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Vaccinating badgers against TB

Thursday 7 June 2012, 13:30

Steve Peacock Steve Peacock Archers agricultural advisor

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Steve Peacock on badger patrol

Ed Grundy is learning how to vaccinate badgers against TB. Steve Peacock explains why.

As early shifts go, this wasn't bad. Four o'clock on an August morning saw me driving from Birmingham to a village in the Cotswolds, to join a group from Gloucestershire Wildlife Trust as they set out to inspect badgers in the cage-traps they'd set the night before.

Why would an organisation which uses the badger as its emblem be catching the animals in traps?

This is all to do with bovine tuberculosis - an infectious disease which was once well-controlled in Britain but is now rife in cattle on the western side of England and in Wales. It causes a great deal of inconvenience and misery to farmers and has cost taxpayers £500 million in the past ten years. 25,000 cattle were slaughtered in 2010 as part of the Government's disease control strategy.

Ambridge has not been spared. The disease has affected three farms there - Brookfield, Grange and Willow Farm.

Badgers to blame?

Badgers (and other mammals) can also be infected by the bacterium M. Bovis, which causes the disease, and infection spreads easily once it gets into a herd. Most of the efforts to control the disease are focussed on cattle and biosecurity on farms. But, because it can also be passed from badgers to cattle and vice versa, farmers have long campaigned for badgers to be culled as well.

In England, Defra has approved pilot badger culls in Gloucestershire and Somerset. This decision is currently subject to a legal challenge but the Government hopes to go ahead in the Autumn.

Shoot or jab?

In Wales, a decision to cull was reversed earlier this year. Badgers will now be vaccinated against the disease instead. Farming unions were - and are - furious. They say that while there may be a place for vaccination, it is no substitute for culling badgers in areas where the disease is rife in both cattle and the wildlife.

But the decision by a group of farmers in Ambridge to invest in a badger vaccination programme should not be viewed in that context. Even if the pilot culls in England are successful and rolled out to other areas, Ambridge would not be included because it is not in a bovine TB "hotspot", despite past outbreaks there.

So their vaccination programme is not an alternative to culling. It is the only option that could be directed at badgers.

Defra has been experimenting with vaccination for a number of years. But outside official circles it was Gloucestershire Wildlife Trust who were ahead of the game, and they have published a detailed report on their experiences. Which is why I went to the Cotswolds to see how it was done.

Clippers at dawn

The vaccinators are all trained by FERA - a Defra agency (this is the course that, in The Archers, Ed is attending). They set the cage traps in the evening and bait them with peanuts. At dawn they'll visit all the traps and inject the badgers with the same BCG vaccine as is used on humans.

They'll mark them by shaving a patch with electric clippers and spraying a dye. This is so if they catch the same animal twice they'll know not to give it another dose. Then they set the badger free and it scuttles off at speed to its sett. By law, because badgers are nocturnal, it must all be done before 8 am.

This must be repeated every year for five years. The chances of success are debatable but for farmers outside cull areas it's got to be worth a punt.

Steve Peacock is The Archers agricultural adviser

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  • rate this

    Comment number 1.

    I have never understood why cattle are not inoculated - surely easier as you know just where they are and can catch them easily.
    What effect would inoculation have on a badger which already has, or is carrying the disease?

  • rate this

    Comment number 2.

    A very fair questions. Steve Peacock writes:

    Vaccinating cattle against bTB seems an obvious solution, but there are currently many political and scientific hurdles. It is extremely complicated but in crude headline terms:

    There isn't yet an effective vaccine which doesn't interfere with the results of tests for bTB;

    There is no legislation to compel farmers to vaccinate;

    EU legislation would need to be changed to allow vaccination - which would be difficult.

    It may happen but there's an awful lot of work to be done before it can.

  • rate this

    Comment number 3.

    All this talk about btb and nothing said about slurry.Farmers spread contaminated slurry which btb lives in for up to six months,then graze the fields before its safe to do so.
    Defra reconise this in the information they send out to farmers,but nowhere is it mentioned!.The programe writers seem to be biased towards the cull I strongly disagree with it. I am not a city dweller .

  • rate this

    Comment number 4.

    In the US we spread anti-rabies meds for raccoons, so why not try something with badgers instead of culling them? Seems to me that they will kill the healthy ones along with the sick ones.

  • rate this

    Comment number 5.

    I am all for a cull and can understand the feelings of the farmers .They must accept the destruction of their cattle yet stand by whilst the animal rights groups see that badgers are handled with 'velvet gloves ' and vaccinated .... It really is a hit and miss system costing a great deal and for what ? Would rabied animals be protected ? TB is a ghastly killer too.

  • rate this

    Comment number 6.

    During the 1990's I was a, very privileged member of a group looking into the way in which TB in cattle and badgers should be addressed. It was my understanding, then and now, that it all comes down to money. Pennies to inoculate each cow but, times that by thousands of beasts and add in the farming fraternity, the government, DEFRA and the farming unions and you have stalemate !
    In certain parts of the UK TB exists in badgers but not in cattle, in others it is the opposite. Why ??
    The little striped ghosts of the night are easy targets so take the easy option, at least inoculation is not death, enough die on the roads every year as it is.
    Is cattle movement controlled properly ? Are we aware that vectors may be present whel animals are moved from county to county, country to country ?
    Level heads are what are needed here not knee jerk " towny type attitudes " , this is both for the future of our farms and our wildlife. Money should not come into it, should it ?
    Well done Archers for biting the bullet and dealing with inoculation of badgers, because, as I said previously, the farming side will never entertain the perceived cost of injecting each individual cow. This should have been dealt with 40 years ago. . . . . .


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