THE ANIMAL health agency APHA and levy board AHDB are urging livestock producers across the country to submit lambs with suspected Schmallenberg virus (SBV) for post-mortem examination as the number of confirmed cases continues to grow.
Lambing flocks across the country have experienced higher than normal losses from deformed lambs with the disease so far confirmed in the South West, South East, Wales and the North East. Early calving herds have also experienced calves affected with congenital defects.
When Schmallenberg was first identified in 2011, vets noted that infected animals appeared to gain resistance after contracting the disease, however, vets have expressed concern about levels seen this year. SBV is transmitted by midges which infect sheep, cattle and goats when they bite. Infected cattle sometimes show symptoms of infection, including diarrhoea and fever, but some infected animals show no symptoms at all. If infected in the earlier stages of pregnancy, lambs and calves can be born with severe malformations that can make delivery very difficult, particularly in those with rigidly fixed limbs that may cause damage to the birth canal.
In their appeal, APHA and AHDB noted that the virus can also reduce growth and milk production in infected animals. The first Schmallenberg case in the UK was confirmed in January 2012 and there is currently no vaccine available; any infection present on farm now will have taken place last year and there is nothing that can be done to alleviate issues at the moment.
A spokesperson for the levy board and the agency said, “We have already heard of a number of cases and mainstream lambing and calving is only just starting. However, the Animal and Plant Health Agency (APHA) hasn’t received many samples so the true extent of the problem is not understood. Farmers and vets are being urged to be vigilant through the lambing and calving period. It is very important that, if producers encounter lambs or calves with deformities, they contact their vets so post-mortem examination can be carried out to establish whether Schmallenberg is the cause.
“When APHA suspects SBV they will fund the testing for SBV. Test results, whether negative or positive, allow you to confirm or rule out specific disease issues in that animal and potentially in the wider herd/flock, so there is value to the individual farm in investigation.
“At present there is no vaccine available and it is already too late to vaccinate sheep that are due to lamb this spring or cows due to calve. However, there will be vaccine available this year and further details on when will be confirmed soon. Importantly we need to discover the true levels of the virus as this will determine activity later this year, which will seek to inform what action we need to take to protect against SBV going forward.”
Dr Simon Carpenter, head of entomology, at the Pirbright Institute, an international farm animal health research centre in Surrey said, “SBV is transmitted between ruminants by midges at a far higher rate than bluetongue virus and so spreads more quickly through farms. This might also mean that it can be transmitted effectively at lower temperatures and so extend the season during which the virus is a threat.”
Avian Influenza identified in poultry on Anglesey
THE CHIEF Veterinary Officer for Wales, Christianne Glossop has confirmed the presence of avian influenza H5N1 in a small backyard flock of chickens and ducks at a premises on the Isle of Anglesey.
A 3km and 10km Temporary Control Zone Area have been imposed around the small infected premises, to limit the risk of disease spread.
The risk to public health from the virus is considered to be very low and these cases do not pose a food safety risk for UK consumers.
A case of avian influenza was confirmed in poultry and wild birds in Wrexham County borough last month. There have been similar findings of avian influenza in the UK and Europe.
On Wednesday this week the Chief Veterinary Officers for England, Scotland, Wales and Northern Ireland agreed to bring in new housing measures to protect poultry and captive birds from avian influenza. These measures come into force on Monday, 29 November.
All keepers are strongly advised to be vigilant for signs of the disease such as increased mortality or respiratory distress. If keepers have any concerns about the health of their birds, they are encouraged to seek prompt advice from their veterinary surgeon.
The Chief Veterinary Officer for Wales, Christianne Glossop, said:
“This confirmation of a case of avian influenza in poultry on the Isle of Anglesey is further evidence of the need for all keepers of birds to ensure they have the very highest levels of biosecurity in place.
“We have announced new housing measures will come into force from next Monday to protect poultry and kept birds, but I must stress that this is at its most effective when combined with implementation of the most stringent biosecurity measures.
“Public Health Wales has said the risk to the health of the public from Avian Influenza is very low and the Food Standards Agency has made clear it does not pose a food safety risk for UK consumers.
“Temporary control zones have been imposed to help prevent further spread of the disease.
“Suspicion of avian influenza or any other notifiable disease must be reported to the Animal and Plant Health Agency immediately.”
No badger cull but bTB strategy change on cards
THE WELSH GOVERNMENT has ruled out controlling the spread of bovine TB through a targeted cull in areas where the disease is endemic.
A spokesperson confirmed the Welsh Government’s position ahead of the publication of a significant review of its TB eradication strategy.
The review, led by Professor Glyn Hewinson of Aberystwyth University, is likely to focus on cattle vaccination and the use of improved tests for TB bacteria in cattle.
