How Did a Euthanasia Drug Get into Pet Foods? Veterinarian Dr. Ernie Ward reviews the current pentobarbital pet food recall, the history of euthanasia solution present in pet foods, and the most likely source of pentobarbital contamination in dog foods.
Dog Food Survey Results - Survey #1, Qualitative Analyses for Pentobarbital Residue:
Survey #2, quantitative analyses for pentobarbital residue
Dry dog food samples purchased in Laurel, MD, area, December 2000 also included in above link.
Appendix - Dog Food Samples Used in CVM Pentobarbital Surveys and Analytical Results:
Food and Drug Administration/Center for Veterinary Medicine Report on the Risk from Pentobarbital in Dog Food:
How to Report a Pet Food Complaint: