1. Enzymes - An Introduction 2. Enzyme Production for Livestock Feeds 3. Solid State Fermentation for Enzyme Production 4. An Overview of Agro Industrial by Products for Enzyme Production in Solid State Fermentation 5. Enzymes Produced from Solid State Fermentation  6. Enzymes in Ruminant Diets 7. Explorative Studies in Enzyme Production Using Various Agro Industrial by Products 8. Laboratory Technique to Produce Fungal Enzyme Mixture Using Paddy Husk by Solid State Fermentation 9. Scaling up of Enzyme Production at Farm Level Using Solid State Fermentation (SSF)