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All Journal Bantara Journal of Animal Science Aves : Jurnal Ilmu Peternakan
Risma Novela Esti
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Economics, Econometrics & Finance Immunology & microbiology

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Egg Quality of Layer Hens Reared in Two Different Housing Systems Salnan Irba Novaela Samur; Risma Novela Esti
Bantara Journal of Animal Science Vol. 6 No. 2 (2024): BJAS
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/bjas.v6i2.5353

Abstract

This study aims to determine whether there is a significant difference in the quality of eggs from chickens raised in closed-house and open-house cages. This study was conducted in Close housed and house cages for Isa Brown strain layer chickens in the Blitar Regency area in May 2024. The materials used in this study were 40 eggs of 68-week-old Isa Brown strain chickens kept in closed houses and open houses. This research was conducted using an experimental quantitative method using an unpaired t-test, which was analyzed using the Microsoft Excel application. The results showed that the egg weights of chickens reared in the closed house and open house were 63.80 g and 59.68 g; the egg index was 79.06 from the closed house cage and 76.19 from the open house cage. The Yolk index was 0.65 from the closed-house cage and 0.74 from the open-house cage. Haugh Unit (HU) 61.90 from the closed house cage and 64.40 from the open house cage. This study concludes that there is a significant difference in the quality of eggs from chickens reared in closed and open houses. The best egg weight and index were found in chickens reared in a closed house. At the same time, the best yolk index and HU were found in eggs from hens reared in open houses.
Intensifikasi Produksi Hijauan Tebon Jagung Berbasis (SBM) Sludge Biogas Media untuk Peningkatan Biomasa dan Nutrient Pakan agustina widyasworo; alfan setya winurdana; risma novela esti; Resti Yuliana Rahmawati
AVES: Jurnal Ilmu Peternakan Vol. 20 No. 1 (2026): Juni 2026
Publisher : Universitas Islam Balitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35457/gqw9xx67

Abstract

Increasing the efficiency of forage production requires the utilization of locally available resources to reduce dependence on inorganic fertilizers without compromising crop productivity and nutrient quality. Biogas sludge contains organic matter and nutrients, making it a potential soil conditioner and partial substitute for chemical fertilizers. This study aimed to evaluate the effects of Sludge Biogas Media (SBM) as a partial substitute for commercial fertilizer on biomass production and nutrient quality of corn forage (Zea mays). The study employed a Completely Randomized Design (CRD) consisting of four treatment combinations of SBM–soil composition and chemical fertilizer substitution levels (P0: control soil without SBM + 100% fertilizer; P1: SBM:soil 1:1 + 70% fertilizer; P2: SBM:soil 1:2 + 50% fertilizer; P3: SBM:soil 1:3 + 25% fertilizer) with five replications. Observed parameters included fresh biomass weight, dry matter (DM), organic matter (OM), and crude protein (CP). Data were analyzed using ANOVA followed by Duncan's Multiple Range Test (p < 0.05). The results showed that SBM treatment significantly affected (P < 0.05) fresh biomass and DM percentage, but had no significant effect (P > 0.05) on OM and CP contents. Treatment P2 produced the highest fresh biomass (1,095.00 g/plant) and DM content (25.48%). Meanwhile, OM (87.30%–87.40%) and CP (9.40%–9.58%) remained stable across all treatments. In conclusion, the P2 formulation (SBM:soil = 1:2 with 50% inorganic fertilizer) is the optimum treatment to enhance biomass yield and dry matter while reducing chemical fertilizer inputs by 50% without compromising forage nutrient quality.
Co-Authors Agustina Widyasworo Alfan Setya Winurdana Resti Yuliana Rahmawati Salnan Irba Novaela Samur