Allen .. it may be as simple as the fact that over using Apistan requires no
extra work .. you put in and leave longer than 45 days. Albeit overusing
Terramycin requires you to continually go to the hive and administer.
There are reports of TM resistant foulbrood
Dave
At 05:11 PM 4/17/01 -0600, you wrote:
>> Why is it that mites have grown quickly resistant to Apistan but the
>> bacteria causing foulbrood have been slow to resist terra treatment?
>