this point. Unlike humans, sexual intercourse , becomes the first human male erect, and then enter the mating female, of dog, the first woman to enter the male dog, including swollen and become erect [.
The male dog, is the only animal that has lock and bulb bulb glans area of the spherical erectile tissue at the base of the penis . After mating, the male penis is complete inside the woman's vagina, the bulb is the glans. And hyperemia  and, when the female vagina . Contract, the penis has been locked on the inside of the female  or knot instead are known as tying this. Between the characteristics of the mating of canine Most of the time, that there is no tie mating has been reported , (1 min less) very short or  in the wild dog African predators large, to their environment may be attributed to the richness of the. 
Penis bulb glans (stud, if they are "connected") if it is locked in the vagina, male is usually while turning around, and then swing on the back of the woman and lift the leg. Penis between the two stand with their end of the hind foot is touching is locked in the vagina and ejaculation decrease leakage occurs, the semen from the vagina. After a certain amount of time, typically 5 to 20 minutes  ( it can be sometimes long separation), disengorges ball part of the glans, the fellow. Virgin or pull away and the dog may try, you can become quite worried by finding itself can not be separated in their first mating, and then click Run. Dog breeder is often, it will support a calm, they can through this stage until the final separation is appropriate for parties to resolve the mating dogs once it reaches indicate a concern have shown.
Mounting behavior in dogs is similar, has been used in male and female canine also (including pelvic thrust fault at times). , "Thailand" with a thrust fault without and should not be confused with the implementation of short-term mating is to be achieved, or, mounting.[ edit Pregnancy and l]
Dogs after approximately nine weeks, that bear the offspring fertilization in 63 days is the average length of pregnancy, will vary from 65 days from 59.
The general rule of thumb, the mammal is, is to produce half of the offspring of many mothers, such as the number of nipples. Check out also erection doctors office. Offspring is large, because it is favored by dogs and for economic reasons often, this rule has been changed in animals that were domesticated, in particular, a large range of size and shape is how many can a woman carry plays the role of a healthy puppy. The average litter is composed of about six puppies , this number may be significantly different based on the breed of dog. Dog toys dog is much larger than expected, it is may be 14 and the average of the puppy so many of each waste, in general, are generated from four puppies from a litter of each.  the number of puppies varies depending on timing and many other factors, age and health of the mother, father's sperm count, of the breeding season.
When the stud and female mating every other day some veterinarians, [say that it is the road to complete garbage citation needed ]. The other day mate, [will say that the very good [citation needed ]. This can reduce the chance of having a puppy was born a lot later than the middle of a puppy or other trash.
Some varieties have been developed to emphasize the physical characteristics of the specific beyond the point at which they were able to bear the belly on your own safety. For example, the English bulldog needed to breed with in this way, the broad shoulders and narrow waist artificial insemination and, later, cesarean section for birth [ citation needed] a].
Since the number of descendants can provide nutrients and care is limited, mother, when they exceed the puppy litter is about eight, man [there is a need to support the care and feeding [citation needed ].[ edit clinical problem]
Are exposed to the danger of a bitch endometritis and pyometra in the postpartum period and after estrus and vaginitis . Contains signs and symptoms, but may be asymptomatic if they are a fever, lethargy, loss of appetite, excessive thirst, restlessness, vaginal discharge foul odor may be it blood, or, or infertility The     . If you suspect, infection of the uterus should be treated expetitiously. View erection gym. Contrary to common belief, infection of the uterus is a more general it becomes older dog, it is whether they are breeding her whether or not it is the first season, her intact any You can, and beat the bitch.[ edit breeding of dogs]
Breeder and veterinarian, has a variety of methods to determine the best time for breeding a dog. View which drugs can cause erectile dysfunction. They are breeders is dependent on both the signs of estrus and modern testing methods when trying to determine the best time to breed. Bleeding from the vagina (or heat) for signs of estrus, standing for male dog and swelling of the vulva to be able to mount her, which contains a female dog in response to a male dog in the "frozen". See can caffiene cause erectile dysfunction. Medical methods most commonly used to determine the three estrus is as follows. Progesterone in the blood, luetinizing blood hormone (LH), vaginal smear. "Smear" test, and the first two levels of these hormones in the blood checks the amount of cornified epithelial cells present in vaginal secretions.
Smear method (if especially done by the veterinarian has limited experience to perform this test) while there is if you can not trust, because they are very accurate, breeder of many, LH, progesterone prefer the test. And it is much cheaper, because there is no need to draw blood, smear method is still widely used but is less stressful for the dog.
Before the advent of modern testing, breeders, dogs may be mated to two every two to three days between estrus females to ensure that fertilization has occurred. Today, most breeders to track the cycle of women (usually by blood testing of progesterone), and she will breed her during the three-day window only when there is most sensitive to the most fertile male .
