ANN 111: Principles of Animal Nutrition and Feed Technology (2+1)

INTRODUCTION

• Plants synthesize complex substances from simple substances like CO₂, N,  H₂O etc making use of solar energy. They use carbon dioxide from the air, water and other inorganic salts from the soil to synthesise carbohydrates, proteins and fat. Animals ingest these plants and utilise this energy for their bodily functions, tissue growth and production.
• An important constituent of the animal or plant body is water. The dry matter in both plants and animals is made up of organic and inorganic matter. Organic matter comprises mainly of three important nutrients namely carbohydrates, proteins and fat. Some minor constituents of organic matter are vitamins, nucleic acids and others. Inorganic matter is made up of various minerals.  
• Composition of animal body
• Composition of plants