Farming
How a Pembrokeshire dairy farm slashed newborn calf mortality rates
WILL and Alex Prichard calve 500 cows in a spring block at Escalwen, near Letterston, and also run two 200-cow autumn calving herds.
That high throughput of calves can present disease challenges – in the three years to 2023, calf mortality from neonatal diarrhoea averaged 9.5%, peaking at 16% in 2022 when the herd was subject to bovine TB movement restrictions.
“Over my entire farming career, one of the most depressing things I have experienced is when calf rearing goes wrong and when mortality and sickness in calves becomes almost insurmountable,’’ said Mr Prichard.
In an attempt to correct weaknesses in their system, in 2023 the Prichards and their calf rearer, Tom Phillips, embarked on a new feeding programme guided by veterinary consultant Ryan Davies.
They invested in two pasteurisers, part funded by the Welsh Government Small Grants – Efficiency scheme, feeding cow transition milk enriched with whole bovine powdered colostrum after calves had received their colostrum feed.
Transition milk is produced by the cow from the second milking after calving, up to the sixth, and contains a higher percentage of milk solids, antibodies, vitamins and minerals than milk produced after this point in the lactation.
It also has elevated levels of growth factors, natural antimicrobial proteins and other bioactive substances.
But the quality of transition milk is highly variable. That, in conjunction with the transfer of passive immunity (TPI) from colostrum dictating a calf’s antibody levels, will make a significant difference to health and performance.
If calves don’t receive sufficient antibodies, they are more likely to die, suffer from diarrhoea or respiratory issues, and require treatment with antibiotics.
Taking blood samples from calves and using IgG as a biomarker to standardise transition milk is one solution and this is what the Prichards did, supported by the Farming Connect ‘Try Out’ Fund, an initiative that funds individuals and groups of farmers and growers to experiment with ideas and bring them to life.
Throughout the calving season, Dr Davies took daily blood samples from newborn calves in their first 24 hours.
The results showed that 21% had an excellent TPI, 7% good, 41% fair and 31% poor.
“This is about average for the UK and good for a dairy block calving herd,’’ said Dr Davies, of Veterinary Technical Consulting Ltd.
The total solids in the pasteurised transition milk were measured with a Brix refractometer and, depending on the reading, it was enriched with a colostrum powder from SCCL to standardise it to a minimum of 12.5% Brix or 14.5% milk solids – instead of powder another option is to add whole milk colostrum.
“If we didn’t reach that threshold we added whole bovine colostrum powder to it to increase the Brix reading,’’ Dr Davies explained.
“The average Brix for the milk at Escalwen was 10.5% so we raised that to 12.5%, but every farm will be different.’’
Other parameters used for the milk were a total bacterial count of under 100,000 colony-forming units (cfu)/ml, a total coliform count of less than 10,000 cfu/ml and no antibiotic residues.
“It is important that calves aren’t fed any antibiotic residues because they inhibit the growth of the normal healthy gut microbiome,’’ said Dr Davies.
The milk was fed to calves up until day 10.
This approach resulted in a significant improvement in calf health and a major reduction in mortalities.
Mortality resulting from neonatal diarrhoea reduced from an average of 9.5% to 3% and antibiotic usage in pre-weaned calves to 16%, from the five-year average of 45%.
Importantly, no highest-priority critically important antibiotics (HP-CIA) were used
pre-weaning in 2024; in 2022 use of these had hit a high of 1.98mg/PCU.
Although feeding transition milk comes with some additional cost, from labour and equipment for its collection through to storage and heating, Mr Prichard said the improvements had completely changed the mood on the farm during the calving period.
“Once you get your head around how important IgGs are, it almost becomes a passion to harvest as much of that IgG as you possibly can and utilise it in your own herd.’’
As well as transition milk feeding, improvements were made to hygiene and cleanliness to reduce the disease challenge.
Pasteurising the milk was a “game changer’’, he added, to reduce disease risks such as Johne’s and bovine TB.
