Question to the Department for Environment, Food and Rural Affairs:

To ask the Secretary of State for Environment, Food and Rural Affairs, what data her Department holds on the number of salmon aquaculture sites in England and Wales that have used chemical treatments to control sea lice in the last five years; and whether she has a list of the active substances used.

There are no marine salmon aquaculture sites in England or Wales. Therefore, there are no recorded uses of chemical sea-lice treatments or sea-lice outbreaks.