Bull sperm withdrawn at the artificial insemination factories that are kept under permanent supervision of state veterinary service of the exporting country is admitted to the territory of the Russian Federation. Bulls-donors of sperm destined for export must not be vaccinated against brucellosis. Bulls and cows-donors must not originate from sperm or embryos that come from UK, France, Ireland, Switzerland and Portugal or other countries struck by BSE. Animals must not have been fed by feedstuff