False positives for BTB can only be detected after death by a post-mortem.
BOVINE TB DEVASTATES PEMBROKESHIRE FARMS
The persistence of the BTB bacteria in the soil and in the protected wild mammal population, particularly badgers, creates a perfect storm for farmers in our county.
The area around the shared borders of North Pembrokeshire, the Teifi Valley, and North West Carmarthen is a long-standing hotspot for the disease.
Farmers in that area have suffered disproportionate and repeated losses throughout the Welsh Government’s different approaches to eradicating BTB.
When the disease is detected in a herd, it is standard practice for all of it to be slaughtered. Although farmers are partly compensated for their loss, the loss of their stock leaves farmers with long-term problems for their business’s recovery.Herds’ loss and slaughter are linked closely to mental health problems among farmers and farming families. The cost of BTB is much greater than balancing profit and loss.
CURRENT PROGRAMME ISN’T WORKING
Local MS Sam Kurtz, who comes from a farming family, told The Herald: “Since the 1970s, bovine TB has been a dark cloud hanging over our agricultural industry
“While it may not have had the impact on the public’s psyche as the Foot and Mouth crisis had in the early 2000s, bovine TB has been a long and heavy burden on Welsh farmers, with over 20,000 cattle killed in the last 2 years.
“What the Welsh Government have in terms of a policy is the repetition of an outdated and inaccurate testing regime followed by stringent and debilitating restrictions on farmers.
“It is clear, from the latest data showing new bovine TB cases in Wales have risen by 3%, that the Welsh Government’s current eradication programme is simply not working.
“Throughout the pandemic, our farmers have worked 24/7 to keep food on our tables, despite being laboured with the stresses and concerns of routine TB testing.
“The industry is now desperate for some urgency and a change in strategy.
“A new testing regime, Enferplex, delivers superior accuracy than the current test.
“While it is being undertaken in small pockets of Wales, a dedicated pilot scheme of this new test to collect hard data must be a priority for this Welsh Government.”
The Enferplex Bovine TB antibody test identifies the presence of bovine tuberculosis. Used in conjunction with existing tests, it is far more accurate than current tests in validating positive diagnoses.
EFFECTIVE PROGRAMME MUST TACKLE ALL ASPECTS OF DISEASE
The FUW believes that any future changes to the bTB eradication programme should closely follow the science to develop an effective eradication programme covering all aspects of the disease in Wales.
An FUW spokesperson told us: “Bovine TB continues to suffocate businesses in the high and intermediate areas of infection in Wales and continues to have a significant detrimental effect on the mental health and well-being of our farmers and their families.
“September’s Quarterly Publication of National Statistics on the incidence and prevalence of tuberculosis in Cattle in Great Britain shows variable results, with no year-on-year change in the number of herds that are not TB free in the High West Area of Wales, and a 26% rise in the number of herds not TB free in the Intermediate North Area.
“Such results continue to devastate businesses that have made massive sacrifices
to comply with the Welsh Government’s costly and burdensome bovine TB eradication programme.
“The FUW welcomes further research on this devastating disease as part of a science led and pragmatic approach to TB control in Wales. We look forward to the publication of the next TB review and will be discussing the findings of the review at all relevant political and policy levels.”
NFU CYMRU: WELCOME REVIEW BUT URGE OPEN MIND ON CULL
NFU Cymru County Adviser for Pembrokeshire and Ceredigion, Peter Howells, said: “It is concerning to see the latest bovine TB statistics published by Defra that show a rise in bovine TB incidents and the loss of 10,775 animals in Wales to this dreadful disease in the year ending June 21. This once again highlights that bovine TB continues to wreak havoc on the cattle industry in Wales.
“In October 2017, we saw the Welsh Government introduce a regionalised approach to tackling the disease in Wales.
NFU Cymru is supportive of an approach that allows for the appropriate measures to be introduced depending on the circumstances.
In Low TB areas of Wales, we must do all we can to keep the disease out. In areas of the country, such as South West Wales, where the evidence suggests that both cattle and badgers suffer from this disease, we believe that the disease will only be brought under control through a comprehensive package of measures that tackles the infection in both populations.
“We continue to urge Welsh Government to take note of the evidence published from England. A peer-reviewed scientific report examining the effectiveness of badger culling in reducing outbreaks of TB in cattle has shown positive results in England.
“The Defra-commissioned report revealed an average reduction in the incidence of bovine TB of at least 40% in areas of England that have completed at least four years of culling.
“Just across the border in Gloucestershire, the report has shown a 66% decline in new TB breakdowns.
“NFU Cymru continues to use every opportunity to raise with the Minister for Rural Affairs our concerns for the emotional and financial impact this disease causes to farming families. Earlier this summer, we wrote directly to the First Minister on this matter.
