Normal Values & Characteristics
Veterinary & Aquatic Services Department, Drs. Foster & Smith

The following tables provide information on the life span, weight, reproduction, and normal physiologic values of ferrets. Most of the values are given in ranges, and depending upon the source, you may find somewhat different ranges provided elsewhere.

Physiologic Values

Normal Temperature ( F) Normal Heart Rate
(beats per minute)
Normal Respiratory Rate
(breaths per minute)
Recommended Environmental Temperature  ( F) Life Expectancy Average Weight (grams*)




 50-75; never over 90 

 5-11 years

 F: 600-1,000;
M: 1,000-2,000
* There are 453 gms (grams) in a pound. A kilogram (kg) is 1000 gms.


Reproductive Values

Puberty (months) Length of Pregnancy (days) Litter Size Weaning Age

 4-8 months


usually 8-10

 6-8 weeks
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