Induced Ovulation In Rabbits

Some observations on the mechanism and time of ovulation and the in vitro fertilizability of the eggs obtained are also described and discussed.

Induced ovulation in rabbits. In rabbits the capacity of mechanical stimulation of the vaginal utero cervix region to trigger ovulation is well documented. In conclusion ovulation in rabbit does can be induced by exogenous gnrh administration im and intravaginal. Stimuli causing induced ovulation include the physical act of coitus or mechanical stimulation simulating this sperm and pheromones. In rats vagino cervical stimulation induced analgesia is blocked by sectioning the pelvic and hypogastric nerves a procedure that also antagonizes copulation induced prolactin release and mating induced ovulation.

Rather they are able to reproduce during the majority of the year. Ovulation induction in rabbits by the addition of gnrh syn thetic analogues to the seminal doses and provides new perspectives for simplifying the ai technique. Sometime females may stimulate each other to the point of stimulation. This type of ovulation is expected in does becoming pseudo pregnant or sterile for few days.

The high plasma lh concentration and ovulation rate in the r group with respect to the s and a groups could weakly indicate the presence of some molecules in the seminal plasma that could act on or be absorbed by vaginal mucosa. Because ovulation can be induced by proximity and non sexual mounting behaviors pseudo pregnancy can occur in rabbits that are housed together. Rabbits can be induced to ovulate in a few different ways and may subsequently experience a month long pregnancy or a half month long pseudo pregnancy. They have something known as induced ovulation.

A technique of induced superovulation in the adult rabbit using the commercial preparation synapoidin is described and discussed together with some observations on the effect of the hormones serogan and gonan on the ovary. Female rabbits do not have a heat cycle in the same way as other animals. Ovulation occurs at the ovary surface and is described as the process in which an. For over a century it has been well known that ovulation is induced by coitus in the rabbit heape 1905.

On april 27 1890 he transferred embryos from one rabbit doe to another and in 1905 he published the first description of non spontaneous ovulation in this species biggers 1991. Walter heape was a pioneer in the study of reproductive physiology in rabbits. The structure tissues secretions contractions and innervations of the vagina in rabbits that can affect absorption profiles are reviewed in the context of recent reports of the achievement of high ovulation rates obtained by adding gnrh analogues directly to the seminal dose. Ovulation requires stimulus of mating and thus induced in nature.