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Animal Industry Report

Extension Number

ASL R2896

Topic

Poultry

Summary and Implications

Soybean protein is the major source of protein and amino acids in poultry diets, although soy contains several indigestible and anti-nutritional components that might negatively affect broiler chick performance. Two experimental diets were formulated to contain high soy, combination of toasted full fat soybeans and soybean meal 48, and low soy, soy protein reduced and replaced with dried distillers grains with solubles, canola meal, meat and bone meal and synthetic lysine. From these two diets, three concentrations of dietary soy inclusion were generated including low (20% soy products), middle (28% soy products), and high (35% soy products) by using either 100% or a 50/50 mixture of the two diets. Experimental diets were fed to broilers from day 10 to 21. Nitrogen corrected apparent metabolizable energy (AMEn), feed intake, feed conversion ratio (FCR), and body weight gain data were collected. High soy inclusion significantly reduced feed intake in comparison to the both low and middle soy inclusions. Body weight gain, FCR and AMEn were not negatively affected.

Copyright Holder

Iowa State University

Language

en

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