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Udder research offers new insights
ewe
A leading cause of udder lumps was found to be acute mastitis.
Findings indicate risk factors for acute mastitis

A ewe mastitis research project has offered fresh insights into the risk factors for udder lumps and acute mastitis.

The findings could help to inform culling decisions and improve awareness of the conditions that cause udder lumps.

Researchers from the University of Warwick scored nearly 5,000 pedigree and commercial ewes over two breeding seasons.

In two consecutive years, the ewes were scored four weeks before lambing and nine weeks after giving birth.

Acute mastitis was found to be more common in ewes with poor udder conformation, teat lesions, inadequate nutrition during pregnancy and those feeding twins or triplets.

Older ewes were also more likely to have acute mastitis.

Ewes with the condition were also found to be "significantly more likely" to have an udder lump in the next examination.

Leading causes of udder lumps were found to be acute mastitis, teat lesions, infection by another ewe and feeding insufficient energy during lactation.

Furthermore, researchers found flocks with a higher percentage of ewes with lumps during pregnancy had a higher number of ewes with lumps in lactation. Senior livestock scientist Liz Genever said this suggests the infection is passed within the flock.

Udder lumps are formed by bacteria and can rupture and disperse, reforming as another abscess elsewhere in the udder.

A link was found between udder conformations (big/extremely positioned teats and droopy udders) and an increase in teat lesions, udder lumps, acute mastitis and slower growing lambs.

The final report from the project is expected to be released later this year.

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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
New guidance for antibiotic use in rabbits

New best practice guidance on the responsible use of antibiotics in rabbits has been published by the BSAVA in collaboration with the Rabbit Welfare Association & Fund (RWA&F).

The guidance is free and has been produced to help veterinary practitioners select the most appropriate antibiotic for rabbits. It covers active substance, dose and route of administration all of which are crucial factors when treating rabbits owing to the risk of enterotoxaemia.

For more information and to access the guide, visit the BSAVALibrary.