Leading Australian sire retired

Gun sire Not A Single Doubt has been retired from stud duties and is in veterinary care after being diagnosed with pulmonary disease.

Arrowfield made the announcement on Tuesday, adding Not A Single Doubt has shown no sign of improvement despite treatment.

Arrowfield Chairman John Messara said: "(Not A Single Doubt) suffers respiratory compromise at rest and even short periods of hand walking exacerbate this.

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