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Excerpts from the report: Bee diseases are found throughout the United States wherever bees are kept. These diseases cause large annual losses in bees, honey, and equipment and materially add to the cost of honey production. Even greater financial losses can result when the field force of pollinating bees is reduced, with consequent lower yield of seed and fruit. Because of the bee's manner of living, any contagious disorder will spread within the colony. The crowding of colonies together in apiaries increases the possibility of the spread of diseases to other colonies by robbing or drifting bees, and the use of movable frames is apt to spread diseases from hive to hive.


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