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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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A study was conducted to investigate the effect of supplementing earthworm meal(EWM) on the egg quality and performance of laying hens. A total of 360 laying hens at 55 weeks of age were fed the experimental diets containing 0(Control), 0.3 and 0.6% of EWM for 5 weeks. Eggs were collected and weighed in every day and egg production and feed conversion were weekly recorded. However egg quality were measured for last week of experimental period.
When fed both 0.3 and 0.6% of EWM, egg production and daily egg mass tended to increase but were not different between those treatments. Feed intake and feed conversion ratio of laying hens were not different among three groups. Egg shell thickness, breaking strength, color and egg yolk color were tend to improve in both 0.3 and 0.6% of EWM compared to those of control. The haugh units(HUs) showed no difference among each treatments at 1d after laying egg, but increased in EWM treatments compared to control for storage period. As, Cd, Cr, Hg and Pb detected 4.41, 1.23, 1.18, 0.00 and 3.39ppm in EWM, respectively, but which were not detected in control.
It assumed that supplementing 0.3% of earthworm meal in the 55 weeks old laying hens diet, improved the laying performance and egg quality.
When fed both 0.3 and 0.6% of EWM, egg production and daily egg mass tended to increase but were not different between those treatments. Feed intake and feed conversion ratio of laying hens were not different among three groups. Egg shell thickness, breaking strength, color and egg yolk color were tend to improve in both 0.3 and 0.6% of EWM compared to those of control. The haugh units(HUs) showed no difference among each treatments at 1d after laying egg, but increased in EWM treatments compared to control for storage period. As, Cd, Cr, Hg and Pb detected 4.41, 1.23, 1.18, 0.00 and 3.39ppm in EWM, respectively, but which were not detected in control.
It assumed that supplementing 0.3% of earthworm meal in the 55 weeks old laying hens diet, improved the laying performance and egg quality.
목차
ABSTRACT
서론
재료 및 방법
결과 및 고찰
적요
인용문헌
참고문헌 (23)
참고문헌 신청
[학술지(정기간행물)] - AOAC / 1996 / Association of Official Analysis Chemists
[학술지(정기간행물)] - Carpene E, / 2005 / Distribution of Cd, Zn, Cu and Fe among selected tissues of the earthworm(Allolobophora caliginosa) and Eurasian wood cock(Scolopax rusticola). 348 (8) : 267 ~ 277
[학술지(정기간행물)] - / / Hilton JW 1983 Potential of freeze-dried worm meal as a replacement for fish meal in trout diet formulations 32 : 277 ~ 283
[학술지(정기간행물)] - / / Mclnroy DM 1971 Evaluation of the earthwormEisenia foeridaas food for man and domestic animals : 20 36 ~ 47
[학술지(정기간행물)] - forage water analysis / / Nahm KH 1992 Practical guide to feed
[학술지(정기간행물)] - Carpene E, / 2005 / Distribution of Cd, Zn, Cu and Fe among selected tissues of the earthworm(Allolobophora caliginosa) and Eurasian wood cock(Scolopax rusticola). 348 (8) : 267 ~ 277
[학술지(정기간행물)] - / / Hilton JW 1983 Potential of freeze-dried worm meal as a replacement for fish meal in trout diet formulations 32 : 277 ~ 283
[학술지(정기간행물)] - / / Mclnroy DM 1971 Evaluation of the earthwormEisenia foeridaas food for man and domestic animals : 20 36 ~ 47
[학술지(정기간행물)] - forage water analysis / / Nahm KH 1992 Practical guide to feed
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UCI(KEPA) : I410-ECN-0101-2009-527-015599032