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R. Murwani
Department of Animal Science, Faculty of Animal and Agricultural Sciences, Diponegoro University Semarang, Central Java,
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences

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Performance, carcass and meat quality of broilers raised at a high stocking density and supplemented with encapsulated Cosmos caudatus K. leaf extract S. D. Pawesti; E. Widiastuti; R. Murwani; H. I. Wahyuni; T. Yudiarti; T. A. Sartono; S. Sugiharto
Journal of the Indonesian Tropical Animal Agriculture Vol 47, No 2 (2022): June
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.47.2.107-108

Abstract

The aim of this study was to determine the effect of supplementation of encapsulated Cosmos cau-datus K. leaf extract (ECLE) on performance, carcass and meat quality of broilers at high density pens. Three hundred and seventy broiler chicks were divided into 5 treatments and 5 replications. The treat-ment was conducted on days 15 to 42 in T0 group (10 chicks/m2 + basal feed), T1 (16 chicks/m2 + ba-sal feed), T2 (16 chicks/m2 + basal feed containing ECLE 0.5 g/kg feed), T3 (16 chicks/m2 + ECLE 1.0 g/kg feed), and T4 (16 head/m2 + ECLE 1.5 g/kg feed). ECLE reduced feed consumption, increased body weight gain, improved feed conversion ratio (FCR), increased the European Production Efficien-cy Factor (EPEF) and European Broiler Index (EBI) in T2 and T3 (P<0.05). Carcass weight and per-centage were increased in T3 and T4 (P<0.05). Breast percentage was higher (P<0.05) in T0, T1 and T2; wing and thigh percentages were higher (P<0.05) in T3 and T4; drumstick and giblet percentages were lower (P<0.05) in T3. Drumstick’s pH were higher (P<0.05) in T2, T3 and T4. Thigh fat de-creased (P<0.05) at T4. The redness (a*) in T3 and T4 were significantly better. Overall, at high densi-ty pens, ECLE at 0.5 g/kg feed enhanced broiler performance, carcass percentage, and breast meat quality.
Co-Authors E. Widiastuti H. I. Wahyuni S. D. Pawesti S. Sugiharto T. A. Sartono T. Yudiarti