A condition that makes dogs suffer pain in their tails is more common than previously thought and, strangely, seems to affect dogs the further north they live.
Researchers at Edinburgh University have looked in to the causes of the illness, known as limber tail, which mostly affects larger working dog breeds, such as Labradors.
The scientists say their findings are the first step towards preventing the distressing condition, which causes the tail to become limp and painful.
The studiers compared 38 cases of limber tail that were identified from owners’ reports about their dogs’ health with 86 dogs that had no tail symptoms.
“We were surprised by how many owners were reporting limber tail to us but it meant we had the chance to do a detailed investigation.”
Their goal was to gain insight into habits and lifestyle factors that might explain why some dogs are affected and not others.
The majority of dogs in the study were pets but those affected by limber tail were more likely to be working dogs, they found.
Risk factors
Swimming has previously been thought to be a risk factor for limber tail, which is sometimes known as ‘swimmers’ tail’. Some but not all of the affected dogs had been swimming prior to the onset of symptoms, the study found.
Dogs with the condition were more likely to live in northern areas, lending support to anecdotal reports that limber tail is associated with exposure to the cold.
Genetics
Labradors that had suffered limber tail were more likely to be related to each other than unaffected dogs, which may indicate an underlying genetic risk.
Experts hope that further studies will identify genes associated with the condition, which could one day help breeders to identify animals that are likely to be affected. Over time, this could help to reduce the disease prevalence.
The symptoms usually resolve within a few days or weeks so many cases are not reported to vets. This may be why it has been so underestimated in the past. However, owners report that it can be very painful and distressing for the animals.
We have been able to add evidence to a lot of internet speculation about risk factors and the new findings relating to geographical region and family links give us avenues to pursue in understanding and avoiding the condition.
The study is the first large-scale investigation of limber tail and was conducted as part of the Dogslife project, which follows the health and wellbeing of more than 6000 Labradors from across the UK.
The study, published in the Veterinary Record, was funded by the Kennel Club Charitable Trust. The Roslin Institute receives strategic funding from the Biotechnology and Biological Sciences Research Council.
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