“We are aware that the Minister has said she will make a statement on the TB programme later this autumn and that Professor Hewinson is currently carrying out an internal review of the programme. We are pleased that the Minister has asked someone of Professor Hewinson’s experience and expertise to carry out the review and we await with interest the publication of the review.”
WG: EVIDENCE OF CULL’S EFFECTIVENESS INCONCLUSIVE
A Welsh Government spokesperson said: “TB in cattle is a huge challenge for all concerned and distressing for farmers who have to deal with it in their herds. Part of the solution to the problem is people’s willingness to work together, both in Government and the industry.
“The Wales TB Eradication programme is built on co-operation, with three regional eradication boards working at a local level to ensure policies are developed collaboratively and communicated effectively.
“We have outlined in our Programme for Government we will not permit the culling of badgers as part of measures to deal with bovine TB.
“Recent scientific studies did not provide conclusive evidence that culling badgers alone would reduce incidence levels in cattle herds.
“It has been proven that more infection is transmitted within species than between species, which suggests that controlling transmission among cattle is a priority in the strategy for eliminating TB.
“When the Intensive Action Area (IAA) was established in 2010 with additional measures introduced into the High West TB area, 27.1% of herds were restricted due to TB control. At the end of June 2021, 14.5% of herds were restricted, constituting a decrease in herd prevalence between then and now of 46%.
“We are committed to undertaking a review of the current TB eradication programme, and we will announce a refreshed approach later this year.
“All aspects of the programme will be considered, and we will undertake a consultation in the Autumn to inform future policy.”
VACCINATION AND THE FUTURE
The irony is that a largely effective vaccine already exists.
The BCG vaccination given to humans is 70% effective when used to immunise cattle. The vaccine uses the TB bacteria to provoke an immune response. Once it’s used, however, tests cannot detect the difference between cattle successfully inoculated and infected cattle.
Therefore, vaccinating cows with BCG is banned in most countries, enabling vets to continue to use the PPD skin test to diagnose the disease in cattle.
Scientists at the University of Surrey believe they could have a solution to that problem.
By manipulating the disease’s genetic make-up, the scientists created a BCG-minus strain. They then developed a new synthetic skin test that, like existing tests, will be positive for animals that have been exposed to TB. Unlike those tests, however, the new test will show a negative result for animals that have been vaccinated with the BCG-minus strain.
Johnjoe McFadden, Professor of Molecular Genetics at the University of Surrey, said: “To control the spread of bovine TB, effective vaccination and accurate early diagnosis of the disease are critical. This new vaccine provides protection against bovine TB. It will help fight against this deadly disease that infects over 50 million cattle worldwide and is economically devastating to farmers.
“The next stage of our work will be to demonstrate that both synthetic skin test and BCG-minus vaccine works in cattle herds. If they do, then it will be possible to vaccinate cattle against TB yet retain the value of skin test for diagnosis.”
Ceredigion dairy farming family highlight benefits of knowing your farmer
KNOWING your farmer, being able to ask questions about their produce and how they look after the land is of paramount importance to Ceredigion dairy farming family the Thomas’s.
The third generation to farm at Pantfeillionen, Horeb, Llandysul, Ceredigion, are Lyn and Lowri Thomas. Lyn has been farming since he was 16 and celebrates just over 32 years in the industry this year.
The family looks after 170 acres and rents a further 100 acres, with the land down to grass. 70 dairy cows, a few sucklers and calves which get sold on as store cattle, call these green hills home.
Farming, the couple say, has changed a lot in the last few decades and the industry has moved with the times. The way forward for the family is to maintain the small-scale ethos of the family farm and connect on a personal level with their customers who buy raw milk directly from the farm.
Describing their farming system, Lyn says: “We do all our own silage and everything is done in house. We don’t use a lot of fertilizer, some yes, but we can’t use too much because of the nature of the ground. We’re farming on rock so that means we need to be careful otherwise our grass would burn on the south facing slopes.
“There’s not a lot of topsoil here so we have to use some fertilizer to keep the grass growing but usually no more than a bag an acre is used for silage with some slurry. We don’t go overboard with slurry. Slurry is restricted to about 1700-2000 gallons an acre.”
Lowri adds: “Our earth worm population is very healthy. We try to compost farm yard manure and like to keep it for more than a year, but of course with the new NVZ regulations that won’t be possible going forward. It’s better for the ground if it has been composted for 2 to 3 years but that’s a different story.
“We try and do things as sustainably as we can here, we don’t buy a lot of stuff in and try to grow what we need ourselves.”
