There is a huge difference in temperment and imo growth speed depeding on ur stock.
3 colonies and 2 came from one source and 1 came from a different one.
The lone colony is shy and nervous all the time.. The other two are super curious and friendly. Standing looking out of the tub soon as its open.
I noticed about 30 days difference in growth rate too. The lone tub took the full 4 months to be ready to go. The other 2 tubs had litters within 3 based on birth dates i was given.. Ill have better records and proof now that there producing and i can hold back myself
Edit:
Genetics are key. I like these guys alot. They are a great feed source. Even with there slow growth rate. I just invested in a 27 tub rack to bump up production from my current 6 tub.
AND Even with 27 tubs. Ill still be better off then with a few tubs of horible smelling mice.
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