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The Effect of Natural Mineral Complex and Chitosan Supplementation on Egg Production and Characteristics in Laying Hens  

Yoo, J.S. (Department of Animal Resource & Science, Dankook University)
Kim, J.D. (CJ Feed Co. Ltd.)
Cho, J.H. (Department of Animal Resource & Science, Dankook University)
Chen, Y.J. (Department of Animal Resource & Science, Dankook University)
Kim, H.J. (Department of Animal Resource & Science, Dankook University)
Min, B.J. (Department of Animal Resource & Science, Dankook University)
Kang, D.K. (Department of Animal Resource & Science, Dankook University)
Kim, I.H. (Department of Animal Resource & Science, Dankook University)
Publication Information
Korean Journal of Poultry Science / v.33, no.4, 2006 , pp. 309-316 More about this Journal
Abstract
This study was conducted to investigate the effects of dietary natural mineral liquid complex on egg production and characteristics in laying hens. A total of two hundreds fifty two, 63-weeks-old, Hy-line brown commercial layers were used for 6 weeks. Seven dietary treatments included CON (Control), C1-M0.25 (CON diet+1% chitosan+0.25% natural mineral complex), C1-M0.5 (CON diet+1% chitosan+0.50% natural mineral complex), C2-M0.25 (CON diet+2% chitosan+0.25% natural mineral complex), C2-M0.50 (CON diet+2% chitosan+0.50% natural mineral complex), C3-M0.25 (CON diet+ 3% chitosan+0.25% natural mineral complex) and C3-M0.50 (CON diet+3% chitosan+0.50% natural mineral complex). For overall period, egg production, egg shall breaking strength, haugh unit, K and Fe concentrations of blood and Fe concentration of yolk were improved in additive natural mineral treatments compared to control treatment(P<0.05). K and Fe concentrations of blood and Fe concentration of yolk were increased in added 0.5% mineral treatment compared to added 0.25% mineral treatment(P<0.05). Additive 3% chitosan + 0.5% mineral treatments were improved on egg Production and egg shall breaking strength in laying hens(P<0.05). In conclusion, chitosan and natural mineral complex supplementation in lay hens diet improved egg oduction, egg all strength and mineral concentrations of blood and yolk.
Keywords
natural mineral complex; chitosan; egg characteristics; laying hens;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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