THE PRODUCTIVE PERFORMANCE, HEMATOLOGICAL PARAMETERS, AND ECONOMIC EFFICIENCY EFFECTS OF FERMENTED SOYBEAN MEAL ON BROILER CHICKS

Document Type : Full research articles

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1 Animal and Poultry Production Dep., Faculty of Agriculture, Damanhour University, Egypt

2 Poultry Production Department, Faculty of Agriculture, Alexandria University

Abstract

Identifying alternative replacements for soybean meal in a high quality and reasonable price is important in poultry production and physiological parameters. The study aimed to evaluate the impact of replacing soybean meal (SBM) with fermented soybean meal (FSBM) in the diets of broiler chicks on productive performance, hematological parameters, and economic efficiency. A total of one hundred fifty 1-day-old (Cobb 500) male broiler chicks were randomly assigned into three experimental groups with 5 replicates each with 10 chicks per replicate. Three diets with 0.0% FSBM as control, 20% FSBM, and 40% FSBM replacement levels of SBM were formulated from the first day of their life until day 35 of age. Results pointed out that body weight (d 35), body weight gain (d 1-35), feed consumption (d 1-35), and feed conversion ratio were significantly (P≤ 0.05) improved in groups using FSBM compared with the control group. Furthermore, FSBM groups significantly (P≤ 0.05) increased the values of RBCs, Hb, PCV, and WBCs compared with 0% FSBM. The groups that had received FSBM showed a greater number of lymphocytes compared with the control group. While the 40%FSBM group showed significantly lower heterophils compared with other groups. The 20% FSBM group was reported to have higher feed cost significantly compared with other groups. However, the 40% group had the lowest body weight cost compared with other groups. The use of 40% FSBM group has made the highest total revenue. Notably, group 40% was greater in net revenue, economic efficiency, and European production efficiency index. In conclusion, replacing SBM with 40% FSBM in broiler chicks’ diet as a source of protein had a considerably positive impact on growth performance, feed conversion ratio, hematological parameters, and economic efficiency at 35 d of old

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