Applied Animal Nutrition-I

Procedure for preparing urea enriched paddy straw

 UREA ENRICHED PADDY STRAW

 Materials required

• Paddy straw - 100 kg.
• Urea - 4 kg.
• Water  - 65 litres
• Spinkler

Procedure

• To enrich 100 kg of paddy straw
  • Dissolve 4 kg urea in 65 litres of water
  • Spread a polythene sheet/Gunny bag on the floor. Initially spread 5 kg of paddy straw in layers.
  • Using the sprinkler, sprinkle the prepared urea solution over the paddy straw ensuing that all the paddy straw is wet by it.
  • Similarly spread another layer of paddy straw over the first layer and repeat the sprinkling of urea solution.
  • Repeat the spreading and sprinkling for the entire 100 kg of paddy straw and heap it and cover the straw with polythene sheets to prevent the escape of ammonia liberated from urea. This step facilitates the breakage of lignocellulose bond by ammonia thereby releasing cellulose from lingin bondage for digestion and utilisation.
  • After 21 days the urea treated paddy straw is ready for feeding .
• The urea enriched paddy straw, may be left in the open for 10 minutes prior to feeding in order to remove the pungent odour of ammonia.