After 24 h 11 oocytes showed two pronuclei 2PN. Artificial breeding of non-domestic animals: After 24 h 10 oocytes were 2PN. In order to collect semen from a male dog, an artificial vagina is prepared,   which is a conical thin latex sleeve ending in a sterile collection tube. Despite relatively high sperm counts, the semen obtained by electro-ejaculation usually reveals spermatozoa with low viability, poor survival, impaired cervical mucus penetration and poor fertilizing capability, in both organic Denil et al.
The Art of Natural Family Planning 4th addition ed.
The other prostatic lobe was palpated and the procedure repeated several times. However, it requires the use of specialized equipment and experience. Oxford University Press is a department of the University of Oxford. Examination of the EPS at the clinic showed a few immotile spermatozoa. Archived from the original on Prostatic massage can be done for couples already committed to ICSI before the patient is admitted to the operating theatre for more invasive techniques.