Table 1. Percentages of mated queens (sampling A) of different ages displaying coloration on their ovaries (ovary coloration) upon dissection or associated with egg-laying troubles (fecundity troubles) according to beekeeper's observations.
| Queen age | 1 year | 2 years | 3 years |
| Ovary coloration | 42% (N = 36) | 69% (N = 39) | 54% (N = 13) |
| Egg-laying deficiency | 89% (N = 37) | 62% (N = 44) | 8% (N = 25) |
N: number of samples analysed.