In some areas however, it may be collected and used as litter material or used in fire making. In spite of rice husk abundance, nutritionists have neglected the use of it in animals feed production because of its fibre content, roughness poor nutritive value and induced irritation in digestive tract.
Rice husk contains 2.9-3.6% crude protein,
0.8-1.2% ether extract, 39-42% crude fibre and
15-22% ash. Attempts at increasing the utilization of fibrous feed ingredients like rice husk include adequate fortification with micro nutrients, supplementation with high quality protein and amino acids, physical and chemical pre-treatments and the use of microbial enzymes and antibiotics.