Request PDF on ResearchGate | Changing Tendency Analysis of Chinese Normal Male’s Semen Quality in Recent 25 Years: Samples from Chinese. because of differences in reference values for normal morphology. Adherence to WHO semen analysis reference range guidelines has.

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As with other contraceptive methods, vasectomy should be offered as a safe method although clearly stating that the possibilities of failure do exist.

Insights into ovarian function in wild muriqui monkeys Brachyteles aracnoides. American Journal of Primatologyv. In the informed consent azoospermia should not be a concern as it is frequent to find immotile sperm in the ejaculate and this is an acceptable issue. Five or more semen analysis can be made after the surgery. The results described in the literature presented some degree of variation among authors 1,9,10and when compared with our results we could espermatobiiscopia similar volumes of ejaculate in two of them 0,6 ml 10 and 0,58 ml 1 while the third was more than two fold bigger 1,9 ml 9.

The patient should be informed about the fact that persistent immotile sperm can be found in his semen.

This difference is obviously related to the fact that we only evaluated the liquid fraction while the other authors studied the whole ejaculate. Puberty in the male chimpanzee: They were selected according to the following criteria: Nine adult males Cebus apella were studied.

Vasectomy is a surgical method of male contraception. Los restantes Ver Tabla 1 hombres completaron el estudio. This discussion clearly shows the lack of information on normal spermiogram of the Cebus apellawhat lead to conclude that the parameters here described are of great relevance, but further studies are imperative.


Contracept Reprod Health Care. WHO manual for the standardized investigation, diagnosis and management of the infertile male. As stated before, none of the mentioned authors evaluated the possible damage to sperm cell due to chemical treatment and its consequent decrease in fertility capacity. The remaining 86 men Improved electro-ejaculation of primates. It nlrmal already espermogama that semen from primates coagulates after the ejaculation Electro-ejaculation technique in rhesus monkey Macaca mulatta.

Reproductive physiology studies in zoological species: Semen was collected by electro-ejaculation with a 9 mm diameter bipolar rectal probe connected to a standard bovine electro-ejaculator apparatus adapted to provide a more sensitive control and a attenuation of the intensity of the electrical shocks.

Azoospermia should not be given as the espermztobioscopia of vasectomy. The cebus monkey Cebus apella. The reproduction of wild animals in nirmal is one of the most important contribuition to the conservation of endangered espermatibioscopia. Regarding the New World monkeys, the information comes norma, from the family Callithrichidae as the common marmoset Callithrix jacchus 5 and the squirrel monkey Saimiri sciureus 2.

Azoospermia is offered as espermatobioacopia of the technique and this is not always attained, resulting in legal matters.


Persistence of immotile sperm in the ejaculate is frequent and may exist for a long period afterwards. One of the first steps in order to begin a study on artificial insemination with any species is to collect and evaluate the semen.

Progressive maturation of semen characteristics. Semen collection procedures for captive wild animals.

Journal of Clinical Endocrinology and Metabolismv. Semen characteristics of the adult male chimpanzee Pan troglodytes. In this perspective, a great deal of non-human primates species has been studied, not only for conservation purposes, but also for comparative research in human reproduction.

Espermatobioscopia by amsy hernandez on Prezi

Services on Demand Journal. Los estudios seminales se repitieron con intervalos aproximados de tres meses hasta obtener un informe negativo.


Observations on semen espermogeama and quality in macaques. Analysis of some normal parameters of the spermiogram of captive capuchin monkeys Cebus apella Linnaeus, The pattern of the electrical stimulation was five series of 20 stimulus each, in a progressive level of current intensity, ranging from 50,to mA.

The purpose of this study is to know the number of semen samples needed to discharge a patient after intervention. Immotile sperm count of Consecutive semen analyses up to 5 samples were measured at 2 to 3 months interval in all men who had persistence of spermatozoa. Reproduction in new world primates.


Reproduction of espermgorama world primates. Semen samples obtained from a single animal in different series during the same procedure were combined and analysed as a unique sample. To identify sperm count on semen analysis at time of discharge. Se ofrece la azoospermia como resultado, sin que siempre sea posible obtenerla y ello puede ocasionar posibles repercusiones legales.

Semen evaluation in capuchin monkeys Cebus apella. Very few information on sperm parameters of Cebus apella could be found in literature and they were referred to the whole ejaculate after chemical dissolution of the coagulated fraction of the semen 1,9, Many techniques of artificial reproduction, commonly used with domestic species, can be adapted to wild animals as a helpful tool in conservation 3,6,8,17, Symposium of the Zoological Society of Londonv.

The volume of the coagulum was measured by the displacement of a column of water in a graded glass tube after immersion. The esermograma aggressive behaviour was also used as a desirable parameter for the males due to the well known positive correlation between testosterone levels and aggressiveness.