This is a natural adaptation that helps ensure the survival of the species. However, it can be risky for the mother's health if she becomes pregnant too quickly.
It's important to separate males and females after a litter is born to prevent unwanted pregnancies. Otherwise, the female may become pregnant again before she has fully recovered from the previous litter.
Here are some additional considerations:
* Lactation: Females are still lactating and providing for the current litter, and having another pregnancy adds stress and can negatively impact milk production.
* Health: Giving birth takes a toll on a female's body, and a quick pregnancy can lead to health issues and even death.
* Lifespan: Frequent pregnancies shorten a female gerbil's lifespan.
To ensure the health and well-being of your female gerbil, it's best to separate her from males after she gives birth and allow her at least 6-8 weeks to recover before allowing her to breed again.