AFRMA
Info Page
Baby Rat Development from Birth to 6 weeks
 Newborn. They are bright pink and only weigh 6–8 grams (not much more than a nickel). Their eyes and ear canals are sealed. The light spot on their left side is a tummy full of milk. |
 1 Day. The babies are already showing pigment. |
 2 Days. The babies are showing more color pigment and have clearly grown in size and weight. |
 3 Days. Each day more pigment shows through. |
 4 Days. |
 5 Days. |
 6 Days. They are starting to get some peach fuzz hair. These are all Russian Blue. |
 7 Days (1 week). |
 8 Days. |
 9 Days. Their coats are really starting to come through. |
 10 Days. |
 11 Days. |
 12 Days. |
 13 Days. |
 14 Days (2 week). They opened their eyes today and will really begin to explore their cage. |
 15 Days. |
 16 Days. |
 17 Days. |
 18 Days. Practicing their washing. They are at the super cute balls-of-fluff stage. The babies are eating a variety of foods but still need mom’s milk. |
 19 Days. |
 20 Days. |
 21 Days (3 weeks). |
 22 Days. |
 23 Days. |
 24 Days. |
 25 Days. They are starting to grow very quickly and they spend their waking hours doing lots of playing. |
 26 Days. |
 27 Days. |
 28 Days (4 weeks). Mom is in the process of weaning them. |
 29 Days. |
 30 Days. |
 31 Days. |
 32 Days. |
 33 Days. |
 34 Days. |
 35 Days (5 weeks). They are continuing to grow very quickly and you will start to notice a size difference between males and females. |
 36 Days. |
 37 Days. |
 38 Days. |
 39 Days. |
 40 Days. |
 41 Days. |
 42 Days (6 weeks). The babies are well developed, completely weaned, and ready to go to their permanent homes to be wonderful pets. Males and females MUST be separated by this age.  |
AFRMA
Info Page
September 4, 2011
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