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N. Suthama
Department of Animal Science, Faculty of Animal and Agricultural Sciences, Universitas Diponegoro
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences

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Intestinal microflora, body fat profiles and performance of male Tegal duck fed diet supplemented with red tomato extract F. Rochman; V. D. Y. B. Ismadi; L. Krismiyanto; N. Suthama
Journal of the Indonesian Tropical Animal Agriculture Vol 49, No 1 (2024): March
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.49.1.29-40

Abstract

The study was conducted to evaluate the effect of dietary supplementation of red tomato extract (RTE) on intestinal microflora, fat digestibility, body fat (meat fat mass, abdominal fat), and performances of male tegal duck. One hundred birds of male tegal ducks of 3 weeks old (initial body weight was 507.74±31.86 g) were randomly divided into 4 treatments with 5 replications (5 birds each) in a completely randomized design. Dietary treatments were basal diet without RTE as a control (T0), basal diet added with 0.10% RTE (T1), basal diet added with 0.15% RTE (T2) and basal diet added with 0.20% RTE (T3). Parameters measured were lactic acid bacteria (LAB), coliform, intestinal pH, fat digestibility, meat fat mass, abdominal fat, blood concentrations of malondialdehyde (MDA) and superoxide dismutase (SOD), body weight gain (BWG), carcass weight, feed consumption, and feed conversion ratio (FCR). Data were subjected to analysis of variance and continued to Duncan multiple range test when the treatment indicated significant (p<0.05) effect. Supplementation of RTE at higher level significanly (p<0.05) increased lactic acid bacteria (LAB), concentration of superoxide dismutase (SOD), carcass weight and body weight gain (BWG), while fat digestibility, meat fat mass, abdominal fat, malondialdehyde (MDA), intestinal pH, coliform counts and feed conversion ratio decreased (p<0.05), as compared to control. Feed consumption tended to decrease but not significant (p>0.05). In conclusion, feeding red tomato extract at a level of 0.20% (T3) can be categorized as effective in improving intestinal bacterial balance, body fat, increasing superoxide dismutase (SOD), an antioxidant enzyme, and performances of male tegal duck.
Feeding dietary inclusion of inulin on immune status, protein metabolism, and growth performance of Kedu chicken N. Suthama; I. Mangisah; L. Krismiyanto; V. D. Yunianto; M. Mulyono
Journal of the Indonesian Tropical Animal Agriculture Vol 50, No 1 (2025): March
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.50.1.22-32

Abstract

Indonesian Indigenous poultry originated from the central part of Java Island, called Kedu chick-en, given diet added with inulin of dahlia tuber extract (IDTE) to evaluate body resistance and protein deposition. The experimental animals were 150 birds of 14-day-old Kedu chicken (initial body weight was 148 ± 16.4 g) until 12 weeks old. Dietary treatments were T1: farmer’s diet with protein concen-trate; T2: T1 + 1.2% inulin of IDTE, and T3: modified diet with common protein sources + 1.2% IDTE. A completely randomized design was assigned with 3 treatments (5 replications with 10 birds each). Parameters observed were rate of passage, protein and fiber digestibilites, Nitrogen (N) and Cal-cium (Ca) retentions, body resistance (plasma concentration of corticosterone/CTC, level of immuno-globulin A/IgA, and heterophyl-lymphocyte/H/L ratio), protein metabolism (fecal Nτ–methylhistidine/Nτ–MH and muscle protein mass), feeds consumption, feed conversion ratio (FCR), and body weight gain (BWG). Analysis of variance and Duncan’s test were applied to analyze data. Rate of passage, N and Ca retentions, BWG, IgA level, and muscle protein mass increased; in contrast, FCR, fecal Nτ–MH, and plasma CTC decreased due to the feeding effect of the T3 diet. All parameters, except IgA level, between treatment T1 and T2 indicated similar values. It can be concluded that a modified diet added with IDTE (T3) can modulate the increase in N retention and immune status, with the decrease in muscle protein degradation indicated by low fecal Nτ–MH excretion, and finally, brings about a bet-ter growth rate, with higher muscle protein deposition.
Co-Authors F. Rochman I. Mangisah L. Krismiyanto M. Mulyono V. D. Y. B. Ismadi V. D. Yunianto