Because it occurs on a large scale every year, habitual abortion is one of the most important threats to the goat industry. On some farms, up to 50% of the goats may have aborted in the past.
Habitual abortion is caused by chronic overactivity of the doe’s adrenal cortex. It is closely associated with stress abortion, which is usually due to feed disturbance, causing blood sugar levels to drop.
In feed-stress abortions, apparently normal, well-developed kids are expelled after the 90th day of pregnancy.
Abortion due to the doe’s overactive adrenal cortex shows signs of oedema (unnatural collection of fluid) in the foetus. The heart rate is slow and heart failure occurs.
There are two ways of bringing the problem under control: cull habitual aborters and avoid selecting for excessive quantities of fine hair.
The latter could lead to increased susceptibility to abortions.
To control stress abortions, provide good quality feed of the required quality to gestating does. be the culprit.
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