According to Official Guinness Records,
Kyle, a collie/Staffordshire bull terrier, who is 45.7 cm (18 in) long, swallowed a 38.1 cm (15 in) bread knife in December 2000. The knife was stuck in its stomach, pointing towards its throat.The dog was taken to the People's Dispensary for Sick Animals in Leeds, where Dr. Ann Draper removed the knife. Kyle is now living a normal life back at home with owner Eva Oliver (UK).
For a complete list of 2000 records, please visit 2000 Guinness Records in United Kingdom.