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AgVetLink: Number 61, April 2007

Invitation to comment on draft VICH residue guidelines

A VICH Expert Working Group on Metabolism and Residue Kinetics is developing guidance documents on the following topics:

Topic 1: Study requirements to identify the nature and quantity of residues

Topic 2: Study requirements to demonstrate comparative metabolism

Topic 3: Study requirements to demonstrate residue depletion and to establish withdrawal periods

Topic 4: Validation requirements for analytical methods used in residue trials

Topic 5: Harmonisation of scientific model assumptions (withdrawal time calculations)

First drafts of the guidance documents for topics 1, 3, 4 and 5 are available on the VICH section of the NZFSA website. Comments on these draft documents are welcome and should be emailed to Warren Hughes (warren.hughes@nzfsa.govt.nz) by 25 May 2007.