There’s little documentation on the overall risks birds present to farms. Experts tend to discount the risk of salmonella, but some are concerned that E. coli can be passed between cattle and starlings
by MARY BAXTER
From a bird’s eye view, a barn is just a big nest or a giant feed dish. But too many birds in the barn can pose health risks to a dairy herd and indirectly affect the quality of the milk they produce.