Discussing a Higher Diploma Thesis at the College of Agriculture
The Animal Production Department at the College of Agriculture , University of Diyala discussed the higher diploma thesis entitled (Effect of Supplementation of Zinc Methionine in Production and Immune performance of Layer Hen), by Noor Talib Majeed
The study included the effect of adding different levels of zinc methionine (0, 30, 60 and 90 mg/kg) in the diet in some of production performance, 144 chickens (Lohmann Brown) at the age of 21 weeks were used in the experiment.