COMPOSITION FOR IMMUNE ENHANCEMENT OF HONEY BEE

摘要

PURPOSE: A composition for enhancing immunity of honey bees is provided to protect honey bees from death by preventing diseases due to virus and to improve a physiological environment for honey bees, thereby extending life span of honey bees and enhancing immunity. CONSTITUTION: A composition for enhancing immunity of honey bees contains 0.001-0.01 wt% of alkaloid with antiviral activity against virus causing sacbrood. The alkaloid is derived from pollen of Brassica campestris subsp. napus var. nippo-oleifera Makino, acorn flowers, chestnut blossoms, or a mixture thereof. The composition further contains flavonoid with antiviral activity and antibacterial activity. [Reference numerals] (AA) After composition for enhancing immunity treatment; (BB) Before composition for enhancing immunity treatment; (CC) Spot where bacterial activity does not appear; (DD) Spot where bacterial activity appears