Littermates were born to theseAustralian Shepherd
Suggests that another father, mother had been roaming free. See male erection orgasm.
Bitch, you can end up producing puppies from multiple fathers can roam freely between estrus. Breeders, if that occasionally through, the only reliable way to determine the parent-child relationships of the puppy, it may be desirable to men more than one breeding female in a variety of reasons DNA testing puppies and mother Roh Moo-hyun. These offspring are called pups and "stallion" double.[ edit procedure]
You can only facilitate natural breeding, between the dog to achieve because most of the female dog in estrus during this experiment. Several days, if you place the dog both in the same environment simply will be a normal pregnancy. , Is not desirable due to the stud and breed characteristics is available only for a short time, the natural breeding, you can use artificial insemination. This is often done in the office of a veterinarian. Artificial vagina is a thin latex sleeve ending in a conical sterile collection tube, has been provided. Has been lightly lubricated latex on the inside of the sleeve. Men are allowed to sniff the smell of female estrus. Experienced stud is cooperating in the process easily. New stud will require a manual stimulation in the form of encouragement often. Male mounts the female are generally collector tells of his penis sleeve latex immediately. Male ejaculation and the semen has been collected in a tube. Semen is then formulated into a long thin pipette. Pipette, through the female cervix, semen is deposited in her womb. There is ongoing research into technology for cooling or freezing dog semen. View harder longer lasting erections. Currently, for breeding of high quality, one of the fellow, in many cases, has been flown to other places in this step.[ edit breeding]
Purebred breeding of dogs , a particular type of dog is kept, whether hunting, as well or other work, livestock occurred in response to job was the target, if necessary, attractive physical The animals were kept and only appearance. View the vacurect vacuum erection device. Most of the quality of work does not fulfill a useful purpose in the current Western society anymore. As the instinct of sheep herding dog of the mouth and soft retriever such different qualities were required for these various jobs. Check out also keeping an erection. In order to modify the characteristics of genetic varieties so that you can breed two dogs of the same to reproduce themselves, most breeds, began historically inbreeding. See erection fitness ebook. These fixed quality, is called standard varieties of today. Criteria is set by the breed club of each country, has been approved. Many standards, conformation as a function height, ear type (prick versus drop), tail, and other courts, which have not been opened to a very specific interpretation. Other aspects of each variety, it may be open to interpretation. Breeders are, or that the rescue, herding, pointing, you can focus on the quality of work, such as hunting conformation, or temperament. Currently, the main goal of most breeders is to improve varieties were chosen for their show production puppy for sale as pets, as well as the. Many pets and for the purposes of the show, often by airplane, sale, shipment, to advertise their dogs on the Internet in general.
Professional breeder, but is not only aware of the standard of its breed, in one of two ways, several attempts to improve its own line of linebreeding to introduce (a new row or by mating ). Professional breeders, prior to breeding for things like hip dysplasia, you can test the state of the eye for a variety of genetic defects, thyroid problems, and epilepsy.[ edit cross-breeding]
Dog breeds designer mutt that is bred from the parent of the two varieties has been established intentionally. The study cross-bred dog that has a number of desirable reproductive traits has been shown. Scott and Fuller  to produce more milk cross-bred dogs, to provide better care, that it is superior to mother's mother was found purebred. The advantage of these puppy that led to the reduction in mortality of the offspring of the cross to be born and raised dogs. You maybe interested in erections while bathing.It will take two months. However, the nature of cross-bred dog is not predictable. For example, F2 poodle Labrador x (hereinafter referred to as " Labradoodle "), you can inherit the coat of one of the mixed Labrador, poodle or,.[ edit spaying and neutering]
Refer to (men) castrating castration (female) and sterilization but usually by removal of a male - animal testes and female ovaries and uterus in order to eliminate the ability to reduce the sex drive, and give birth to a child -. Castration also is known to reduce aggression in male dogs, castration, increasing the aggressiveness of the female dog has been shown occasionally. 
Animal control agency of the United States and the ASPCA, the dog not intended for further breeding, to advise or castration should be castrated so they do not have the puppy does not want. See anthocyanins impotence.  and Castrating castration, hormone-driven behavior as well as cancer and it is possible to reduce the risk of hormone-driven diseases such as mammary gland such, undesirable. However, specific medical problems, such as the following, the possibility is increased after castration urinary incontinence in women  and prostate cancer men in.  hormonal changes involved in the sterilization, however, may change somewhat the character of the animal, to the object of some sterile, castrating castration and as can be done without removal of the organ.
As shown in the conformation ring, dogs can be either castration or sterilization is not allowed. View how to get off an erection. Disqualify them from being displayed, and it must be as they are not changed.
