Passwell Good Oil Birds 250ml. The Good Oil for Birds is an Omega-3 & 6 supplement for improve the health of birds and their eggs. Key Benefits: Supplies the Omega-3 & 6 Essential Fatty Acids that are deficient in most seed mixes. Enhances breeding performance by assisting with egg production, chick growth & immunity. Contains fat soluble Vitamins including A, D3 & E.