These results could help in the development of a technique for artificial insemination in alpacas. There were no differences in sperm quality between the two extenders therefore, it appears that either extender could be used for alpaca spermatozoa. In conclusion, viable epididymal spermatozoa could be extracted from the castrated organs after overnight transport. Progressive motility with use of INRA96 was greater after incubating for 30 min than after incubating for 10 min (35 ± 4% vs. Sperm total motility (mean ± SEM A: 29.1 ± 4.8 % compared with I: 35.4 ± 4.8 % NS), membrane integrity (A: 58 ± 9% compared with I: 56 ± 9% NS) and acrosome integrity (A: 65 ± 7% compared with I: 54 ± 7% NS) were not different between the two extenders. In this experiment, two semen extenders (Andromed and INRA96) developed for other species (bovine and equine, respectively) were tested with alpaca spermatozoa derived from the cauda epididymis. ![]() Castration conducted for husbandry purposes can provide a source of epididymal spermatozoa to test semen extenders or handling regimens, thus circumventing the problem of the viscous ejaculate. The technique, however, is not well developed in alpacas, partly because of the viscous nature of their seminal plasma. ![]() Accordingly, the elimination of these triggers could enhance epididymal semen freezability and consequently positively influence post-thaw semen quality and outcome for different ARTs. percentage of progressively motile was significantly lower for the type B calculi (31.66% ± 14.68%) group than the type A calculi (40.17% ± 17.09% p <. The total motility was significantly lower for subjects with type B calculi (41.84% ± 17.50%) than for subjects in the type A calculi (51.78% ± 20.84% p <. The clinical data of each group were collected and analyzed. Five hundred and seventy-eight men without PC were recruited for the control group.
Patients with PC were classified into the type A calculi group (discrete and small echoes) and type B calculi group (coarse and large masses of multiple echoes). To investigate the correlation of prostatic calculi (PC) with semen parameters in men with fertility intention, this retrospective case–control study enrolled 1,303 participants ranging from 20 to 59 years old 725 were diagnosed with PC using abdominal ultrasonography.
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