Organic Linseed Oil Cake animal feed is an all-natural, animal feed that is produced in small batches from organic linseed oil and organic wheat flour. It is produced without any artificial preservatives or pesticides, and it is certified organic by the USDA. It has a light yellow color and a mild, nutty taste.Linseed oil cake is made from ground linseed, a plant seed. The oil extracted from the seed is a natural source of omega-3 fatty acids, which are essential for a healthy, vibrant life. The oil is highly resistant to rancidity, which makes it a great choice for animal feed.