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V. D. Y. B. Ismadi
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.
Effect of encapsulated Tahongai (Kleinhovia hospita l.) leaf extract on growth performance, intestinal condition and antioxidative status of broilers raised in high stocking density pens R. Yusuf; V. D. Y. B. Ismadi; S. Kismiati; S. Sugiharto
Journal of the Indonesian Tropical Animal Agriculture Vol 49, No 4 (2024): December
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.49.4.286-296

Abstract

The objective of the present study was to investigate the effect of Kleinhovia hospita L. extract (KE) on growth performance, intestinal condition and antioxidative status of broilers raised in high stocking density pens. A total of 370-day-old broiler chicks were randomly grouped into five groups with five replicates. The groups were T0 (chicks raised in normal density, 10 birds/m2; as a negative control), KE0 (chicks raised in high density, 16 birds/m2, without KE supplementation; as a positive control), KE0.25, KE0.5 and KE1 (chicks raised in high density with KE supplementation of 2.5, 5 and 10 g/kg, respectively). Based on the completely randomized design, the data were treated. Results showed that KE1 chicks had the highest (p<0.05) body weight (BW) at day 21 and 28. The T0, KE0 and KE2.5 chicks consumed more (p<0.05) feed than the other treatment groups. The KE0.25, KE0.5 and KE1 showed lower (p<0.05) FCR than the KE0 group. The KE0 chicks showed lower (p<0.05) carcass yield than the other groups. The KE0 had the highest (p<0.05) heart relative weight of all groups. The KE1 had the highest (p<0.05) small intestinal weight, cecum, colon and abdominal fat of any treatment group. Among the groups, crypt depth of the duodenum in KE0 was the lowest (p<0.05). There was no substantial effect of the treatments on the counts of coliform and lactic acid bacteria in the ileum of broilers. The superoxide dismutase (SOD) levels in KE0.5 and KE1 were higher (p<0.05) than those in T0, KE0 and KE0.25 groups. In conclusion, stocking in high density pens negatively af-fected the carcass yield of broiler chickens. Dietary KE supplementation was beneficial in improving FCR and antioxidant status of broiler chickens.
Co-Authors F. Rochman L. Krismiyanto N. Suthama R. Yusuf S. Kismiati S. Sugiharto