Research Article Open Access

Effects of Replacing Soybean Meal with Fermented Leaves and Seeds of the Rubber Tree (Hevea brasiliensis) on the Production and Egg Quality of Kamang Laying Ducks

Authors

CORRESPONDING AUTHOR
Erman Syahruddin
Department of Animal Production, Faculty of Animal Sciences, Andalas University, Kampus Limau Manis, Padang 25163, West Sumatra, Indonesia
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Rita Herawaty
Department of Animal Nutrition and Feed Technology, Faculty of Animal Sciences, Andalas University, Kampus Limau Manis, Padang 25163, West Sumatra, Indonesia
|
Azhar
Department of Animal Production, Faculty of Animal Sciences, Andalas University, Kampus Limau Manis, Padang 25163, West Sumatra, Indonesia
Published on: January 15, 2019
DOI 10.3923/pjn.2019.153.158
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Abstract

Background and Objective: This study aimed to reduce the use of imported feed ingredients and feed ingredients that are competitive with human needs through a transition to local conventional feed. Thus, the potential of fermented leaves and seeds of the rubber tree (FLSRT) as a substitute for soybean meal in Kamang laying duck rations without adverse effects on Kamang laying duck production was assessed. Methodology: This experiment used 240 Kamang laying ducks aged 20 weeks. A completely randomized design with four replications was used and the six treatments replaced 0, 20, 40, 60, 80 and 100% of soybean meal with FLSRT. The variables measured were feed intake, feed conversion and income over feed cost (gross profit), as well as variables related to egg production (hen-day production and egg weight) and egg quality (eggshell thickness and yolk color index). The data were analyzed statistically using analysis of variance (ANOVA) and if the result showed a marked influence, then Duncan’s multiple range test (DMRT) was applied. Results: The performance of Kamang laying ducks was not affected significantly by substituting FLSRT for soybean meal. Feed intake, feed conversion and egg production were also not altered. Conclusion: FLSRT can be substituted for up to 100% of soybean meal in the diet of Kamang laying ducks.

Keywords:

Egg quality, fermented leaves, fermented seeds, hen-day production, Kamang laying duck, rubber tree

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How to Cite

Syahruddin, E., Herawaty, R., & Azhar. (2019). Effects of Replacing Soybean Meal with Fermented Leaves and Seeds of the Rubber Tree (Hevea brasiliensis) on the Production and Egg Quality of Kamang Laying Ducks. Pakistan Journal of Nutrition, 18(2), 153–158. https://doi.org/10.3923/pjn.2019.153.158
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