Farm wastes, especially rice straw, are one of the dangerous environmental pollutants. Burning rice straw is a yearly environmental problem in Egypt, which causes a huge dark clouds and smoke.There is no way to collect those huge amounts of farm wastes in short time to help farmers to prepare their lands to the next crop. Cellulose and hemicellulose constitute about 90 % of farm waste. We found that the native ruminant animals had the ability to digest rice straw by its rumen microflora, which is genetically able to secrete the cellulolytic enzymes. So the aim of this book is "production of...