The government is criticised for withholding documents about the 2015 killing of a Briton in Syria.
Alun Cairns spoke at the last Welsh Questions in the House of Commons before the general election.
The risk of outbreaks is now seen as low, but keepers are urged to stay alert to signs of disease.
The parties’ key poll pledges.
Conservationists accuse the Welsh Government of not doing enough to protect historic landscapes.