The U.S. Food and Drug Administration (FDA) announced that traces of harmful bacteria have been found in several varieties of pet food.

The recall affects pet food from two well-known brands: Answers Pet Food and Darwin’s Natural Pet Products. All of the affected products are raw dog food varieties. Food from both brands was found to be contaminated with salmonella and listeria, two types of bacteria that can cause illness in pets and their owners.

Currently, no illnesses have been confirmed in relation to these recalled products, according to the FDA.