PART 1Centres or holdings from which semen or embryos may be collected
1. The centre or holding must have been free from disease for at least three months prior to, and thirty days after, the date of collection of the semen or embryos.
2. It must be situated in the centre of an area of 10 km radius in which there has been no case of disease for at least the 30 days prior to the date of collection.