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| === Queen === | | === Queen === |
| + | |
| + | * Long day breeders |
| + | * Increasing photoperiod prompts onset of puberty. |
| + | * Onset of puberty occurs in January-February in the Northern Hemisphere, where there is increasing day length. |
| + | * Queens born in February-March do not reach puberty until the following spring. |
| + | * Queens born in sumer/autumn generally display their first oestrus the following January. |
| + | * Before this can have effect, there must be adequate nutrition and growth. |
| | | |
| == Genetics == | | == Genetics == |