On Jan 15, 1:06*pm, "pavane" > wrote:
> I found the exchange that I had with Aquaculture NZ about
> the safety of frozen mussels whose shells do not open:
> .............................
> Sent: 21 April 2007 9:39 AM
> To: Nicola Symonds
> Subject: frozen mussels that do not open
> This may be a silly question...
>
> *I have had a few of your mussels not open when cooked properly. *Is this
>
> a problem (as it is with live mussels) or can they all be eaten? *Are there
>
> any guidelines for this concern?
>
> The response:
>
> Hi .....
>
> If mussels do not open when heated then you should not eat them. Instead
> discard all unopened mussels
....

Sounds pretty definite and simple to me! :-)

John Kuthe...