This issue has been going on since 2007, all related to feeding jerky treats to your pets. An amazing 3610 dogs and cats have become ill due to these treats. Sadly, 580 of these sick pets have died from jerky treats.
The problem is, that most of these treats are made in China, and there is just no way of knowing what is in them. There are no laws or regulations that require these Chinese pet treat manufacturers to list the country of origin.
Symptoms of illness are loss of appetite, vomiting, diarrhea, increased thirst and urination, all coming shortly after eating these treats.
There has been extensive testing and investigation, but it is recommended to just stop feeding jerky treats to your pets.
Read this entire article regarding pet treats.