Brood Viability in Normal Colonies ofApis Mellifera

Abstract
The rate of mortality during developmental stages, and the duration of each stage, were investigated in colonies of Apis mellifera. The final result was different for each oviposition sample; although a few ovipositions showed more or less similar viability patterns, the majority showed much divergence. The sequence of 3 days for the egg, 5 days for unsealed brood, and 12 days for sealed brood, best represented the duration of the immature stages. The viability pattern of a colony cannot be determined from a single sample of ovipositions.

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