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| − | {{review}}
| + | <big><center>[[Reproductive System|'''BACK TO REPRODUCTIVE SYSTEM''']]</center></big> |
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| − | == Rejection Behaviour ==
| + | <big><center>[[Reproductive_System#Camelids_.28LLamas_.26_Alpacas.29|'''BACK TO CAMELIDS''']]</center></big> |
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| − | * Rejection of the male usually indicates that conception may have taken place.
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| − | * Not very reliable, since a persistent corpus luteum will also cause rejection.
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| − | ** A persistent corpus luteum may cause continued rejection by a non-pregnant female.
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| − | == Ultrasound Scanning ==
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| − | Ultrasound scanning is the most reliable method of diagnosing pregnancy and can be highly accurate. However, ~10% of established pregnancies fail, so a positive scan will not guarantee live cria.
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| − | * Possible only a few days after conception.
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| − | * For early scans, a rectal probe must be used.
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| − | ** Rarely practiced because the procedure causes much stress to the female, which is undesirable if she is pregnant.
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| − | * More commonly scanned using a transabdominal probe from ~28 days onwards.
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| − | == Blood Testing ==
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| − | * Blood tests to measure progesterone concentration.
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| − | * Level of progesterone required to maintain pregnancy varies.
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| − | ** Cria have been born to dams with very low plasma progesterone concentrations.
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| − | * Variability makes blood tests unreliable.
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| − | == Rectal Examination ==
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| − | * Manual palpation of the [[Uterus - Anatomy & Physiology|uterus]] through the rectal wall.
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| − | * Impractical for smaller females.
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| − | * Will cause undesirable stress to the female.
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| − | == Foetal Heartbeat ==
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| − | * Specialist listening devices such as 'Sonicaid' can detect a foetal heartbeat from ~10 weeks of gestation.
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| − | * 80-90% accurat if used at ~10 weeks.
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| − | * Becomes more difficult as the foetus enlarges and slides down into the abdomen.
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| − | [[Category:Camelid Reproduction]]
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| − | [[Category:Bullet Points]]
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