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How often is a dog in heat?

Species: Dog
Breed: Australian Shepherd
Age: 1-2 years
My dog started her first heat yesterday. I know not to breed her now she is not ready, my question is how long usely before they go into there 2nd heat?




Online vet, Dr. Marie

Dr. Marie replied:

Thanks for your question. Dogs generally go in to heat about every 6 months, but it can vary from dog to dog.

Little Bitt may be fertile for up to three weeks so be careful to limit her access to other dogs. She will be very attractive to males at this time. I have seen male dogs jump fences to be with a female in heat, so keep an eye on her!

If you have more questions let me know.

Dr. Marie.


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Disclaimer: Although Dr. Marie is a qualified veterinarian, the information found on this site is not meant to replace the advice of your own veterinarian. AskAVetQuestion.com and Dr. Marie do not accept any responsibility for any loss, damage, injury, death, or disease which may arise from reliance on information contained on this site. Do not use information found on this site for diagnosing or treating your pet. Anything you read here is for information only.

Customer reply:

thank you so much


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Dr. MarieDr. Marie is a veterinarian who practices in a busy animal hospital in Ottawa, Ontario. She created Ask A Vet Question as a resource for good, accurate veterinary advice online. Dr. Marie treats dogs, cats, hamsters, guinea pigs, and rats. She has been a vet since 1999.

Is an online vet visit just as good as a trip to your veterinarian? No! But, many times, asking an online veterinarian a question can help save you money. While Dr. Marie can't officially diagnose your pet or prescribe medications, she can often advise you on whether a vet visit is necessary. You can also ask Dr. Marie for a second opinion on your pet's condition.