I second the 60-65 deg thing. Constant 50 deg is of no benefit to rosies.

As a minumum, here is what they need for breeding:
1. A night-time temp drop down into the low-mid 60s during Winter. If you want to hold those temps during the day as well, fine.
2. A Winter light cycle, or just dark.
3. In Spring, increase humidity (just spray 'em a little.) Nothings gets breeding going like rain.

Anything else is really unnecessary IMO. And in captivity, too low of temps for too long doesn't sit well with rosies. In the wild they can handle it because they have extensive burrows to avoid drastic temps.

I've bred rosies with no cooling (except the ambient air temp was in the low 60s, sometimes hitting the 50's at night. Heat was still provided) - just kept them mostly dark, or in a room with a window but no other lights on for the most part.
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Mark

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