| 摘要 |
PURPOSE: Feeding trough is provided which can easily feed pollen and the feeding which can be used as a substitute for pollen to honeybee during non honey flow period. CONSTITUTION: Feeding trough comprises a feeding trough(2) for filling pollen; a path forgoing a honeybee in and out; a filter(6) located on bottom of the feeding trough(2) and a case(8) with cover(10) which can be kept pollen for a long time.
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