You are right , I replied to Tim but realise that I forgot to send to the 
rest of the list.
  I had always used the corn oil , but the last time it was rancid and 
by boss didn't like the smell. He said the mineral oil would be ok 
though I was uneasy , but as the rat had been put under we 
couldn't wait.  
    Tim is right , mineral oil will not work at all. Corn oil is 
recommended. In one of the web sites he mentioned, there is a 
mention of using sodium bisulfite for decontamination. Any one 
ever use that?

                                   Margaret
Margaret Horne ,
Histology Teaching Assistant,
Dept. of B.SC.,
Atlantic Veterinary College, U.P.E.I.,
550 University Ave., Charlottetown,
P.E.I.,  C1A 4P3 
Canada


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