Template:Mouse Rat Pig table
From Embryology
| Postnatal Animal Models | mouse | rat | pig |
|---|---|---|---|
| Pregnancy period (days) | 18 – 21 | 21 – 23 | 110 – 118 |
| Placenta type | Discoidal, decidual hemoendothelial choroidea |
Discoidal, decidual hemoendothelial choroidea |
Epitheliochorial |
| Litter size | 6 – 12 | 6 – 15 | 11 – 16 |
| Birth weight (g) | 0.5 – 1.5 | 3 – 5 | 900 – 1600 |
| Weaning weight male/female (g) | 18 – 25/16 – 25 | 55 – 90/45 – 80 | 6000 – 8000 |
| Suckling period (days) | 21–28 | 21 | 28–49 |
| Solid diet beginning (days) | 10 | 12 | 12 – 15 |
| Puberty male/female (week) | 4 – 6/5 | 6/6 – 8 | 20 – 28 |
| Life expectancy (years) | 1 - 2 | 2 - 3 | 14 – 18 |
| Table data - Otis and Brent (1954)[1] Links: timeline | |||
- ↑ Otis EM and Brent R. Equivalent ages in mouse and human embryos. (1954) Anat Rec. 120(1):33-63. PMID 13207763