The milk was pasteurised for 60 minutes at 60°C to destroy pathogens including mycoplasma, salmonella, E. coli and listeria.
Pasteurising at higher temperatures or for a longer duration can reduce antibody levels, although studies have shown this is more effective in the destruction of Johne’s and bovine TB organisms which can be detected after heating to 60°C for 60 minutes.
Top tips for feeding transition milk
- Adhere to good hygiene practices when collecting and storing prior to feeding
- Heat to the correct temperature before feeding
- Take the health status of the herd into account to reduce risk of disease transfer, particular if pasteurisation is not used.
- In systems that feed calf milk replacer instead of whole milk, the equivalent mass of milk powder should be removed and replaced with colostrum powder to maintain the solids percentage and prevent osmotic diarrhoea.
Business
Cwm Deri Vineyard Martletwy holiday lets plans deferred
CALLS to convert a former vineyard restaurant in rural Pembrokeshire which had been recommended for refusal has been given a breathing space by planners.
In an application recommended for refusal at the December meeting of Pembrokeshire County Council’s planning committee, Barry Cadogan sought permission for a farm diversification and expansion of an existing holiday operation through the conversion of the redundant former Cwm Deri vineyard production base and restaurant to three holiday lets at Oaklea, Martletwy.
It was recommended for refusal on the grounds of the open countryside location being contrary to planning policy and there was no evidence submitted that the application would not increase foul flows and that nutrient neutrality in the Pembrokeshire Marine SAC would be achieved within this catchment.
An officer report said that, while the scheme was suggested as a form of farm diversification, no detail had been provided in the form of a business case.
Speaking at the meeting, agent Andrew Vaughan-Harries of Hayston Developments & Planning Ltd, after the committee had enjoyed a seasonal break for mince pies, said of the recommendation for refusal: “I’m a bit grumpy over this one; the client has done everything right, he has talked with the authority and it’s not in retrospect but has had a negative report from your officers.”

He said the former Cwm Deri vineyard had been a very successful business, with a shop and a restaurant catering for ‘100 covers’ before it closed two three years ago when the original owner relocated to Carmarthenshire.
He said Mr Cadogan then bought the site, farming over 36 acres and running a small campsite of 20 spaces, but didn’t wish to run a café or a wine shop; arguing the “beautiful kitchen” and facilities would easily convert to holiday let use.
He said a “common sense approach” showed a septic tank that could cope with a restaurant of “100 covers” could cope with three holiday lets, describing the nitrates issue as “a red herring”.
He suggested a deferral for further information to be provided by the applicant, adding: “This is a big, missed opportunity if we just kick this out today, there’s a building sitting there not creating any jobs.”
On the ‘open countryside’ argument, he said that while many viewed Martletwy as “a little bit in the sticks” there was already permission for the campsite, and the restaurant, and the Bluestone holiday park and the Wild Lakes water park were roughly a mile or so away.
He said converting the former restaurant would “be an asset to bring it over to tourism,” adding: “We don’t all want to stay in Tenby or the Ty Hotel in Milford Haven.”
While Cllr Nick Neuman felt the nutrients issue could be overcome, Cllr Michael Williams warned the application was “clearly outside policy,” recommending it be refused.
A counter-proposal, by Cllr Tony Wilcox, called for a site visit before any decision was made, the application returning to a future committee; members voting seven to three in favour of that.
Farming
Farmers Union of Wales Warns: Labour’s 5G Expansion Risks Rural Blackspots
FUW Joins Landowners in Urgent Call to Pause Controversial Telecoms Reforms
THE FUW (Farmers’ Union of Wales) has warned that rural communities face worsening mobile blackspots and farmers risk losing essential income if the Labour Government expands a telecoms policy blamed for stalling Britain’s 5G rollout.
In a letter to Digital Economy Minister Liz Lloyd, the FUW aligns with landowners, investors, and property experts demanding a halt to Part 2 of the Product Security and Telecommunications Infrastructure (PSTI) Act 2022. Extending the 2017 Electronic Communications Code (ECC) would “entrench failure,” the group argues, sparking more stalled renewals, site losses, and legal battles just as Wales needs swifter rural connectivity.
