World Holstein Friesian Federation
The objective of the Federation is to improve, develop and promote the Holstein Breed

Changes in International AI Sire Parentage

Internationally it has been recently discovered that there has been a very small number of identification errors in the parentage of AI sires.
This is the effect of the new SNP parentage verification technology over the traditional microsatellite parent validation process.

Listed are sires which this applies to, together with updated information on the new SNP verified parentage:
Name of Sire Change made Country Year of change
Newfailand Mr Frosty Sire United Kingdom February 2012