> Several beekeepers protested that the list excluded some pollen sources
> that were well-known to be excellent for colony buildup.  The point was
> that protein content alone was not necessarily the best indicator for how
> nutritious a pollen was.
>
>
Lots of things go into colony buildup. Dandelions are  the main source of
spring buildup in my area but Dandelion pollen is listed as one of the
worst for nutrition (check the Hive and the Honey Bee). But the bees build
up just fine.

So, as you noted, we are still learning. Science is not quite settled.

Bill Truesdell
Bath, Maine

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