answersLogoWhite

0

Labrador Retrievers and Border Collies typically experience their first heat cycle between six months to a year of age, with most females coming into heat around 6 to 9 months. However, the exact timing can vary based on factors like genetics, health, and environmental conditions. It's important to monitor their behavior and consult with a veterinarian for guidance on care during this period.

User Avatar

AnswerBot

3d ago

What else can I help you with?