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Cher
Cher, Feline Specialist
Category: Cat
Satisfied Customers: 20968
Experience:  Feline Healthcare & Behavior Specialist 40+ years Experience
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how can i tell if my female guinea pig is in heat

Customer Question

all of a sudden shes just bittin/nibbling our fingers is makin her hungry call but isnt hungry very auntsy doesnt wanna play how she usually does will walk around real fast making her hungry call
Submitted: 9 years ago.
Category: Cat
Expert:  Cher replied 9 years ago.
Hi,

It's possible that your piggy is exhibiting signs of estrus (heat), as increased activity and mounting behavior is obvious during this time. From: http://www.animalcareunlimited.com/images/html/guinea.htm

"Female guinea pigs (sows) undergo their first estrus cycle at 2-4 months of age. The entire cycle lasts 15-17 days. The time prior to estrus, called proestrus, lasts about 1½ days. During this time, the sow shows increased activity and mounting behavior. The fertile period, called estrus, lasts 1-18 hours with spontaneous ovulation occurring about 10 hours after onset of estrus. The first estrus after giving birth is the most fertile and is likely to yield the most offspring.

Breeding should occur before 6 months of age in females. At about 9 months of age, the pelvis fuses and there is increased risk of dystocia (complicated birth). Gestation is typically between 60 and 70 days. Parturition (delivery) should take place within 10-30 minutes."

If your guinea pig continues to show these symptoms, bring her to a vet experienced in treating guinea pigs, to make sure she's alright, and these symptoms do not indicate illness or nutritional deficiency.

I hope she'll be fine.

Cher