The vitality of chimozine was measured using Apis mellifera ligustica,which shows that the vitality of chimozine is relative negatively to the rate of Nosema disease and changes with seasons.

• 取蜜蜂中肠测定其酪素酶的活力，得知对意大利蜂而言，酶的活力越高，孢子虫病发病率越低；反之，则发病率高，且酶活力随季节变化。