Difference between revisions of "Camelid Pregnancy Diagnosis - Anatomy & Physiology"
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| Line 30: | Line 30: | ||
== Rectal Examination == | == Rectal Examination == | ||
| − | * Manual palpation of the uterus through the rectal wall. | + | * Manual palpation of the [[Female_Reproductive_Tract_-The_Uterus_-_Anatomy_%26_Physiology|uterus]] through the rectal wall. |
* Impractical for smaller females. | * Impractical for smaller females. | ||
* Will cause undesirable stress to the female. | * Will cause undesirable stress to the female. | ||
== Foetal Heartbeat == | == Foetal Heartbeat == | ||
Revision as of 15:00, 31 July 2008
Rejection Behaviour
- Rejection of the male usually indicates that conception may have taken place.
- Not very reliable, since a persistent corpus luteum will also cause rejection.
- A persistent corpus luteum may cause continued rejection by a non-pregnant female.
Ultrasound Scanning
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.
- Possible only a few days after conception.
- For early scans, a rectal probe must be used.
- Rarely practiced because the procedure causes much stress to the female, which is undesirable if she is pregnant.
- More commonly scanned using a transabdominal probe from ~28 days onwards.
Blood Testing
- Blood tests to measure progesterone concentration.
- Level of progesterone required to maintain pregnancy varies.
- Cria have been born to dams with very low plasma progesterone concentrations.
- Variability makes blood tests unreliable.
Rectal Examination
- Manual palpation of the uterus through the rectal wall.
- Impractical for smaller females.
- Will cause undesirable stress to the female.