One way or another (road accidents, baiting, lamping, snaring, shooting) the UK already kills a large proportion of its badgers.
Badger culls kill scientific honesty
October 15th, 2013
By Lesley Docksey
In the first of a three part analysis of the ongoing UK badger cull Lesley Docksey examines current and historical data and concludes that the government are simply ignoring the science of epidemiology..........
A badger would have to stand in front of a cow’s lowered head and sneeze up its nostrils
One always knows that when government Ministers resort to defending Ministry policy in the local press, they are losing the argument with Joe Public.
So it was no surprise to read in the Gloucester Echo justifications for the unpopular badger cull as written by Owen Paterson, Minister for the Environment– he who loves England’s green and pleasant land so much that, among other environmentally friendly practices, he sees climate change as a business opportunity, and wholeheartedly supports fracking and GM crops. And his arguments for killing badgers are, as ever, less than scientific.
It is true that in some areas of the UK bovine TB is one of a farmer’s worst fears. It means the loss of valuable animals, particularly when a milk herd is the result of many years of careful breeding, and inadequate compensation from the government does not make up for that emotional and financial devastation.
One can understand the farmers’ desperation and desire for the authorities to “do something”. But why does the solution always have to be sought outside the problem? And why must the answer be “kill something”? In this case, badgers, which are blamed for the entirety of the TB problem in cattle, even though other wild animals are carriers of the disease as are cattle themselves.
In 2007, after 10 years of study overseen by the Independent Scientific Group of both cattle and badgers, along with a comprehensive trial culling of badgers (commonly known as the Krebs study) the report summary stated that “The ISG has concluded that, although badgers contribute significantly to the cattle disease in some parts of the country, no practicable method of badger culling can reduce the incidence of cattle TB to any meaningful extent, and several culling approaches may make matters worse.
The ISG also concluded that rigidly applied control measures targeted at cattle can reverse the rising incidence of disease, and halt its geographical spread.” When such measures were put in place, they did indeed reduce bovine TB.
The study found that, although culling produced a reduction of TB in cattle of around 25% in the centre of the cull area, reducing to 16% on the edges of the area, infected badgers fleeing from the cull could introduce the disease to TB-free farms outside the cull area.
But as Somerset County Councillor Mike Rigby pointed out, the study “did suggest that where 70% of badgers in a local area are removed, TB in cattle may be reduced by up to 16%. So, that looks like culling may be of some use, doesn’t it, even if marginal? But what these bald figures hide is that this does not represent a 16% reduction in absolute terms but a 16% reduction in the trend increase” – a reduction so marginal as to be totally ineffective.
The study’s sensible conclusion was that an ineffective reduction of the disease in one area was more than nullified by causing new cases elsewhere. It was for this reason they said that efforts to tackle the disease in the cattle would have more effect.
One would think that was clear enough – but not for this government, who are fond of killing wildlife. With many farmers and the National Farmers Union clamouring for action, Defra announced plans for pilot badger culls in Somerset and Gloucestershire, regardless of public protest, scientific studies and objections from wildlife organisations.
The government said science was on its side. Ignoring cattle control measures, it pointed to the fact that the Chief Scientific Advisor Sir David King had said, after the publication of the Kreb study, that culling badgers was the "best option available at the moment to reduce the reservoir of infection in wildlife".
It insisted that marksmen shooting free-running badgers would be more effective that the ‘cage and shoot’ method followed by the previous trial despite evidence that the disturbance of badger populations would be greater. But…
For a start, culling badgers only makes sense if badgers were the sole source of bovine TB, which they are not; nor do we know precisely how badgers infect cattle. A government review of available evidence said that data confirms “the largely respiratory nature of the disease in both animals and suggest that aerosol transmission is a potential major route for inter-species infection”.
Put in simple English that means that a badger would have to stand in front of a cow’s lowered head and sneeze up its nostrils. Or, of course, vice versa, because it is more than possible that cattle are infecting the badger population, particularly when one remembers that the estimated UK badger population is between 220,000 and 288,000, while in 2012 the cattle numbered 9.7 million.
Further, a study that confined 8 calves with badgers infected with bovine TB did find that the calves showed signs of infection – after 6 months of being continually in contact with the badgers. The conclusion was that badger-to-cattle infection was possible, but not ‘particularly efficient’. No one has bothered to repeat this experiment – I can’t think why.
Badgers also appear to ‘manage’ TB within their population, being able to be infected without progressing to major illness. In fact, badgers are far more likely to die from being run over by cars than from TB. An estimated 40,000-50,000 die each year in road accidents and, despite police doing what they can to stop this illegal activity, a further 10,000 are estimated to die from forms of badger baiting. ‘Lamping’ (shooting at night), snaring, poisoning and damaging the badger setts, all of which are illegal, account for yet more badger deaths. One way or another, man is already killing perhaps a quarter of our entire badger population every year.
