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Horse ejaculation

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Semen Collection from Stallions

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This paper reports the use of a procedure for collection of semen from stallions by manual stimulation of the penis while the stallion is standing. Our use of this method with 18 stallions of various ages and types of semen collection experience indicates that this method may be an efficient alternative to traditional semen collection techniques using an artificial vagina and stimulus mare or dummy mount mare. Our observations, together with those of others who have tried the manual technique, suggest that both animals and handlers can be readily trained to use this method. Limited data suggests that semen samples obtained by manual stimulation are similar to those obtained using an artificial vagina. The authors wish to thank Drs. Kenny and Sue M.

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Imipramine hydrochloride was administered to five male horses kg b. Oral imipramine treatment to mg, twice daily led to frequent erection and masturbation while at rest in the stall in a nonsexual context. Intravenous imipramine treatment over a range of doses 50 to mg similarly induced erection and masturbation in all animals. Erection typically occurred within 10 minutes after injection, and the erection and masturbation continued intermittently for 1 to 2 hours. These erections proceeded as during sexual excitement to a normal firmness and eventual engorgement of the glans penis. Two stallions ejaculated while masturbating. Mild ataxia and drowsiness appeared at the higher doses, but the animals remained responsive to auditory, visual, and tactile stimuli.

In consecutive ejaculates, the number of sperm decreases as shown in the graph. This observation is also true for a single ejaculate collected on each of consecutive days however in this case the number of sperm ejaculated will eventually stabilize to the daily sperm output at around 7 days. This is shown in the graph below. The question thus arises as to how often should a stallion be ejaculated? The remaining discussion will assume the stallion has a normal testicular size scrotal width for his age as previously discussed. We know that between to million motile sperm are needed for optimal fertility. When a stallion is used for artificial insemination and semen is collected with an artificial vagina, studies have shown that there is no more sperm collected per week for 6 vs. Therefore collection every other day during the week will yield maximal numbers of sperm collected and usually fits with management schedules for shipping semen and breeding mares. The number of sperm in these ejaculates will stabilize over 2 - 3 weeks and then number of mares that can be bred is simple to calculate as:.

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Views: 957

From: Faumi

Added: 30.11.2020

Category: Strapon

Tags: horse+ejaculation

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