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Influence of Feeding Dried Fly Larvae on Egg Quality in Laying Hens  

Hwangbo J. (National Livestock Research Institute, RDA)
Lee B. S. (National Livestock Research Institute, RDA)
Hong E. C. (National Livestock Research Institute, RDA)
Bae H. D. (National Livestock Research Institute, RDA)
Kang H. K. (Devision of Animal Resource Science, Kangwon National University)
Han K. H. (Devision of Animal Resource Science, Kangwon National University)
Jang A. R. (Korea Food Research Institute)
Park B. S. (Devision of Animal Resource Science, Kangwon National University)
Publication Information
Korean Journal of Poultry Science / v.32, no.3, 2005 , pp. 203-209 More about this Journal
Abstract
This study was conducted to evaluate the ffeding value of dried fly larva (DFL), and the effects of dietary DFL on the performance of laying hens. Ninety laying hens of 43 weeks of age(ISA brown) were randomly allotted to 5dietary treatments (0, 2, 5, 10 and $15\%$ DFL), and fed one of the experimental diets for 8 weeks. The formulae of 5 experimental diets were modified to contain $18.8\%$ CP and 2,900 ME kcal/kg. There were 3 replicates per treatment, and 6 brids Per replicate. No significant difference was found in egg Production among dietary treatments. The egg weight was increased (p<0.05) in DFL treatments compared to the control. Also, the egg shell breaking strength was increased(p<0.05) in DFL treatments by $14\%$ compared to the control. The saturated fatty acid content in egg yolk was decreased by $16\%$, and that of unsaturated fatty acid increased by $7\%$ in DFL treatments. Therefore, it could be suggested that DFL supplementation could improve the egg Qualify by increasing the egg weight, egg shell strength, and unsaturated fatty acid content in egg yolk.
Keywords
fly larvae; Haugh unit; fatty acid; egg cholesterol; egg yolk color;
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