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Inherited Disease
Genetic test for FIS hailed a success

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A TEST for foal immunodeficiency syndrome (FIS) has been hailed a ‘massive success’ with breeders a year after it became available.

Almost 1000 breeders of Fell and Dales ponies have submitted samples for testing since the test was launched in February last year.

FIS, formerly known as Fell pony syndrome, is an untreatable and fatal condition causing affected foals to develop severe progressive anaemia and immune deficiency, making them more susceptible to infections. Affected foals usually survive for no more than three months.

The test, which involves sequencing DNA extracted from hair samples, was developed by June Swinburne at the Animal Health Trust in collaboration with Stuart Carter at Liverpool …

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