CATCH THE BUZZ – The Key is Not Whether They Encounter a Disease – It’s Whether They are Fit and Healthy Enough to Fight it Off.

Alan Harman

More intensive beekeeping does not raise the risk of diseases that harm or kill the insects, new research suggests.

Intensive agriculture – where animals or plants are kept crowded together in very high densities – is thought to result in higher rates of disease spreading.

But researchers from the University of Exeter and the University of California, Berkeley found this is not the case for honey bees.

Their study modelled the spread of multiple honey bee diseases and found that crowding many colonies together was “unlikely to greatly increase disease prevalence.”

However, the research only applies to existing honey bee diseases – and the findings suggest intensive beekeeping could accelerate the spread of new diseases.

“Crowding of animals or crops – or people – into minimal space usually increases rates of disease spread,” said Lewis Bartlett, of the University of Exeter and Emory University.

“We carried out this study because beekeepers were worried about this – especially given the many threats currently causing the decline of bees,” Bartlett says.

“To our surprise, our results show it’s very unlikely that crowding of honey bees meaningfully aids the spread of diseases that significantly harm honey bees.”

Bartlett says honey bees live in close proximity to each other naturally, and the models show that adding more bees does little to raise disease risk.

“So, beekeepers don’t need to worry about how many bees they keep together as long as there is enough food for them,” he says

“The key is not whether they encounter a disease – it’s whether they are fit and healthy enough to fight it off.”

Although the research shows intensification of beekeeping does not boost diseases among honeybees, Bartlett points out that intensive agriculture – especially use of pesticides and destruction of habitats – harms bee species including honey bees.

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