Physiological Features - Rat
Pregnancy Duration | 21~23 days |
Average Estrus Time | 14 hours |
Period Duration | 4~5 days |
Breeding Season | All year around |
Feed Consumption Per Day | 10g/100g/day |
Breeding Starting Age: Male | 65~110days |
Breeding Last Age: Female | 65~110days |
Average Count of One Litter | 8~12 |
Average Birth Weight | 5~6 grams |
Initial eyes opening until weaning | 10~12days after birth |
Average Weight: Male / Adult | 450~520 grams |
Average Weight: Female / Adult | 250~300 grams |
Breeding Duration: Male | 12~14 months |
Breeding Duration: Female | 9~11 months |
Weaning Age | 21 days |
Life Span | 2.5~3.5 years |
Respiratory Rate | 75~115/per time/per minute |
Blood Pressure (High/Low) | 84~134mmHg |
Heart Rate | 250~450/per time/per minute |
Normal Body Temperature | 35.9~37.5℃ |
Erythrocytes (million/mm³) | 7~10 |
Hemoglobulin | 11~18 grams/100 mm³ |
Hematocrit (Hct) | 36~48% |
Platelets | 500~1300(thousand/mm³) |
WBC Differential Count (thousand/mm³) | |
WBC Total Count | 6~17 |
Polymorphonuclear leukocyte, PMNs | 9~34% |
Eosinophil;Eos | 0~6% |
Basophils | 0~1.5% |
Lymphocytes | 65~85% |
Monocytes | 0~5% |