Management of the female stimulus during semen collection and its association with libido re-establishment and semen characteristics of goats.

摘要: The effect of management the female stimulus during semen collection and its association with libido re-establishment characteristics sexually mature goats was evaluated. Eight 2-yr-old bucks were individually subjected to 12 weekly trials in which one following three treatments applied alternately. In treatment one, each male performed two ejaculations on an estrus-induced, restrained doe collected artificial vagina (AV). two, males as former treatment, but a different served for second ejaculation. three, does present while collecting buck, allowing choose mount serve collections. Number mounts before first ejaculation reaction times (period from introduction ram test arena his ejaculation) similar among (P > 0.05). A significant 0.05) found volume (0.8+/-0.03, 1.0+/-0.03, 0.9+/-0.02 mL) or sperm concentration (4.4+/-0.15, 4.6+/-0.13, 4.4+/-0.86 spermatozoa/mL) between collection. However, trend decrease observed. It concluded that simultaneous presence females are reduced number latency ejaculations.