bombi were low. In the course of rearing , Infection intensity and mortality of queen bumble bees were reduce gradually, it is connected with infection N.
bombi were low. In the course of rearing , Infection intensity and mortality of queen bumble bees were reduce gradually, it is connected with infection N.
感微孢子虫病的野生B.lucorum蜂王在饲养过程中，微孢子虫的感染率和死亡率逐渐降低，微孢子虫对蜂王的危害与感染程度有关，感病蜂王产的卵未发现感染微孢子虫。