The 2017 reforms empowered operators to cut mast rents—often by 90%—from hosts like farmers, councils, and NHS trusts. Far from boosting rollout, they’ve ignited over 1,000 tribunal cases since 2017, versus 33 in the prior three decades. Rural goodwill has eroded, with hosts now eyeing exits.
“Every lost mast isolates households, schools, and businesses,” the FUW states. “No public subsidy can fix this systemic damage.”
A survey of 559 hosts (via NFU, CLA, BPF) shows:
- 35% considering full withdrawal.
- 70% of expired lease holders facing operator legal threats.
Landowner Ted Hobbs in New Tredegar shares the pain: “My 1995 Vodafone lease was £3,500 yearly, renewed in 2010 at the same rate. It expired May 2025—now they demand a slash, backed by the Code. This is confiscation, not partnership.”
Labour’s push forward—despite earlier opposition and a critical consultation—ignores these red flags.
FUW President Ian Rickman adds: “Farmers hosted masts in good faith for rural connectivity. Punishing them with rent cuts sabotages Wales. Halt this now, restore trust, and incentivise real progress.”
The coalition urges ministers to reopen dialogue before deepening rural divides. Wales can’t afford more policy missteps.
Business
Large new development at one of Pembrokeshire’s biggest dairy farms approved
PLANS for a heifer accommodation building and associated works at one of Pembrokeshire’s largest dairy farms, with a milking herd of 2,000 cows, have been given the go-ahead.
In an application recommended for approval at the December 2 meeting of Pembrokeshire County Council’s planning committee, Hugh James of Langdon Mill Farms Ltd sought permission for a 160-metre-long heifer accommodation building, a slurry separation/dewatering building and associated yard areas at 1,215-hectare Langdon Mill Farm, near Jeffreyston, Kilgetty.
A supporting statement through agent Reading Agricultural Consultants said: “The holding currently has a milking herd of approximately 2,000 cows, which are housed indoors for the majority of the year, with dry cows and heifers grazed outdoors when weather and soil conditions permit.
“There has been significant investment in buildings and infrastructure at the farm over the last decade in respect of cattle accommodation, slurry storage, milking facilities, Anaerobic Digestion (AD) plant, feed storage. Recently a calf and weaned calf accommodation buildings were approved by Pembrokeshire County Council with construction almost complete.
“The unit is efficient, achieving yields of more than 10,000 litres/cow/year, with cows being milked three times/day in the 60-point rotary parlour. Langdon Mill Farm currently directly employs 21 full-time, and three part-time staff. Of these, four live on site in the two dwellings opposite the farm, with the remaining staff living in the locality.”

It added: “Although the unit has previously purchased heifers to aid expansion, the farm now breeds most of its own replacements to improve genetics and to minimise the ongoing threat of bovine tuberculosis (bTB).
“Following the completion of the calf and weaned calf accommodation buildings, the farm will be rearing all of the cattle under seven months at Langdon Mill Farm, before being transported off site to be reared at three farms in the local area. At 22-months the in-calf heifers are brought back to the maternity building to calve and then are introduced into the milking herd.”
It said the proposed building would be used by heifers between the ages of 7-22 months, the siting “directly influenced by the adjacent calf and weaned calf buildings, with livestock being moved from one building to the next as they get older”.
Approval was moved by Cllr Brian Hall, seconded by Cllr Danny Young, with Cllr John T Davies also stating his support.
“It’s common sense; the fact we approved a calf-rearing shed, it follows on you need a heifer rearing shed,” he said.
Cllr Davies later said the scheme would also support biodiversity, and, with a decline in milk prices, supporting the large-scale farm was about “safety in numbers”.
Chair Cllr Mark Carter said it was “a pleasure to be supporting the farming industry”.
Members unanimously supported the recommendation of approval.
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