I was feeding live small rats with no problems, but i switched to f/t from rodentpro simply because i was spending 22 to 25 bucks a week on 5 live rats, i bought 40 f/t for 35ish plus shipping it came to 78, but it still only comes out to 1.95 per rat. its a big savings. and i did nothing different on feeding day, i simply open the tubs and whamo...