Thanks! They're very tiny rabbits - as tiny as they come. She has a little lump afterward but it's gone by the next day and seems to take them ok. She has been eating closer to every 3 weeks - she's gotten too big for medium rats but the vet says her weight is fine. She might be longer now honestly? I don't think she's more than 5.5 feet but she should get to 8 and she took a "colossal" size rat no sweat. It was still too small for her (barely matched with her girth) so I ordered the rabbits. Medium rats are something she graduated over 6 months ago and were so small for her that we could practically give two in one feeding. Again, vet says she's healthy (as of last checkup) and she's been doing great with eating the rabbits.
I'll try every 3 weeks and offer every other week just in case then. Thanks!