There are a number of websites and articles related to preservatives in pet food. Please see links below for more information.

AVA warns of deadly preservatives in pet food 2 May 2006

www.ava.com.au

Dogs Life Magazine

www.dogslife.com.au

Steel RJ. Thiamine deficiency in a cat associated with the preservation of 'pet meat' with sulphur dioxide. Aust Vet J 1997;75(10):719-21.

www.pubmed.com

Relevant Websites

Australian Pet Food Association

www.pfiaa.com.au

Australian Pesticides and Veterinary Medicine Authority

www.apvma.gov.au