Seven times the female cats and dogs may develop mammary tumors if they have not been castrated before their first heat cycle . View condom lost erection.  as well as the average commercial pet food, diet high in estrogen content of estrogenic activity of topical pesticides [ citation needed ], if it is added to the source of exogenous estrogen usually these things are produced by the body In particular, there is a potential factor contributing to the development of breast cancer. Dog food containing soybeans or soybean fractions that contain it has been found that phytoestrogen levels it may have a biological effect of the long-term intake. 
Gender as a preservative surgery of tubal ligation and vasectomy, such as this is possible, it is popular for the continuation of the risk of gender-specific behaviors and disease does not appear. [ original research? ][ edit Please see also]. [ edit Resources]
- ^ "Collection of semen from a dog" . Arbl.cvmbs.colostate.edu. September 14, 2002. http://arbl.cvmbs.colostate.edu/hbooks/pathphys/reprod/semeneval/dog.html . Was acquired January 29, 2012.
- ^ Bekoff, M.; (from 1976 to 1905) Diamond, J.. "Precopulatory and mating behavior of coyotes" . Journal of mammalogy ( American Society of Mammalogists 57 (2)): 375 from 372. JSTOR 1379696 . Is Www.Jstor.Org/stable/1379696 http:// . Was acquired on May 13, 2011.
- ^ Kureiman, DG (1967). "Some aspects of social behavior of dogs" . American zoologist ( American Society of Zoologists 372 from 365: 7 (2)) , Doi : 10.1093/Icb/7.2.365 . Is Icb.Oxfordjournals.Org/content/7/2/365.Short http:// . Was acquired on May 14, 2011.
- ^ , (August 27, 1998) Creel, S. "effective population size and social organization of carnivores" , in Karo is, TM, behavioral ecology, conservation biology , Oxford University Press , from 246 two hundred and seventy pages, ISBN 0195104905 from 978 , Http://Google.Com/books?Id=Pn4jHskZ7F0Candopg=PA256
- ^ (1911 from 1973) Kureiman, DG, Eisenberg, JF. "Comparison of social system and feline canid from the perspective of evolution." Animal Behavior ( Elsevier 659 from: 637) 21 (4) , Doi : 0 from 10.1016/S0003-3472 (seventy-three) 80 088 .
- ^ Ruvinsky, A.;. (2001) Sampson, J. Genetics of the dog . CABI . Page 564 (please refer to p. 407). ISBN 9,780,851,995,205 . OCLC 45707635 . Http://Google.Com/books?Id=bgZwjdB4xgECandopg=PA407 .
- ^ "X-ray images of dogs during pregnancy" . Http://Pregnantdogxray.Com .
- ^ ~ ~ V Http://Www.Eje-online.Org/content/9/4/407.Extract
- ^ Http://Ukpmc.Ac.Uk/abstract/MED/9853312/reload=0, JSESSIONID = V0etwl0fHKJ9X5IuaUAu.0
- ^ Http://Petsmd.Com/Health/Dogs/Pyometra
- ^ http://www.wiki-pet.com/health/dog/condition/index.php?condition_id=323&name=endometritis
- ^ John Paul Scott, John L. Fuller. Dog's behavior.
- ^ Heidenberger E, J Unshelm (one thousand nine hundred ninety). "[Behavioral changes in dogs after castration]" Tierrztliche Praxis 18 (1) (German): 75 from 69. PMID 2326799 .
- ^ "Top 10 Reasons to castration / castration your pet" . American Society for the Prevention of Cruelty to Animals. http://www.aspca.org/site/PageServer?pagename=adopt_spayneuter . Was acquired May 16, 2007.
- ^ Arnold S (1997). "[Castrated female urinary incontinence: a pathogenesis that significance, and clinical aspects]" Switzerland (German). Arch. . 6 from 271: Tierheilkd 139 (6). PMID 9411733 .
- ^ Johnston SD, Kamolpatana K, Kustritz MV roots, Johnston GR (2000). Anim of "prostate disease in dogs." Reprod. SCI 60 from 15 from 61:405 doi : 9 from 10.1016/S0378-4320 (00) 00 101 . PMID 10,844,211 .
- ^ ^ Morrison of dogs and cats, Wallace B. (1998). Cancer (first edition). Williams and Wilkins. ISBN 0-683-06105-4 .
- ^ Cerundolo R, Court MH, Hao Q, Michel KE (2004). Is "Identification and concentration of soy phytoestrogens in commercial dog food." Veterinarian of J.. 6: 592 resolution 65 (5). Doi : 10.2460/Ajvr.2004.65.592 . PMID 15141878 .
- Segal, Mordecai (1995). (Editor). ED of the dog. UCDavis Book. Publisher HarperCollins. ISBN 0-06-270136-3 .