Classes for gardeners include tomatoes, lettuce and peas, with pancakes, oven scones and apple tarts among the baking to be judged.
The Farmers and Farmers Wives Choir will be back by popular demand.
Mr Armour said: ‘It is absolutely crucial to keep dogs on leads. The outdoor lambing season is in full swing and it is so important that folk are vigilant.
Police and the Argyll and Bute Council dog control warden are investigating the Sunday incident which is being linked to another sheep attack incident discovered on March 4 in Inveraray.