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All Journal Journal of the Indonesian Tropical Animal Agriculture Tropical Animal Science Journal Jurnal Ilmu Peternakan dan Veteriner Tropis (Journal of Tropical Animal and Veterinary Sciences) Bantara Journal of Animal Science Jurnal Agrisistem Tropical Animal Science Livestock and Animal Research Prosiding SNPBS (Seminar Nasional Pendidikan Biologi dan Saintek) Journal of Smart Agriculture and Environmental Technology
Lilik Krismiyanto
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Economics, Econometrics & Finance Energy Environmental Science Immunology & microbiology Social Sciences Veterinary

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Journal : Tropical Animal Science Journal

 1 
Intestinal Morphology, Protein Digestibility, and Broiler Performance Fed Encapsulated Dahlia Tuber Extract and Bacillus subtilis Anjani, L.; Yunianto, V. D.; Suthama, N.; Krismiyanto, L.
Tropical Animal Science Journal Vol. 48 No. 4 (2025): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5398/tasj.2025.48.4.338

Abstract

This study aimed to evaluate the effects of encapsulated dahlia tuber extract and Bacillus subtilis (EdteBs) on intestinal morphology, protein digestibility, and broiler performance. A total of 200 eight-day-old Ross 308 broilers (initial body weight: 194.60 ± 3.46 g) were divided into four dietary treatments with five replications. The treatments were: T0 – basal diet (control) without EdteBs supplementation; T1 – T0 + 0.1% EdteBs; T2 – T0 + 0.2% EdteBs; and T3 – T0 + 0.3% EdteBs. Variables measured included potential hydrogen (pH), lactic acid bacteria (LAB) population, coliform count, villus height, crypt depth, intestinal segment weight and height, protein digestibility, feed intake, body weight gain (BWG), feed conversion ratio (FCR), and income over feed cost (IOFC). Data were analyzed using analysis of variance, followed by Duncan’s test at a 5% significance level (p<0.05). Results showed that EdteBs supplementation at higher levels (T2 and T3) significantly (p<0.05) increased LAB population, villus height, crypt depth, and intestinal segment weight and height, while pH and coliform counts decreased. Protein digestibility and BWG also significantly improved (p<0.05) in T2 and T3. Both feed intake and BWG increased, particularly in T3, contributing to lower FCR and higher IOFC. In conclusion, EdteBs supplementation enhances intestinal morphology, protein digestibility, and broiler performance, with the most effective level at 0.3%.
Encapsulated Cardamom Waste Extract (Amomum compactum) Supplementation Improves Health and Performance of Broiler Chickens Alfonia, R.; Ismadi, V. D. Y. B.; Sugiharto; Krismiyanto, L.
Tropical Animal Science Journal Vol. 49 No. 1 (2026): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5398/tasj.2026.49.1.63

Abstract

Encapsulated cardamom waste extract (ECWE) contains flavonoids with antibacterial and antioxidant properties that may enhance broiler health and performance. This study evaluated the effects of ECWE as a phytobiotic on broiler intestinal microbiota, pH, H/L ratio, lymphoid organs, and performance. A total of 200 unsexed Ross broilers (8 days old) with an average body weight of 215.08±5.1 g/bird were assigned to five dietary treatments: T0 (control), T1 (0.02% ECWE), T2 (0.04% ECWE), T3 (0.06% ECWE), and T4 (0.08% ECWE). Results showed that 0.08% ECWE significantly increased lactic acid bacteria (LAB) populations, lymphoid organ, and broiler performance. The increase in LAB given 0.08% ECWE is more effective in helping to reduce intestinal pH and to minimize the growth of pathogenic bacteria that can interfere with chicken digestion. In addition, the antioxidant properties in ECWE had a positive effect on the development of lymphoid organs, especially the thymus. It is concluded that ECWE supplementation at 0.08% was the most effective in improving digestive tract health and optimizing broiler performance.
Co-Authors Agritio Amanusa Agusetyaningsih, I. Alfonia, R. Amal Nur, Fauziah Amanusa, Agritio Anjani, L. Azki Azhari Azmi Bambang Sukamto Bambang Sukamto Bambang Sukamto Doni Eko Prabowo E. Widiastuti Emerson Umbu Hemur Patangara ERMA WIDIYANTI Fajar Wahyono H. I. Wahyuni H.I. Wahyuni I, Marhaeni I. Mangisah Ismadi, V. D. Y. B. ISTNA MANGISAH M. Mulyono N. Suthama Ningsih, Kevita Widya Nuraeni Nyoman Suthama Nyoman Suthama Pawesti, S. D. Prabowo, Doni Eko Rochman, F. S. Sugiharto Sari, D. A. P. Soraya Faradila, Soraya Sugiharto Tristiarti Tristiarti Turrini Yudiarti V. D. Yunianto Vitus Dwi Yunianto Budi Ismadi Vitus Dwi Yunianto Dwi Yunianto Yunianto , Vitus Dwi Yunianto, Vitus Dwi Yunianto Dwi Yuniasari, Finas Anggi