"Compound feedingstuffs" means products:
(a) which contains per 100 kilograms of finished product,
... (iii) not less than 2,5 kilograms of non-butter fats and at least 2 kilograms of starch or puffed starch in cases where 5 kilograms of lucerne meal or grass meal containing at least 50% (m/m) of particles not exceeding 300 microns are incorporated per 100 kilograms of skimmed milk powder ...