Yes they can, rats should be fed a wide mix of foods from cooked to raw meats. It does not matter " domestication" the rats are still BRED, and GENETICALLY made up to eat and handle both raw and cooked meats. Domestication is based on how tame the animal is now that it has been bred to TAME down, and be HUMAN companions it does not alter the animals needs in anyway... they may "adapt" but it doesn t do a complete 180 and make them unable to handle it.
AS for cats and bones, have a cat raw fed 18 years...and 12 other animals raw fed who eat raw chicken bones, raw deer bones, and raw beef bones and guess what they are alive and never 1 single issue... I know several others who follow this feeding, and guess what...my vet couldn t be more amazed at how great their teeth look because guess what COOKED bones are bad...and raw bones are what they are MADE to eat.