ferret weightloss

Question
I have 2 ferrets 1 is year and half and the other is a year, the older one is peanut, she has lost a decent amount of weight but i think it might be because of the seasonal thing it is July. But im not sure if she is eating because i do have 2 ferrets i put 2 food bowls in the cage just incase its that they don't want to share but im not sure if its the problem. i have tried to hand feed her but the only thing she will eat is the raisins that are mixed with/ her food. im not sure if its intestinal blockage because she doesn't throw up. and she is still very active with the weightless do they lose some of their appetite too? in also not sure if she is pooping because i have 2 ferrets and well, all poop looks the same. i don't have the money for a surgery either so...is their anything i can feed her that will help her pass a blockage if she has 1 please help me.

Answer
How much weight has she lost?  If it is a lot, then you need to visit a vet.  I would also separate them into 2 cages or find a way to separate the cage in order to monitor her eating and pooping as much as you can.  

Do you have any ideas of what she may have eaten?