Effect of adding different levels of neem (azadirachtaindica) seeds powder and aqueous extract on production performance of the broiler chickens

The study was conducted at the animal farm, Department of Animal production, College of Agriculture - University of Tikrit, included field experimentation which conducted during 28/3/2013 to 9/5/2013 The present study was conducted to explore the effect of different levels of Neem (Azadirachtaindica) Seeds powder and aqueous extract on Performance of production of the Broiler Chickens , the study include 525 chicks of broiler from un sexed hybrids (Hubbard), day one-old from Samarra's Salahaldin province, The chicks were divided randomly at the age of 2 week to seven treated groups each group has three replicates and each replicate included 25 chicks were treated as follows : T1. Control without any addition, T2.T3.T4. Supplemented with powdered seeds of the Neem to diet at ratios of 1.5, 2 and 2.5 g / kg of diet respectively ,T5.T6.T7. supplemented extract of the seeds Neem to drinking water by 20.30 and 40 ml / liter of water respectively. The results of the study showed that: A significant (p <0.05) for aqueous extract treatments of Neem seed and especially Add 40 ml / liter of drinking water in the rate of body weight (g)compared to the control groupwhilst not recorded any significant differences in theincrease weight rate andfeed conversation rate efficiency.