Home  Veterinary When you hide a female dog - the method of determining fertile period
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When you hide a female dog - the method of determining fertile period |
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 How to assess the most appropriate moment came when a departure from our favorite to stud? Many breeders believe that it is yet clear - the best in the 11-13 day or guided by the behavior of a female dog, and any dog - male or family camped out at home. If a female dog is a case book, it is just such an assessment and the date to be determined accurately. Worse, if after several attempts the breeder does not get any litter - either by lack of acceptance by the male, or so. "empty mating.
In our practice we have already met with dogs that had to be hiding in the 6th day and those which were in the fertile period of 35-38 days from the appearance of the first bloody leakage.
Often, they come up female doges that are poorly expressed symptoms or those who bled for a week, then did a two-week break after this time to continue the cycle. Sometimes the stud the flat at the other end of the country or in Europe, and we do not have time for a few days leave, which in addition may not bring longed-for puppies. Therefore, it is important to know that you can determine when the female dog is in the fertile period. Statistical method: According to statistics the majority of pregnant female doges, if covered between 9 and 14 days . However, please note that the statistics give an average and does not tell us about the extreme cases, which occur more frequently than it might seem. Biological method: Observing the behavior of a female dog and changes in the external genital organs, can be quite large to determine the effectiveness of the forthcoming fertile period. Leakage of the bloody change in an ever brighter, resembling the appearance of meat washings, and the female dog becomes interested in dogs. Mating occurs after the observation of a clear gesture of tolerance. Measurement of resistance of vaginal mucus: he trade can be called to meet. electronic heat detector, a camera . With his help, you can measure the resistance of vaginal mucus, which changes along with the course of the cycle. If this is the only method used, it carries a significant limitation, because the resistance of the mucus influenced by many factors, which are frequent false results. Is recommended as a complementary test. Pap smears: Pap smears are very helpful both in determining the fertile period in female doges and is a valuable diagnostic method in gynecological diseases. Veterinarian takes proper vaginal swab, imprints on slides, stained preparation and evaluate the cells visible under a microscope. During estrus in observe cell surface - where among them about 90% are cell or eozynofilne (depending on the method of staining), a female dog is suitable for mating. Using this method, you can also confirm the opacity (if the breeder is not sure whether there is copulation) - swab should be taken as soon as possible, preferably before 12 hours after the supposed contact with a dog female dog. This is confirmed by finding the sperm. A cervical smear test is a quick, cheap and characterized by relatively high efficiency, provided that the evaluator of the smear have relevant experience. Unfortunately, this method is reliable and in case of any doubt, perform additional tests such as determination of the levels of progesterone or . Hormonal tests: In everyday practice, most often being measured in serum progesterone. This can be done in the laboratory or on site at the clinic, with the help of veterinary rapid tests. Progesterone gives us a moment indicative of reproach LH (pituitary hormone responsible for ovulation) - 2 days after "peak" LH, progesterone rises to about 4 ng / ml, and the best moment of mating falls on, when you reach 5-8 ng / ml. This is the surest method, however, is associated with blood collection several times and greater costs means an examination of the vagina mucosa using endoscope. Physician on the basis of the appearance of mucosal folds assess the stage of the cycle. During when hormones are estrogen dominant, and the folds are juicy, easy to see. At a time when progesterone starts to increase, the folds are passed, they become wrinkled and pale and female fecund period in the fall. This method is effective, but not very widely used, due to hardware limitations (not every nursing home is equipped with an endoscope).
Summary:
In our clinic most of the monitoring start of cytological, initially repeated every 2 days, then even every day. If the female is to be covered once, we recommend at a time when the smear shows coming on a prolific period of measurement If there is the possibility of successive repeated mating, cytology alone is sufficient. Please note that knowledge of the fertile period does not guarantee success. Often attach to other factors that interfere with our breeding success. This may be infertile male hormonal disorder or other diseases of the genital tract or other organs, which seem to be that of reproduction have little in common. Sometimes you need a female dog artificial insemination, which, despite the relevant period does not want to admit to themselves male. And sometimes can be a female dog, lucky keeper after confirmation of pregnancy no longer imagine a flock of cute puppies running around the yard, and the delivery does not occur - it turns out that female dog embryos or miscarriage. Fortunately, in most cases, these problems are possible to resolve, but often need time and appropriate treatment for litter.
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