Oestrus Behaviour - Anatomy & Physiology - Revision history

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2012-07-05T13:44:21Z

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2011-09-06T16:42:50Z

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Bara at 18:57, 1 December 2010

2010-12-01T18:57:34Z

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← Older revision		Revision as of 13:44, 5 July 2012
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	}}		}}
	[[Category:Reproductive Behaviour]]		[[Category:Reproductive Behaviour]]
		+	[[Category:Bullet Points]]

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 {{Learning
-|flashcards = [[Equine Reproduction and Stud Medicine Q&A 15]]
+|flashcards = [[Equine Reproduction and Stud Medicine Q&A 15]]<br>[[Equine Reproduction and Stud Medicine Q&A 16]]
 }}
 [[Category:Reproductive Behaviour]]

← Older revision		Revision as of 16:39, 6 September 2011
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	* Slight mucoid vulval discharge.		* Slight mucoid vulval discharge.

		+
		+	{{Learning
		+	\|flashcards = [[Equine Reproduction and Stud Medicine Q&A 15]]
		+	}}
	[[Category:Reproductive Behaviour]]		[[Category:Reproductive Behaviour]]

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 * Oestrous detection is a problem because mares not in oestrus can cause significant damage to a stallion.
-* May be a slight [[Oedema - Pathology|oedema]] of the vulva and a mucoid discharge.
+* May be a slight [[Oedema|oedema]] of the vulva and a mucoid discharge.
 * Generally mares return to oestrous about 6-10 days after foaling.
 ** Called a ''''foal heat'''' because often the foal develops [[Diarrhoea|diarrhoea]] at this time, which makes the oestrus easy to detect.
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 ** Deviation of the tail
 ** Discharge becomes paler in colour
-** Reduction in vulval [[Oedema - Pathology|oedema]]
+** Reduction in vulval [[Oedema|oedema]]
 * Poor relationship between time of [[Ovulation - Anatomy & Physiology|ovulation]] and external appearance.

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 === Aids to Improve Oestrus Detection ===
-For methods of oestrous synchronisation and oestrus induction click [[Oestrous_Cycle_-Pharmacological_Manipulation_of_Oestrous_Cycles_- Anatomy & Physiology|here]].
+For methods of oestrous synchronisation and oestrus induction click [[Oestrous Cycle Pharmacological Manipulation - Anatomy & Physiology|here]].
 ==== Tail Paint ====

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 ==== Ultrasound ====
-* Detection of a [[Follicles - Anatomy & Physiology|'''follicle''']] and absence of a [[The_Ovary_-Corpus_Luteum_- Anatomy & Physiology|'''corpus luteum''']] by palpation or ultrasound examination of [[Ovary_- Anatomy & Physiology|ovaries]].
+* Detection of a [[Follicles - Anatomy & Physiology|'''follicle''']] and absence of a [[Corpus Luteum - Anatomy & Physiology|'''corpus luteum''']] by palpation or ultrasound examination of [[Ovary_- Anatomy & Physiology|ovaries]].
 * Demonstration of follicle size, follicle wall thickening and follicle wall softening on ultrasound.

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 * In dioestrus, the [[Cervix_- Anatomy & Physiology|cervix]] and [[Vagina and Vestibule - Anatomy & Physiology|vagina]] are pale pink and mucus is scanty and sticky.
 * During oestrus, there is a gradual increase in vascularity of the genital tract and relaxation of the [[Cervix_- Anatomy & Physiology|cervix]] with dilation of the cervical os.
-* Approaching [[The_Ovary_-_Ovulation_- Anatomy & Physiology|ovulation]], the [[Cervix_- Anatomy & Physiology|cervix]] becomes very relaxed and its protrusion can be seen on the [[Vagina and Vestibule - Anatomy & Physiology|vaginal]] floor.
+* Approaching [[Ovulation - Anatomy & Physiology|ovulation]], the [[Cervix_- Anatomy & Physiology|cervix]] becomes very relaxed and its protrusion can be seen on the [[Vagina and Vestibule - Anatomy & Physiology|vaginal]] floor.
 ** [[Cervix_- Anatomy & Physiology|Cervical]] folds are oedematous
 * [[Vagina and Vestibule - Anatomy & Physiology|Vaginal]] folds glisten with clear lubricant mucus.
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 ** Reduction in vulval [[Oedema - Pathology|oedema]]
-* Poor relationship between time of [[The_Ovary_-_Ovulation_- Anatomy & Physiology|ovulation]] and external appearance.
+* Poor relationship between time of [[Ovulation - Anatomy & Physiology|ovulation]] and external appearance.
 === Clinical Methods and Assessments for Oestrus Detection ===
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 * Assessment of [[Vagina and Vestibule - Anatomy & Physiology#Histology_and_Innervation|vaginal epithelial cells]]
 * Examination of the appearance of the [[Vagina and Vestibule - Anatomy & Physiology|vaginal]] wall.
-* Measurement of plasma progesterone concentration (detecting a rise in progesterone that preceeds [[The_Ovary_-_Ovulation_- Anatomy & Physiology|'''ovulation''']] in this species).
+* Measurement of plasma progesterone concentration (detecting a rise in progesterone that preceeds [[Ovulation - Anatomy & Physiology|'''ovulation''']] in this species).
 ----
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 == Queen ==
-* Oestrus detection is important, for although the queen is an '''induced ovulator''' (thus [[The_Ovary_-_Ovulation_- Anatomy & Physiology|'''ovulation''']] will not be missed), the LH response to mating decreases with each day of oestrus and [[Follicles - Anatomy & Physiology|'''follicles''']] ultimately regress.
+* Oestrus detection is important, for although the queen is an '''induced ovulator''' (thus [[Ovulation - Anatomy & Physiology|'''ovulation''']] will not be missed), the LH response to mating decreases with each day of oestrus and [[Follicles - Anatomy & Physiology|'''follicles''']] ultimately regress.
 * '''Proestrus''' is short and often unnoticed.
 * Oestrus is characterized by increased [[Attractivity Behaviour - Anatomy & Physiology#Auditory_Signals|vocalization]],rubbing and rolling.

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 * Queen is more active and will seek the tom.
 * Stands to be mated by lowering her front quarters and extending her hind legs.
-* Demonstrates [[Reproductive_Behaviour_-_Receptivity_Behaviour_- Anatomy & Physiology|lordosis]]
+* Demonstrates [[Receptivity Behaviour - Anatomy & Physiology|lordosis]]
 * Tail erect and held to one side.
 * Slight mucoid vulval discharge.
 [[Category:Reproductive Behaviour]]

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 * Mare will stand as if to urinate, lift her tail and lean her hindquarters toward the stallion.
 * Mare repeatedly exposes her clitoris ('winking')
-* If the mare is in oestrus, the stallion usually demonstrates a [[Reproductive_Behaviour_-_Pre-copulatory_Behaviour_- Anatomy & Physiology#Flehmen_Response|Flehmen response]].
+* If the mare is in oestrus, the stallion usually demonstrates a [[Pre-copulatory Behaviour - Anatomy & Physiology#Flehmen_Response|Flehmen response]].