Greatest milk yield by a cow – lifetime

According to Official Guinness Records,

The highest recorded world lifetime yield of milk is 216,891 kg (478,163 lb) as verified from the production certificate dated 27 February 2012. Smurf is a Holstein cow owned by La Ferme Gillette Inc. Dairy Farm (Canada) in Embrun, Ontario, Canada.
Smurf's milk production is all kept on record because she gets tested once a month by an official measuring system as used by farms internationally. Born on 13 September 1996, she was 15 years of age and the oldest cow on the farm at the time of her record-breaking achievement.

For a complete list of 2012 records, please visit 2012 Guinness Records in Canada.

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