ok i started breading rats agin. because im getting lab block from a friend for 17 a bag. well first bag they loved it. they were super fat. now i got 4 more bags and it seems like they are not eating it that much at all. so far i have lost around 1-2 or even 3 a day for the past 4 days. the lab block i am getting at first looked oily/wet and the same stuff now looks dry. called the guy i got it from he said it seen that to but has not lost a rat? any one have this happen. most rats look skinny now but its full of food????? any help would be great