<div dir="ltr"><div>I believe PDA* is considered congenital rather than inherited, in that it happens sometimes to individual animals (and people) but is not "carried" genetically, and I may be completely wrong with this belief. </div>
<div>I have not been following this thread so I have no clear idea of what is going on. Maybe someone will write privately an enlighten me.</div>
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<div>MomPerson to Nigel, Llewis (WHERE'S MY FOOD!!??) and Cooper and Mitchell</div>
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<div>*<em>Patent Ductus Arteriosis (I think that's right) a congenital defect of the arteries of the heart.</em></div></div>