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All Journal Journal of the Indonesian Tropical Animal Agriculture Tropical Animal Science Journal Prosiding Seminar Nasional Mini Riset Mahasiswa
Adli, D. N.
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Energy

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The effect of increasing levels of palm kernel meal containing α-β-mannanase replacing maize to growing-finishing hybrid duck on growth performance, nutrient digestibility, carcass trait, and VFA Sjofjan, O.; Adli, D. N.; Natsir, M. H.; Nuningtyas, Y. F.; Bastomi, I.; Amalia, F. R.
Journal of the Indonesian Tropical Animal Agriculture Vol 46, No 1 (2021): March
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.46.1.29-39

Abstract

In this experiment, we investigated the effect of increasing levels of palm kernel meal containing α-β-mannanase replacing maize to growing-finishing hybrid duck on growth performance, nutrient digestibility, and carcass trait. One hundred and ninety- six hybrid ducks [(Peking x Khaki Campbell)] with 410.52 ± 95.25 g BW) were allotted to 5 dietary treatments with 9 ducks (unsexed) per pen and 4 replicates per treatments. These dietary treatments were: NC (negative control; maize-soybean-meal based diet), PKM25 (maize replacement with PKM α-β-mannanase 25%), PKM50 (maize replacement with PKM α-β-mannanase 50%), PKM75 (maize replacement with PKM α-β-mannanase 75%), PKM100 (maize replacement with PKM α-β-mannanase 100%). There was a curve linear decrease in the growing phase and finisher phase in feed intake as the level of α-β-mannanase palm kernel meal increased in the diet. Curvilinear, the result was presented no significant difference (P>0.05) on the initial body weight, growing and finishing phase body weight. The result of this study showed the used α-β-mannanase in the palm kernel meal presented a significant difference (P < 0.05) on the nutrient digestibility of dry matter and crude protein. Furthermore, Carcass traits showed the reflection in line with the final weight and internal organs were better to compare to control 0.5% using α-β-mannanase in the palm kernel meal. In summary, the increase of the level of palm kernel meal with α-β-mannanase enzyme was had a positive effect on the hybrid ducks and the replacement of palm kernel meal by 25% with the addition of the α-β-mannanase enzyme was able to improve digestibility and reduce abdominal  fat of hybrid ducks. 
Pengaruh Level Protein Dalam Media Maggot Sebagai Aditif Pakan Terhadap Kualitas Daging Dada Ayam Pedaging Hadi, Tasya Anggraini Sukma; Sjofjan, Osfar; Adli, D. N.
Prosiding Seminar Nasional Mini Riset Mahasiswa Vol 3, No 1 (2024)
Publisher : Universitas Negeri Gorontalo

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Abstract

Penelitian ini dilakukan untuk menganalisis pengaruh level protein dalam media maggot sebagai aditif pakan terhadap kualitas daging dada ayam pedaging. Materi yang digunakan dalam penelitian ini adalah 160 ekor DOC broiler dan tepung maggot. Metode yang digunakan dalam penelitian ini adalah percobaan lapang dengan 5 perlakuan dan 4 ulangan meliputi P0 (Pakan basal tanpa perlakuan), P1 (Pakan basal + 0,25% tepung maggot), P2 (Pakan basal + 0,50% tepung maggot), P3 (Pakan basal + 0,75% tepung maggot), P4 (Pakan basal + 1% tepung maggot). Variabel yang diamati adalah deposisi daging dada, Water Holding Capacity (WHC), keempukan dan protein daging. Data yang diperoleh dianalisis secara statistik dengan menggunakan analisis varian (ANOVA) dari rancangan acak lengkap (RAL). Apabila terdapat pengaruh diantara perlakuan maka dilanjutkan Uji Jarak Berganda Duncan's (UJBD). Berdasarkan hasil penelitian dapat disimpulkan bahwa penambahan tepung maggot sebagai aditif pakan pada ayam pedaging memberikan berpengaruh tidak nyata (P0,05) terhadap deposisi daging dada, protein, Water Holding Capacity (WHC) dan keempukan. Berdasarkan penelitian yang telah dilakukan dapat disimpulkan bahwa penggunaan tepung maggot sebagai aditif pakan tidak menunjukkan adanya peningkatan terhadap kualitas daging dada ayam pedaging.
A Comprehensive Meta-Analysis of Cassava Addition in a Buffalo Diet: In Vivo Investigations on Performance and Rumen Health Amirul, F. M. A.; Mazlan, N. A.; Sadarman, S.; Rusli, N. D.; Sholikin, M. M.; Irawan, A.; Febrina, D.; Qomariah, N.; Nurfitriani, R. A.; Aditya, S.; Jayanegara, A.; Saad, M. Z.; Adli, D. N.; Hassim, H. A.
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.2025.48.4.298

Abstract

This meta-analysis compiles data on buffalo consumption of cassava as a feed ingredient to evaluate its impact on in vivo rumen fermentation, feed intake, nutrient intake, growth performance, digestibility, nitrogen metabolism, haematology, microbiology, and milk yield. A systematic search of Scopus and Web of Science identified 19 in vivo experiments. Cassava varieties were categorized as by-products, foliage, and roots, while buffaloes were stratified based on management system, breed, and sex. A linear mixed model was applied to estimate the effects of cassava inclusion. The findings indicated feed and nutrient intake, particularly crude protein intake and nitrogen retention, increased significantly (p<0.05), while crude protein digestibility showed no significant difference. Microbiological parameters, including total bacterial and fungal counts, also increased significantly (p<0.05), whereas methane production after 24 hours declined significantly (p<0.05). Although production parameters such as body weight, feed conversion, and milk yield were not significantly affected, a trend toward improvement was observed, except for feed conversion. Cassava root and foliage exhibited the highest digestibility and nitrogen retention compared to by-product (p<0.05). A restricted feeding system resulted in higher ammonia (NH3-N) concentrations, protozoa count, and proteolytic and cellulolytic microbial populations compared to ad libitum feeding and an extensive system (p<0.05). Murrah buffaloes showed greater feed intake, while male buffaloes demonstrated higher digestibility (p<0.05). In conclusion, dietary cassava, approximately 1.5% to 20.5% DM, potentially stimulates rumen fermentation, nutrient intake, digestibility, and microbiology but has only a modest effect on production parameters. High cassava inclusion may reduce feed acceptability, thereby decreasing feed efficiency.
Co-Authors Aditya, S. Amalia, F. R. Amirul, F. M. A. Anuraga Jayanegara Bastomi, I. Febrina, D. H. A. Hassim, H. A. Hadi, Tasya Anggraini Sukma Irawan, A. Mazlan, N. A. Natsir, M. H. Nuningtyas, Y. F. Nurfitriani, R. A. O. Sjofjan Osfar Sjofjan Qomariah, N. Rusli, N. D. Saad, M. Z. Sadarman, S. Sholikin, M. M.