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Economic Assessment of Quality-Related Revenue Loss in a Closed-House Layer System: An Opportunity Cost Analysis Wahidiyah, Synta Nur; Huang, Wen Chi; Prafitri, Rizki; Nuningtyas, Yuli Frita
Jurnal Ilmu-Ilmu Peternakan Vol. 36 No. 1 (2026): April 2026
Publisher : Faculty of Animal Science, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jiip.2026.036.01.5

Abstract

This study evaluates the technical performance and economic implications of egg quality degradation in a closed-house layer system at UB Teaching Farm, Indonesia, across three production cycles (2020–2024). While automated systems are designed to optimize efficiency, hidden revenue leakage due to quality attrition is frequently overlooked in traditional financial analyses. Weekly production records were analyzed to quantify degraded egg rates and financial attrition using an opportunity cost framework. Differences in quality-related attrition across production cycles were evaluated using One-Way Analysis of Variance (ANOVA). The research quantified revenue loss resulting from the price disparity between Grade A eggs and abnormal (cracked/damaged) eggs. Results showed a total cumulative volume of 2,473 kg of abnormal eggs across the three cycles. Due to a contractual price agreement that limited the price gap to IDR 1,000/kg, the total cumulative revenue loss was contained at IDR 2,488,300. Economically, the study identified a cumulative revenue loss (P<0.05). Although physical attrition is below the 1% threshold, this loss represents a direct reduction in net profit margins and is equivalent to the cost of approximately 355 kg of high-quality layer feed. This study concludes that sustainable poultry management in closed-house systems requires not only advanced technology but also rigorous mechanical maintenance and data-driven interventions to mitigate quality-related financial leakage.
OPTIMALISASI POTENSI EKOSISTEM MANGROVE UNTUK PENGEMBANGAN WISATA BERKELANJUTAN DI DESA PATUGURAN Onni Meirezaldi; Saparila Worokinasih; Agung Nugroho Luthfi Imam Fahrudi; Rizki Prafitri; Avikamalia Trisnawati; Rafi Bintang Saputra; Restu Hilal Maulana; Angelina Palloan Primawardani; Shafira Indie Diva Hartono; Muhammad Yasir Mumtaz; Qoyyima Zulqarnaen; Hidayatulah Fikri Indra Aulia; Aurellia Prasetiya; Jenny Moh Sui Chien
Community Development Journal : Jurnal Pengabdian Masyarakat Vol. 5 No. 6 (2024): Vol. 5 No. 6 Tahun 2024
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cdj.v5i6.37296

Abstract

Ekosistem mangrove di kawasan pesisir memiliki peran penting baik secara ekologis maupun ekonomis, namun sangat rentan terhadap kerusakan akibat aktivitas manusia. Kegiatan pengabdian kepada masyarakat ini bertujuan untuk memulihkan ekosistem mangrove di Desa Patuguran, Kecamatan Rejoso, Kabupaten Pasuruan, melalui penanaman mangrove dan pendampingan dalam pembuatan Desain Master Plan untuk pengembangan wisata mangrove. Penanaman mangrove dilakukan untuk mengatasi permasalahan lingkungan, seperti abrasi dan penurunan kualitas air, dengan harapan memperkuat fungsi ekologis kawasan pesisir. Sementara itu, pembuatan Desain Master Plan bertujuan untuk memastikan pengembangan kawasan wisata dilakukan secara terarah dan berkelanjutan, selaras dengan tujuan pembangunan berkelanjutan. Hasil kegiatan menunjukkan bahwa keterlibatan masyarakat lokal dalam penanaman mangrove dan pembuatan master plan sangat krusial untuk keberhasilan jangka panjang. Saran yang diberikan meliputi pentingnya perawatan lanjutan, pencarian sumber pendanaan, penerapan teknologi ramah lingkungan, serta pemantauan dan evaluasi yang rutin. Kesimpulan ini menegaskan pentingnya pendekatan terintegrasi dalam pengelolaan dan pengembangan ekosistem mangrove yang berkelanjutan untuk meningkatkan kesejahteraan masyarakat dan menjaga kelestarian lingkungan.
The success rate of artificial insemination in Limousin crossbred heifer with additional concentrate Utami, Putri; Hantoro, Andriawan Soni; Prafitri, Rizki; Kuswati, Kuswati; Huda, Asri Nurul; Anugra Yekti, Aulia Puspita; Susilawati, Trinil
Livestock and Animal Research Vol 22, No 1 (2024): Livestock and Animal Research
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/lar.v22i1.67613

Abstract

Objective: This study aimed to determine whether the addition of concentrate to heifers could be the same as the success of AI in calving cows in terms of Return Rate (NRR), Conception Rate (CR), and Pregnancy Rate (PR).Methods: The material used in this study was 28 Limousine Crossbred cows with 13 cows and 15 heifers. There were two treatments, namely T0: Cows that had given birth with control feed (control without added concentrate) + BIO ATP after AI, while T1: Heifers with control feed and the addition of 1kg/day concentrate for seven days after AI + BIO ATP. Samples were selected by purposive sampling with the criteria of BCS 3-5 (1-9) and aged ≥ 2 years. The artificial insemination method uses rectovaginal with 4+ deposition at the 2nd and 8th hour after estrus, then injection of Bio ATP brand "Rheinbio" intramuscularly as much as 10 ml.Results: The results showed that the reproductive performance of Limousine Crossbred Cow that had given birth (T0) was NRR1 84.62%, NRR2 84.62%, CR 53.33%, and PR 66.67%, while in heifers (T1), it was NRR1 86 .67%, NRR2 60%, CR 20%, and PR 20%.Conclusions: The addition of concentrate feed of 1 kg/head/day for seven days before AI in heifers (T1) showed lower reproductive success than in cows that had given birth (T0) even without the addition of concentrate.