Livestock and Animal Research
Vol 12, No 2 (2014): Sains Peternakan

Retensi Nitrogen dan Konversi Pakan Ayam Lokal Persilangan yang Diberi Ekstrak Umbi Dahlia (Dahlia variabilis) sebagai Sumber Inulin

A. F. Fanani (Fakultas Peternakan dan Pertanian, Universitas Diponegoro, Jalan Prof. H. Soedarto, SH, Tembalang 50275 Semarang)
N. Suthama (Fakultas Peternakan dan Pertanian, Universitas Diponegoro, Jalan Prof. H. Soedarto, SH, Tembalang 50275 Semarang)
B. Sukamto (Fakultas Peternakan dan Pertanian, Universitas Diponegoro, Jalan Prof. H. Soedarto, SH, Tembalang 50275 Semarang)



Article Info

Publish Date
06 Feb 2017

Abstract

The research was aimed to evaluate used dahlia tubersextract as inulinsource onnitrogen retention and feed conversion of crossbred local chicken (male native chicken × female laying hen). Three weeks old 160 unsex birds with average body weight 180.46±1.21g were kept until 8 weeks. The experimentwas designed ascompletely randomized design with 4 treatments and 4 replications (@10 birds). Treatments applied were T0: basal ration, T1: ration + 0.39% extract, T2: ration + 0.78% extract, T3: ration + 1.17% extract. Parameters observed werenitrogen retention, energy metabolism and feed conversion. The data were statistically analyzed according to ANOVA and continued by Duncan test at the level of 5%. The results showed that feeding dahlia tuberextract significantly affect (P<0.05) nitrogen retentionwith value T0-T3 (1.3g, 1.47g, 1.43g, 1.7g)and feed conversion (4.15, 3.58, 3.75, 3.47), but not significant of energy metabolism. In conclusion, the higher levels of feeding inulin in the form of extract in T3 (1.17%), increase nitrogen retention and improve feed conversionof crossbred local chicken.

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