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− | |backcolour =EED2EE
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− | |linkpage =Reproductive System - Anatomy & Physiology
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− | |linktext =Reproductive System
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− | |maplink = Reproductive System (Content Map) - Anatomy & Physiology
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− | |pagetype =Anatomy
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− | |sublink1=Exotics - Reproduction in the Female Avian - Anatomy & Physiology
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− | |subtext1=FEMALE AVIAN REPRODUCTIVE
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| == Breeding Cycles == | | == Breeding Cycles == |
| * Classified according to length of cycle and the time of year when the species becomes reproductively active. | | * Classified according to length of cycle and the time of year when the species becomes reproductively active. |
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| * In females, '''FSH''' is mainly responsible for follicular growth. | | * In females, '''FSH''' is mainly responsible for follicular growth. |
| * Developing follicles produce '''Oestrogen''' from '''Theca and interstitial cells''' and '''Progesterone''' from '''Granulosa cells'''. | | * Developing follicles produce '''Oestrogen''' from '''Theca and interstitial cells''' and '''Progesterone''' from '''Granulosa cells'''. |
− | * Increasing levels of Oestrogen stimulate an '''LH surge''' to cause the [[The_Ovary_-_Follicles_-_Anatomy_%26_Physiology|follicle]] to split and release the primary [[The_Ovary_-_Oocytes_-_Anatomy_%26_Physiology|oocyte]]. | + | * Increasing levels of Oestrogen stimulate an '''LH surge''' to cause the [[Follicles - Anatomy & Physiology|follicle]] to split and release the primary [[Oogenesis - Anatomy & Physiology|oocyte]]. |
− | * '''Oestrogen mobilizes calcium''' from the bone, increasing plasma concentrations for [[Exotics_-_Composition_and_Formation_of_the_Egg_-_Anatomy_%26_Physiology|egg formation]]. | + | * '''Oestrogen mobilizes calcium''' from the bone, increasing plasma concentrations for [[Egg Composition and Formation - Anatomy & Physiology|egg formation]]. |
| * '''Progesterone''' secretion continues to inhibit further ovulation and stimulate behavioural changes associated with '''broodiness and incubation'''. | | * '''Progesterone''' secretion continues to inhibit further ovulation and stimulate behavioural changes associated with '''broodiness and incubation'''. |
| * '''Prolactin''' stimulates the production of '''crop milk''' in male and female columbiformes. | | * '''Prolactin''' stimulates the production of '''crop milk''' in male and female columbiformes. |
| * '''Oviposition''' is controlled by '''prostaglandins and Arginine Vasotocin'''. | | * '''Oviposition''' is controlled by '''prostaglandins and Arginine Vasotocin'''. |
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| == Ovulation== | | == Ovulation== |
| * Number of ovulations varies with species, mostly lay one clutch a year. | | * Number of ovulations varies with species, mostly lay one clutch a year. |
− | * [[Exotics_-_Anatomy_of_the_Female_Reproductive_System_-_Anatomy_%26_Physiology#Infundibulum|Infundibulum]] catches the [[The_Ovary_-_Oocytes_-_Anatomy_%26_Physiology|oocyte]], facillitated by the left abdominal air sac which tightly encloses the [[Exotics_-_Anatomy_of_the_Female_Reproductive_System_-_Anatomy_%26_Physiology#Ovary|ovary]]. | + | * [[Avian Female Reproductive System#Infundibulum|Infundibulum]] catches the [[Oogenesis - Anatomy & Physiology|oocyte]], facillitated by the left abdominal air sac which tightly encloses the [[Avian Female Reproductive System#Ovary|ovary]]. |
− | * Once ovulation has taken place, the [[The_Ovary_-_Follicles_-_Anatomy_%26_Physiology|follicle]] shrinks and regresses. | + | * Once ovulation has taken place, the [[Follicles - Anatomy & Physiology|follicle]] shrinks and regresses. |
− | * '''No [[The_Ovary_-Corpus_Luteum_-_Anatomy_%26_Physiology|corpus luteum]]''' remains, as there is no developing embryo to maintain. | + | * '''No [[Corpus Luteum - Anatomy & Physiology|corpus luteum]]''' remains, as there is no developing embryo to maintain. |
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| == Oviposition == | | == Oviposition == |
| * Expulsion of the egg | | * Expulsion of the egg |
− | * Contraction of the [[Exotics_-_Anatomy_of_the_Female_Reproductive_System_-_Anatomy_%26_Physiology#Vagina|Uterine shell gland (Vagina)]] with relaxation of abdominal muscles. | + | * Contraction of the [[Avian Female Reproductive System#Vagina|Uterine shell gland (Vagina)]] with relaxation of abdominal muscles. |
| * Minutes to hours | | * Minutes to hours |
| ** Cuckoos lay their eggs in seconds so they can get away before the host returns. | | ** Cuckoos lay their eggs in seconds so they can get away before the host returns. |
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| == Post-Lay == | | == Post-Lay == |
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| * Enters a non-breeding state whilst incubating and caring for the brood. | | * Enters a non-breeding state whilst incubating and caring for the brood. |
− | * Resting ovary appears shrunken, similar to the juvenile [[Exotics_-_Anatomy_of_the_Female_Reproductive_System_-_Anatomy_%26_Physiology#Ovary|ovary]]. | + | * Resting ovary appears shrunken, similar to the juvenile [[Avian Female Reproductive System#Ovary|ovary]]. |
− | * [[Exotics_-_Anatomy_of_the_Female_Reproductive_System_-_Anatomy_%26_Physiology#Oviduct|Oviduct]] regresses into an inconspicous, narrow tube. | + | * [[Avian Female Reproductive System#Oviduct|Oviduct]] regresses into an inconspicous, narrow tube. |
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| + | [[Category:Avian Reproduction]] |
| + | [[Category:Bullet Points]] |