My problem is I bought the wild European Goldfinch and Hooded Siskin to breed,
but they has been thin, maintain a few weeks after the death, eat food and drinking water normal, no diarrhea, will also sing a bath, but it is increasingly thin, and finally death, I would like to ask you guys, this is what causes it? how can I prevention and treatment? This problem bothered me for a long time, can help me ? Thank you guys.


