To vaccinate or not, that is the question for horse owners

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red-zoneMost horses in Britain will come into contact with equine influenza during their lifetime, and a veterinary student is seeking to find out why some horse owners don’t vaccinate against the illness.

Equine flu – or horse flu – is endemic in the UK, and can leave the animals open to more severe secondary infections leading to pneumonia or even death. About 85 per cent of all horses in the country need to be vaccinated to protect the national herd stock. But evidence from recent outbreaks suggest that some owners are failing to adequately protect their horses.

A research project led by Will Bambra, an undergraduate student in the University’s School of Veterinary Medicine and Science at The University of Nottingham is aiming to uncover why some horse owners choose not to vaccinate their animals against the potentially-fatal illness.

Will Bambra
Will Bambra

“In the UK, equine flu is quite a severe disease and when outbreaks do occur they can have a serious impact on horse communities,” Bambra said.

“If vaccination rates fall below the 85 per cent mark, it increases the chances of widespread infection.”

Bambra is asking owners to anonymously complete a short online survey with several questions exploring the factors that would have a bearing on their decision to vaccinate their animals as well as assessing their understanding of the impact of equine flu.

Horse flu is caused by various strains of the influenza flu, similar to the flu virus that affects people. As with the human version, equine flu is very contagious.

It causes a raised temperature lasting up to ten days, a harsh, dry cough that can persist for several weeks, clear or white discharge from the nose, enlarged lymph nodes in their throat, depression and loss of appetite.

Horses affected by equine flu should be given complete rest and ideally not strenuously exercised until at least two weeks after they have made a full recovery.

In horses with a compromised immune system – which may be due to age, stress, illness or over exercise – severe secondary infection can occur.  These cases are characterised by a thick yellow or green nasal discharge and a very high temperature and can lead to pneumonia or in severe cases can be fatal.

Vaccination, followed by an annual booster – which can cost in the region of £40 to £60 – offers protection to horses from the disease. Vaccination for racing and some competitions is compulsory. However, for horses who are companion animals or used for leisure riding, it is entirely the owners’ choice whether to immunise their animal.

“We are interested in assessing which factors are influencing owners when making their decision. Is it the financial outlay which is having an impact or could it be that the owners’ perception is that the illness is not a serious risk to their animal’s wellbeing?” Bambra said.

As part of his research, Bambra is also conducting an analysis of the results of previous studies into horse flu in order to identify any trends in the data.

Horse owners are urged to assist with the research by completing the online survey which will be live until October.

One thought on “To vaccinate or not, that is the question for horse owners

  • August 24, 2016 at 10:47 am
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    I was given once a lecuture by a doctor and I asked him.. how long does a childs immune system fully develop..well he said 6 yrs and I said no, more than that. If we are going to pump vaccinations into kids systems that are just developing and don’t even have a chance of getting some resistance then what do we have..

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