Taking Care Of Ferrets I'm Taking Care Of Two Ferrets For A Friend One Is Fine But The Other Refuses To Eat Or Play How Do I Help?

I'm taking care of two ferrets for a friend one is fine but the other refuses to eat or play How do I help? - taking care of ferrets

I have two ferrets of my own and the four are very good, but he seems depressed. He will not eat, play or anything to do but sleep. If you select only wants to hide them and shake the other and sometimes are much smaller than I am. Mine is 5 months and six months, the fuzz on the lookout for me 2 to 3 years and 1 / 3 the size of my butt. I tried the manual feed and I feed the same food that came with it. So, what can I do if water is to drink a gurgle, cough and sometimes the legs and into his mouth, I thought that the hairball and stuffed ferralax some, but only a small amount because I know that they are not enough nutrients Broke Me food and water, mixed with "All I can think of and nothing works. Please help!