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*)
 F=female  
M=male

 100-104
 

 200-350
 

 30-40
 

 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
 

 41-42
 

 1-18;
usually 8-10
 

 6-8 weeks
 

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Reprinted from PetEducation.com.