Department of Agriculture, Food and the Marine

Under the Freedom of Information Act, I would like to request the following information, as I can't find it in public domain: 1. The legislation and procedures regarding the castration of pigs. 2. Query - is improvac used on pigs, how often, and what is the legislation regarding this. 3. The legislation and procedure regarding the nose ringing of pigs. 4. The legislation and procedure regarding the tail docking of pigs. 5. The legislation and procedure regarding the teeth clipping of pigs.