The cows get fed some cake but most of it is milk from grass and silage in the winter, explains Lyn. “We look after our cows, if we don’t look after them -they won’t look after us. We see them every day and if something is wrong then it gets dealt with straight away.
“The foot trimmer comes in every six weeks, the vet is here monthly for a routine fertility visit where we can chat about the herd’s health at the same. We milk record monthly with NMR, this is when Johne’s testing is done, and we try to keep the cows as healthy as possible.
“The healthier our cows are, the more productive they are and that also hinges on the health of the environment around them,” he adds.
“We haven’t got a large herd, we know every cow, some even have names thanks to the kids. Because we milk them ourselves, we see them twice a day. They have little groups and we know which cow belongs to which group of friends.
“They have access to the sheds, all through the year, so they can go in and out as they wish over spring and summer. If they’re coming in we know that’s where they want to be. They have 2 safe places,” explains Lowri.
The family has started a raw milk by the bottle business, which customers can buy directly from the farm. It started with neighbours asking if they could buy some and after a bit of deliberations in 2018 they set up the business, registering with the FSA and local authority, and the ball was set in motion.
“Milk started being sold directly to customers in March 2019 on a small scale and low key way to help build the business up gradually. We know all of our customers, and didn’t install a vending machine on purpose.
“We want to know who our customers are and speak to them and it’s good for them to know who we are as well. It gives us a chance to explain how we farm and look after the environment and the cows.
“When Covid hit last year, people became more aware of where their food was coming from and what was around them.We picked up more customers through that as well. It’s absolutely fantastic and more and more people now look for local food products, conscious of where their food comes from and how it’s produced,” said Lowri.
Lyn is passionate about the ground that feeds his cows, understanding the direct link between the environment and the health and welfare of the cattle.
He says: “ We don’t push the land too much. We farm it sustainably, it gives enough grass for the cows but it’s not overstocked. We could keep more stock but then we’d need more fertilizer and more food for the cows. I’d rather not do that.
“We have about 0.8 cows per acre here, which is below average. But with more stock to feed, we’d have to reseed the grass more often.
“I haven’t reseeded a field here in 7 years and then it was only because it was old ground when we bought it. It’s still going and we have grass here that’s been going for 25 years. So that’s storing a fair bit of carbon.
“We aerate the fields, cut slots in to drain the water off and keep fertilizer application to a minimum – it all helps to maintain a healthy environment and soil that stores tonnes of carbon.”
“When the cows come in over the winter, we drip feed the fields with slurry. The first grazing here in March is excellent, the grass is ready to go because it’s been drip fed over the winter. We apply only a small amount every now and then and it works wonders. We’re therefore quite concerned about the NVZ regulations which won’t allow us to carry on looking after the land that way,” Lowri adds.
The wildlife on the farm is plentiful with kites, buzzards, owls, herons, woodpeckers, bats, frogs and foxes, rabbits and badgers as well as deer inhabiting the hedgerows and land that can’t be accessed with hedge cutters.
“There is plenty of undergrowth and habitat here for the wildlife to flourish. We’ve certainly seen an increase in wildlife since the lockdown and it’s a joy to see,” says Lowri.
The family have also planted some trees at the start of the year to fill in gaps in hedgerows. Taking part in a community growing project in Llandysul, Lowri received a surplus of 100 native trees which include oak trees, crab apples, cherry trees, dogwood, willow and birch. Lowri is looking forward to seeing how they grow in years to come.
“We chose random places to plant the trees, mainly where we had gaps in hedges and on ground that’s too wet for the livestock. All of this will provide extra habitats for wildlife in years to come.
“Blackthorn hedges were also planted along fields that have been amalgamated and will provide wind shelter for the cows and also nesting habitats for farmland birds,” said Lowri.
Lyn and Lowri are proud to produce food and look after the environment they call home but get disheartened with the negative stories surrounding the industry.
Lyn says: “A lot of the information put out now is referring to farming on a global level. Large scale and intensive farming. And in some parts of the world that’s true. But our farming systems here in Wales are different – we farm with the environment.
“You’ve still got your traditional small family farms, looking after the land. Because if you look after the land the land looks after you. That’s an important distinction. People also need to ask where their food comes from and how it’s produced and farmers in Wales have a great story to tell.”
“We’re not very good at telling people how we produce food. I understand how food is produced through my background of being a vet.
“So when I go into the supermarket and look where the food is coming from – I know what to look for and I distinguish between packaged locally and produced locally. But to be really sure – go to your local butcher, green grocer and small shop or farm shop and that way you can be sure, as a consumer, that your food has been sustainably produced and it’s farmed in harmony with the environment.
“We’re not horrible people, farmers have been portrayed as polluters and not fit to look after their animals. It’s time we tell them how well we look after our lands and animals,” Lowri said.
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