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Britain's rivers face invasion of European freshwater species
quagga mussels
Quagga mussels found in Wraysbury river by David Aldridge.

Freshwater species from south east europe have been found in Britain's waterways

Researchers from the University of Cambridge are warning that Britain is heading for an 'invasional meltdown' of freshwater species from south east Europe.

The most high-risk freshwater invaders are from the Ponto-Caspian region around Turkey and Ukraine. The quagga mussel, for example, was confirmed just two weeks ago in the Wraysbury River, close to Heathrow airport. Ten high-risk species have also been discovered just across the channel in Dutch ports.

In the study, published yesterday in the Journal of Applied Ecology, the authors describe Britain's need to confront the Ponto-Caspian problem - named for the invaders' homelands of the Black, Azov and Caspian seas - as a "vital element for national biosecurity."

The researchers say that monitoring efforts should be focused on areas most at risk of multiple invasions - for example, the lower reachers of the Rivers Great Ouse, Thames and Severn and the Broadlands, where ornamental plant trading and shipping ballast water is most likely to inadvertently deposit the cross-channel invaders.

All of these areas are projected to see an influx of up to 20 Ponto-Caspian invading species in the near future.

Dr David Aldridge, co-author of the study, said: "Pretty much everything in our rivers and lakes is directly or indirectly vulnerable. The invader we are  most concerned about is the quagga mussel, which alarmingly was first discovered in the UK just two weeks ago. The pest will smother and kill our native mussels, block water pipes and foul boat hulls. We are also really worried about the Ponto-Caspian shrimps, which will eat our native shrimps."

Sarah Chare at the UK Environment Agency, said:  "Invasive species - such as the quagga mussel - cost the UK economy in excess of £1.8 billion every year."

The quagga mussel is a highly invasive non-native species, affecting water quality and clogging up pipes. If you spot one, then please report it to us through the online recording form."

To read more about the research, visit http://www.cam.ac.uk/research/news/britain-on-brink-of-freshwater-species-invasion-from-south-east-europe  

Image (C) University of Cambridge/David Aldridge.

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Practices urged to audit neutering data

News Story 1
 RCVS Knowledge has called on vet practices to audit their post-operative neutering outcomes.

It follows the release of the 2024 NASAN benchmarking report, which collates data from neutering procedures performed on dogs, cats and rabbits.

The benchmarking report enables practices in the UK and Ireland to compare their post-operative outcomes to the national average. This includes the rate of patients lost to follow-up, which in 2024 increased to 23 per cent.

Anyone from the practice can submit the data using a free template. The deadline for next report is February 2026.

Visit the RCVS Knowledge website to complete an audit. 

Click here for more...
News Shorts
RCVS pays tribute to well-loved equine vet

The RCVS and the Riding Establishments Subcommittee has paid tribute to well-loved veterinary surgeon and riding establishment inspector, Rebecca Hamilton-Fletcher MRCVS.

Linda Belton MRCVS, RCVS President, said: "I, along with my colleagues on the RESC, RCVS Council, RCVS Standards Committee, as well as RCVS staff, was very saddened to hear of the sudden death of Rebecca, or Becca as we knew her, last week.

"She was a true advocate for equine welfare and in her many years on the RESC worked to continually improve the quality and consistency of riding establishment inspections, all in the interests of enhanced horse welfare and rider safety."