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Novel cat genome identifies link to feline dwarfism
Scientists applied the new model to the genomes of 54 domestic cats.
Study could lead to earlier disease detection and treatments with fewer side effects. 

Researchers in the USA have discovered a genetic mutation linked to feline dwarfism with a gene not previously linked with dwarfism in any species.

Scientists at the University of Missouri and Texas A&M discovered the new variant by developing a new cat genome reference model in a bid to uncover new links between DNA mutations and feline disease. 

The model, which is part-funded by Purina, is said to be 'vastly more accurate and improves scientists’ ability to identify DNA variations that influence the health of individual cats'. 

Felines suffer from many of the same diseases that affect humans. However, the level of genetic information available to help develop new tests and treatments in humans has not been available for cats. 

To help rectify this, researchers applied the new model to 54 cat genomes to identify variations that could be the cause of disease in domestic cats. The genetic mutation linked to feline dwarfism is one of the several discoveries detailed in the journal PLOS Genetics.

Looking ahead, the team hopes to use the model to extend the use of precision medicine in feline veterinary care. The resource could enable scientists to develop more useful genetic screening tests, provide earlier disease detection, and lead to the development of improved treatments with fewer side effects.

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Charities' XL bully neutering scheme closes

News Story 1
 A scheme that helped owners of XL bully dogs with the cost of neutering has closed to new applications due to high demand.

The scheme, run by the RSPCA, Blue Cross, and Battersea, has helped 1,800 dogs and their owners after XL bullies were banned under the Dangerous Dogs Act.

In England and Wales, owners of XL bully dogs which were over one year old on 31 January 2021 have until 30 June 2024 to get their dog neutered. If a dog was between seven months and 12 months old, it must be neutered by 31 December 2024. If it was under seven months old, owners have until 30 June 2025.

More information can be found on the Defra website. 

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News Shorts
Avian flu cattle outbreak spreads to tenth US state

Cattle in two dairy herds in Iowa have tested positive for highly pathogenic avian influenza (HPAI), making it the tenth state in the USA to be affected by the ongoing outbreak of the disease in cattle.

Since March 2024, more than 80 herds across the USA have been affected by the virus and three dairy workers have tested positive. Authorities have introduced measures to limit the spread of the virus and farmers have been urged to strengthen their biosecurity protocols.

Mike Naig, Iowa secretary of agriculture, said: "Given the spread of highly pathogenic avian influenza within dairy cattle in many other states, it is not a surprise that we would have a case given the size of our dairy industry in Iowa.

"While lactating dairy cattle appear to recover with supportive care, we know this destructive virus continues to be deadly for poultry."