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Date: | Sun, 27 Jul 2014 18:12:45 -0700 |
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> >What research has been done with soft chemicals
Apivar: few would consider this a "soft" chem; active ingredient amitraz;
changes bees' heartrate, causes loss of sperm viability in queens;
persistent degradation product
>Apiguard: a.i. thymol; can be tough on bees and brood in the short term;
residues can remain in the wax for some time; I haven't seen evidence that
when used properly, causes lasting adverse effects
>Tylan: persistent antibiotic, active for at least 6 months in the hive;
likely affects some bacteria in the hive; can contaminate honey haven't
seen any studies indicating adverse effects, but should be used sparingly
>Terramycin: to its credit, degrades rapidly, and is a "natural" product;
vastly overused; haven't seen studies indicating adverse effects
--
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com
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