An experiment was carried out on broiler litter by using dry neem leaves (DNL) and biochemical product to know their effect on the reduction of ammonia (NH3) level. Cobb 500 day old chicks were reared under semi environmental controlled house for 28 days where last 7 days was the experimental period. Body weight (BW), mortality rate, feed conversion ratio (FCR) was recorded from treatments. NH3 level of litter was measured by LaMotte Ammonia air test kit. DNL and biochemical product was spread in the litter at 32g, 50g and 100g per 16 sq ft respectively. The NH3 level before application and after 1 day and 2 days was measured and result shown, after using Biochemical product, NH3 level was reduced by 64%, where DNL at 50 g per 16 sq ft has a great effect on the reduction of NH3 (90%) also on bad odor of the poultry litter but not affecting BW, FCR, mortality rate. Application of 100g in 16 sq ft was simultaneously reduced the level of NH3 (93%), but with negative effect on the BW (final BW 1250.00±12.34). It may be concluded that DNL at an amount of 50 gm /16sq ft may be considered as standard to reduce the NH3 level of litter also bad smell. It may be cost effective where Biochemical products are unavailable and ignored by the farmers.
Neem leaves, broiler, ammonia, litter.