Supporting the possibility that the problem is cattle-to-cattle infection are some figures from Hampshire. A short time ago, knowing that Paterson has every intention of rolling out a programme of badger culls across the country, Hampshire County Council voted to ban any culling on Council-owned land (this would effectively block any cull in Hampshire, as all landowners within a cull area have to agree to the cull). Although incidents of TB in cattle there are low, they are increasing year by year, from only 7 cases in 2009 to 33 in the first half of this year, and no TB has been found in the badger population.
Further, there are cases of cattle with bovine TB on the Isle of Man, an island where no badgers are present. In Ireland where in some areas they have culled badgers to the point where they are extinct, those areas still show high levels of bovine TB. If badgers can’t be blamed, what can? We had almost eradicated the disease yet now it is on the increase. What has changed?
We started importing continental cattle, particularly bulls. Had our herds built up a greater immunity to bovine TB than those? We started to grow and feed maize to cattle; it became an important part of their diet. Maize is deficient in selenium and Vitamin E, both essential for a good immune system. Farmer Dick Roper found that his soil was also deficient. He provided mineral licks containing selenium and Vitamin E for both badgers and cattle and eradicated TB on his farm. Another farmer, George Pearce, kept his farm TB-free for years by very strict movement controls, thorough cleansing of livestock buildings, good ventilation and double fencing on all boundaries to prevent cattle in adjoining fields from exchanging saliva.
It is time to address the fact that it is the cattle that are the major source of this disease and, failing all the above, the cattle that need vaccinating. Some suggest that we vaccinate the badgers. The difficulty of trapping all the badgers in order to vaccinate them would make it an expensive operation and would, again, be highly disruptive, with the possibility of infected badgers moving into other areas. Cattle on the other hand are a captive population.
There has always been resistance among farmers, the NFU and Defra to vaccinating the cattle – too expensive and we don’t have an effective vaccine, they cry. But testing milk herds for TB is expensive. Compensation is expensive. The badger cull is expensive.
I suspect that the main reason for being so reluctant to explore this route is that it would point the finger back at the cattle and the way they are managed, for if one thing has been demonstrated, it is that better management of herds and much tighter control of cattle movements around the country and through cattle markets has a real effect on cutting the incidence of disease.
On vaccination the official stance is “… that at present it is impossible to distinguish between a BCG-vaccinated and TB-infected cow. And for this reason it is currently illegal under EU law to vaccinate cattle with the BCG jab. Work is underway to devise a DIVA test - a test that can Differentiate between Infected and Vaccinated Animals. But even when this has been fully developed, it will need to go through EU and international approval.”
This, they say, will take ten years, and in the meantime badgers are infecting our cows. But they have had years to pursue this route and they haven’t. Or have they? For in May this year researchers from the Animal Health and Veterinary Laboratories Agency announced they had developed a DIVA test. Was that greeted with cheers from Defra? No. Owen Paterson and others went on insisting that killing badgers was the only option. But Paterson has a short and very selective memory.
In 2005 he went to the United States and travelled to various places, learning how the US was coping with its bovine TB problem (and they do at least recognise that deer as well as badgers are carriers). When he came back, head stuffed full of enthusiasm and science, he wrote a long article for the Farmers Weekly, titled “Owen Paterson MP visits the USA to discuss Bovine TB policy”. And in it, having given extensive descriptions of the wonderful science being carried out, he writes this:
“The old chestnut of vaccinating cattle leading to the difficulty of identifying vaccinates and non vaccinates has been resolved either by gamma interferon which can be targeted at antigens not in the vaccine, or by PCR as MPB70 is not in the vaccine.”
The old chestnut? If American scientists had already solved this one in two different ways over eight years ago, then the lack of a DIVA test is no excuse. Why are Defra, Paterson, the NFU and some farmers so insistent that the only way to prevent disease in cattle is to kill badgers? Councillor Mike Rigby has an answer. He lives in rural Somerset and represents farmers in the Somerset cull area. Being doubtful about the efficacy of the cull he did his own research resulting in a summing-up which comes to this sad conclusion:
“Having researched the issue extensively over the last 2 weeks it seems clear to me that the badger cull has nothing to do with trying to tackle TB. This would appear to be supported by the fact that many of the cull proponents now seem to be promoting alternative arguments in favour of reducing badger population: they’re eating all the hedgehogs, they kill ground-nesting birds, they undermine our land etc. And there lies the nub of it in my view. Badgers are seen by many farmers as a pain and they would dearly like to have fewer of them digging away on their land. The case for culling to address TB is so weak I can see no other explanation.”
England had and still has a long and sorry history of killing badgers, so horrifically described in John Clare’s poem The Badger. Nothing changes, does it?
Lesley Docksey is a freelance writer and contributes articles to websites with international reach on issues of war, peace, politics and the environment.
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