A genetic test is needed which looks for a mutation of the BRCA 1 and 2 genes.
Batty agrees that some breeds lead to bigger vets bills but she thinks people are becoming "more sensible" in their choices.
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Michelle RobertsDigital health editor, BBC News
It was a straight port by Ken Smith (the only code in "Mocha" I didn't write) of Java's Date code from Java to C.