Blood Collection and Bleeding Amount–Common Laboratory Animals
| Item / Animals | Total Collection/ Adult (ml)a | Per Collection (ml)b | Bleeding Amount(ml) |
| Rat | 20-40 | 2-3 | 8-12 |
| Mice | 1.6-3.2 | 0.2-0.3 | 1-1.5 |
| Hamster | 6.8-1.2 | 0.5-1.2 | 3-5 |
| Guinea pig | 40-80 | 4-8 | 15-30 |
| Rabbit | 160-480 | 20-40 | 60-160 |
- Total Blood Collection equals roughly 6% of its weight.
- Per Collection = 1% of its weight.
Blood production of an animal is around 0.75-1.0ml/Kg/day, hence, 5Kg rabbit can produce 5ml blood per day; if a collection of 50ml for once, such rabbit takes 10 days to renew another 50ml blood.