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Swine Nutrition and Feed Technology
Asian-Australasian Journal of Animal Sciences 1998;11(3): 239-244.
DOI: https://doi.org/10.5713/ajas.1998.239    Published online June 1, 1998.
Use of dried carrot meal (DCM) in laying hen diet for egg yolk pigmentation
A. C. Sikder, S. D. Chowdhury, M. H. Rashid, A. K. Sarker, S. C. Das
Dried carrot meal (DCM) prepared from fresh carrot was found to be a good source of xanthophyll (54 mg/kg) and moderate source of protein (188.3 g/kg) and energy (2,510 kcal/kg) with low level of fibre (80 g/kg). DM, EE and NFE content of DCM were 895, 35 and 661.7 g/kg respectively. The ingredient was used in laying hen diet to evaluate its pigmenting value for egg yolk. Thirty-two laying hens from Starcross strain were divided into four groups and fed four different diets: a control diet containing 62% ground wheat, a corn-based diet (50% ground yellw corn), control + 4% DCM and control +8% DCM. Use of DCM at 8% level in layer mash significantly improved yolk colour at 3rd, 6th and 9th week of supplementation in comparison with wheat-based control diet. This improvement was statistically similar to that obtained from yellow corn-based diet. DCM at 4% level also improved yolk colour score. Wheat-based diet significantly increased feed consumption compared to yellow corn and diet supplied with 8% DCM. Body weight gain, egg production, feed conversion were not significantly affected due to dietary addition of DCM and no mortality was observed during 63-day experimental period. Further works on DCM are suggested.
Keywords: DCM; Diet; Egg-Yolk; Pigmentation; Xanthophyll; Yolk Colour

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