
Kythe Mackenzie
Veterinary Investigation Officer at SRUC (Scotland's Rural College); farm animal veterinarian specializing in livestock health and welfare
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Jun 26, 2026
Changing the Mark: New Technology in Lamb Marking
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Kythe MackenzieGUEST
So tail docking is mainly done to reduce the risk of a condition called fly strike, which is a really significant welfare issue.

Kythe MackenzieGUEST
It's caused by certain species of flies that land and lay eggs on the sheep in the fleece that hatch and develop into our friends, the maggots that then cause all the associated problems.

Kythe MackenzieGUEST
And it's well known that they are will be attracted to areas of wool that have got fecal soiling on them.

Kythe MackenzieGUEST
So obviously where the tail is an area that is commonly you will get more fecal attraction if you've got a longer tail.

Kythe MackenzieGUEST
So it's done to reduce that risk of fly strike and should be done alongside other sensible management procedures like dagging, so to removing excess soiled wool, crutching, keeping the wool round that back end short, and certainly also Control of parasites is really important because we know that if you have liquid feces compared to solid ones, then actually the risk of fly strikes unfolded by eight and a half, nine times more likely to happen.

James OrrHOST
So specifically talking about Scotland, what are the legal requirements that farmers need to be aware of when considering doing these procedures?