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All Journal Journal of Automotive Technology Vocational Education Engagement: Jurnal Pengabdian Kepada Masyarakat
Desi Tri Utami
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Religion Arts Humanities Automotive Engineering Education Engineering Social Sciences

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INOVASI MESIN HAMMER MILL JAGUNG HORIZONTAL SEBAGAI TEKNOLOGI PRODUKSI PAKAN TERNAK ORGANIK Teguh Wiyono; Desi Tri Utami; Luluk Takari Sarjana Rini
Journal of Automotive Technology Vocational Education Vol. 6 No. 2 (2025): Desember
Publisher : Pendidikan Vokasional Teknologi Otomotif, Universitas PGRI Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31316/jatve.v6i2.9154

Abstract

This study aims to evaluate the innovation of a horizontal corn hammer mill machine as a technology to support the improvement of efficiency and quality in livestock feed production. The study used an applied experimental design with a quantitative approach to assess the technical performance of the machine. The treatment variables included variations in rotor speed and hammer design, while the response variables included production capacity, electricity consumption, and particle size distribution of the milled product. The study was conducted on a small to medium production scale using dry shelled corn as feed raw material. Data collection was carried out through controlled machine performance testing, then analysed descriptively and quantitatively by comparing the average values of each performance parameter. The results showed that the horizontal corn hammer mill machine with a driving power of 5.5 HP and a rotation speed of 2500 rpm was capable of achieving a production capacity of up to 300 kg/hour with a relatively compact machine design. The machine demonstrated competitive efficiency compared to similar machines and was able to produce more uniform corn particle sizes, which contributed to improved physical feed quality. The integration of machine design, material flow control, and appropriate operational parameters made this technology applicable and potentially widely applicable in small to medium-scale livestock feed businesses. Keyword: hammer mill, animal feed production, particle size, corn grinding
Building Livelihood Resilience through Participatory Action Research and a Circular Economy Model for Female-Headed Farming Households Sholikhah, Nining; Desi Tri Utami; Nuning Melianingsih; Chusna Cahya Marhaeni
Engagement: Jurnal Pengabdian Kepada Masyarakat Vol. 10 No. 1 (2026): February 2026
Publisher : Asosiasi Dosen Pengembang Masyarajat (ADPEMAS) Forum Komunikasi Dosen Peneliti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29062/engagement.v10i1.2314

Abstract

Background: Female heads of households in rural areas face economic vulnerability due to limited access to productive resources and high dependence on household food expenditures. In rural households, the potential of kitchen waste and yard land has not been managed in an integrated manner. Purpose of the Study: This article aims to analyze the implementation of a community service program based on a circular economy through the integration of native chicken (layer) farming, kitchen waste management, and micro-vegetable gardens for female heads of households. Methods: The community service program used a Participatory Action Research (PAR) approach, involving participants as active subjects in problem identification, action planning, implementation, and reflection. Data was collected through participatory observation, FGDs, interviews, questionnaires, and production records. Results: The results showed a Hen Day Production rate of 70–80%, additional income of Rp 180,000–Rp 390,000 per month, and savings on vegetable purchases of Rp 40,000–Rp 60,000 per month. The integration of activities formed a circular economy flow that strengthened household economic and food resilience.
Co-Authors Chusna Cahya Marhaeni Luluk Takari Sarjana Rini Nuning Melianingsih Sholikhah, Nining Teguh Wiyono