But I still think the regional
contrasts exist.
Completely agree, we have HUGE regional differences here due to climate. Guys in the north like MN may get by with one treatment a year, while the guys in FL treat 4 times.
This is based on the math of mite propagation related to brood volume. So those with 3-4 brood/ swarm cycles a year will have drastically different issues than say Canadians with one major cycle boom.
I don’t know anything about the SA variations, but can guess many of the same issues of various levels of mites closely related to how often they are without food/ brood. Is there as big a variation down in climate and brood cycles?
Charles
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