With the increase in popularity of summer rape crops for lamb grazing this condition is becoming a hardy annual.
It occurs when brassica crops such as rape are fed in the immature state.
Rape should be fed when the leaves have developed a slight blue tinge and then only for ½ - 1 hour at a time until lambs become used to it.
The first sign of rape scald is usually thickening of the ears so that they become floppy.
This thickening can sometimes extend down the neck and midline of the back.
Recovery is rapid when lambs are taken off the crop and put into shade.
Severe cases can be put in a darkened woolshed and allowed out at night for feed and water.
Sheep Newsletter - Feb 2012
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