Passwell Egg & Biscuit 500g. Passwell “Egg & Biscuit” is a nutritionally balanced, breeding and conditioning diet for canaries, finches, parrots and pigeons. Key Features: Provides essential nutrients to breeding birds for improved egg quality and chick health. Contains whole egg, high quality proteins and enriched with omega-3&6, vitamins & minerals. Scientifically formulated diet provides superior nutrition to most commercial or home-made recipes.