Guinea Pig Physiology - WikiNormals

Physiology	Units	Approximate Value
Adult Weight	Grams	750 - 1000
Birth Weight	Grams	60 - 100
Blood Volume	Milli-litre per gram body weight	6.8
Breeding Age - Male	Days	70 - 100
Breeding Age - Female	Days	60 - 90
Breeding Duration (Commercial)	Years	2 - 4
Food Consumption	Per 100 grams body weight per day	5 Grams
Gestation Length	Days	60 - 70
Heart Rate^	Beats per min	200 - 300
Life Span	Years	3 - 5
Litter Size	No units	2 - 6 pups
Oestrus Cycle	Days	15 - 17
Postpartum Oestrus	No units	Fertile within 24 hours
Rectal Temperature	Centigrade	37.5 - 39.0
Respiratory Rate	Breaths per min	35 - 70
Urine Output	Ml per 100 gram body weight per day	No Data
Water Consumption	No units	Ad libitum (free-feeding)
Weaning Age	Days	14 - 21 (or 180grams)
Systolic pressure	mmHg	100 - 120
Diastolic pressure	mmHg	70 - 80
Mean pressure	mmHg	85 - 100