I would take it as party support but MPs will have their own views also, albeit when it comes to voting on legislation they will be expected to support the party line - with the party manifesto being relevant.
Alistair Carmichael MP was also present and spoke of the need for building consensus with rural communities. Mr Carmichael is the newly appointed chair of the Environment, Farming and Rural Affairs (EFRA) Select Committee, and he told guests at the event that his party would be a significant rural voice in Westminster following the general election. See update below with more details.
EFRA committee chair calls for close engagement with BASC and rural communities
Do write to your MP about the event and what was stated by the LibDem speakers as that will help raise their awareness also. There are many events at the conferences.