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Camelid Breeding Cycle - Anatomy & Physiology (view source)
Revision as of 13:28, 31 July 2008
, 13:28, 31 July 2008→Cyclicity
== Cyclicity ==
== Cyclicity ==
* Induced ovulator
* Induced [[The_Ovary_-_Ovulation_-_Anatomy_%26_Physiology|ovulator]]
** A few individuals will ovulate in absence of mating.
** A few individuals will [[The_Ovary_-_Ovulation_-_Anatomy_%26_Physiology|ovulate]] in absence of mating.
* Follicular waves occur, where a follicle will gradually mature to a point when it could be ovulated should mating occur. It will then regress if no mating takes place.
* Follicular waves occur, where a follicle will gradually mature to a point when it could be [[The_Ovary_-_Ovulation_-_Anatomy_%26_Physiology|ovulated]] should mating occur. It will then regress if no mating takes place.
* Folicular waves generally occur every 10-12 days, but there is variation between individual animals.
* Folicular waves generally occur every 10-12 days, but there is variation between individual animals.
* As follicles mature, they produce Oestrogen, which is responsible for receptivity behaviour.
* As follicles mature, they produce Oestrogen, which is responsible for receptivity behaviour.
* Progesterone inhibits further follicular development and triggers rejection behaviour.
* Progesterone inhibits further follicular development and triggers rejection behaviour.
* If there is no pregnancy, luteolysis occurs and the corpus luteum is broken down. This allows a new follicle to develop.
* If there is no pregnancy, luteolysis occurs and the corpus luteum is broken down. This allows a new follicle to develop.
* The overlapping nature of follicular waves and the fact that the female is receptive even if the follicle is not mature enough to ovulate makes it difficult to determine from behaviour when the optimum time for mating is.
* The overlapping nature of follicular waves and the fact that the female is receptive even if the follicle is not mature enough to [[The_Ovary_-_Ovulation_-_Anatomy_%26_Physiology|ovulate]] makes it difficult to determine from behaviour when the optimum time for mating is.
== Ovulation ==
== Ovulation ==