Here are some key factors to consider:
* Mother's health: If the mother is struggling to feed or care for the young, it might be necessary to wean earlier, even as early as 3 weeks.
* Baby's development: Look for signs that the babies are ready to eat solid food, such as:
* Strong teeth: They should be able to chew on solid food easily.
* Interest in solid food: Observe them nibbling at their mother's food.
* Independent exploration: They are confidently exploring their environment and venturing away from the mother.
* Socialization: Separating them from the mother and littermates around this time helps them develop proper social skills.
Important note: If you are unsure about the appropriate weaning age, it is always best to consult with a veterinarian or experienced gerbil breeder. They can assess the individual situation and provide the best advice for your baby gerbils.