Averages by the math?
Each rat at maximum will give you a litter every other month, so 6 litters per year maximum. It's probably closer to be 4 litters per year.
Average litter size for most rats tends about 10. My lines have more, so 1 female rat will yield 40 offspring per year maximum with an average litter.
1.3 groupings in 32 tubs with those numbers is 3,840 off spring per year.
Since you'll want some rotation, you won't need nearly that many males, and you'll want to spread your litters out a bit, but yeah, you'll be producing enough rats to feed 70 or so snakes one meal per week at those numbers. Probably closer to 55 to 60 to be safe with hold back and anything coming in below average. More likely you'll be selling excess.
Best,
Paul
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