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@article{Orimogunje_Fafiolu_Adetola_Olanloye_Bolatito_Orakwe_2025, title={EFFECTS OF CHELATED ORGANIC TRACE MINERAL BLENDS BASED DIET ON EGG-QUALITY CHARACTERISTICS OF EARLY-LAY BIRDS}, url={https://www.njap.org.ng/index.php/njap/article/view/8534}, DOI={10.51791/njap.vi.8534}, abstractNote={<p><em>Trace minerals commonly used in poultry are supplied by inorganic salts have low bioavailability because they </em><em>can form complexes with other nutrients in the gut. A 80-weeks experiment was conducted to evaluate the effects </em><em>of diet supplemented with chelated organic trace mineral blends on the egg quality characteristics of late-lay </em><em>birds. The experiment involved a total of 500 one- day old pullet chicks were randomly allotted to five dietary </em><em>treatments consisting of </em><em>positive control, recommended level of inorganic trace minerals in the premix 16, 64, </em><em>64 mg/kg of Cu, Zn and Mn (T1), </em><em>negative control, basal diet with 0.0, 0.0,</em><em>0.0 mg/kg of Cu, Zn and Mn i.e. </em><em>premix free of Cu, Zn and Mn (T2), </em><em>diets with 16, 64, 64 mg/kg of chelated Cu, Zn and Mn, 100% higher </em><em>than the manufacturer’s recommendation (T3), </em><em>diets with 8, 32, 32 mg/kg of chelated Cu, Zn and Mn, at the </em><em>manufacturer’s recommendation (T4) and </em><em>diets with 4, 16, 16 mg/kg of chelated Cu, Zn and Mn at 100% lower </em><em>than the manufacturer’s recommendation (T5), respectively. Each treatment was replicated ten times with 10 </em><em>birds per replicate. Egg quality characteristics were evaluated as response criteria in the experiment. Data </em><em>were subjected to one-way Analysis of Variance in a Completely Randomized Design. At the late-lay phase, egg </em><em>weight, egg length, egg width and Haugh unit were significantly (P&lt;0.05) improved with birds fed T3. A </em><em>significant (P&lt;0.05) increase in percentage albumen, albumen height, percentage yolk and yolk height were </em><em>observed for birds fed T3 at the late-lay phase. The study concluded that supplementation of chelated trace </em><em>mineral blends at 100% higher than manufacturer’s recommended level in the diets of egg-type chickens </em><em>resulted in an improved laying performance in respect to the egg quality characteristics of the early-lay birds.&nbsp;&nbsp;</em></p>}, journal={Nigerian Journal of Animal Production}, author={Orimogunje, A. A. and Fafiolu, A. O. and Adetola, O. O. and Olanloye, S. A. and Bolatito, O. and Orakwe, O. K. S.}, year={2025}, month={Mar.}, pages={1258–1261} }