British Horse feeds Cooked Linseed 20KgInstant Conditioning Linseed British Horse Feeds Cooked Linseed is 100% whole linseed that has been cooked and micronised to provide the highest quality and to optimise digestibility and bioavailability of its nutrients. Processing has involved only heat, moisture and grinding to ensure improved nutrient availability; no added chemicals have been used. BHF Cooked Linseed is an ideal addition to any feeding regime, to key elements of protein, and oil.