Effects of Duckweed Meal Supplementation in Un-processed and Extruded Diets on Performance and Economics of Broilers
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Authors
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Inderpal Singh
Guru Angad Dev Veterinary And Animal Sciences University
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J.S. Lamba
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R.S. Grewal
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Udeybir Singh
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Daljeet Kaur
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Meera D. Ansal
Keywords:
Duckweed meal (DWM), Un-processed diet, Extruded diet, Feed Conversion Ratio (FCR), Protein Efficiency Ratio (PER), Calorie Efficiency Ratio (CER).Abstract
A study was conducted for nutritional evaluation of duckweed meal (DWM) as an alternate protein
source in broilers. DWM supplemented in un-processed and extruded diets and performance of broilers
was observed. 256 IBL-80, day old commercial broiler chicks were randomly distributed into eight
treatments with, four replicates each. The treatments were divided into two dietary groups: Un-processed
dietary group and Extruded dietary group. Both groups were having 4 treatments. Each replicate
was housing eight birds (8×4×8). Treatment T1 in both groups served as control treatment with 0%
DWM, treatment T2, T3 and T4 were supplemented with 2, 4 and 6 % DWM. In both dietary groups
significant differences for feed conversion ratio (FCR) was observed only during starter phase. In unprocessed
dietary group best FCR, protein efficiency ratio (PER) and calorie efficiency ratio (CER) was
observed for 2% duckweed meal supplemented group whereas in extrusion processed dietary group the
best FCR, PER and CER was observed for 4% duckweed treatment. The results indicated that duckweed
meal can be safely included in the broiler ration at 2 % level without treatment and at 4% level if used in
extruded form.
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