In Jan 1995, I asked Dr H. Shimanuki for an update of the status of
   research on linoleic and lauric acids for AFB. He had previously
   reported isolating these fatty acids from chalkbrood mummies, after it
   was observed that apiaries with high chalkbrood, had low AFB.
   Lab trials confirmed that they had a suppressive effect on AFB.
 
   As of Dec 1994, field efficacy with the doses used was not adequate.
   Trials were to have continued, but Dr Shimanuki indicated that it was
   obvious that the materials will not be as effective as oxytetracycline.
 
 
   Kerry Clark, Apiculture Specialist
   B.C. Ministry of Agriculture
   1201 103 Ave
   Dawson Creek B.C.
        V1G 4J2  CANADA          Tel (604) 784-2225     fax (604) 784-2299
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