マレーシアの従来型ブロイラー養鶏システムのライフサイクルアセスメントとカーボンフットプリント削減戦略
Life Cycle Assessment of Conventional Broiler Farm System in Malaysia and Carbon Footprint Mitigating Strategies (原題)
Hui Ween Chin, T. P. Tee
🤖 gxceed AI 要約
日本語
マレーシアの商業ブロイラー生産をcradle-to-farm-gateでLCA評価し、1サイクルあたり63.97 tCO₂-eq/houseを算定。最大排出源は飼料生産、次いでエネルギー消費だった。鶏糞管理の3シナリオ（販売・堆肥化・バイオ炭化）を比較し、炭素削減率はそれぞれ25.79%、13.21%、16.98%と報告。販売は削減効果が最大だが廃棄物管理の持続性は最も低いと結論づけた。
English
This study applies cradle-to-farm-gate LCA to a commercial broiler farm in Malaysia, estimating 63.97 tCO2-eq per house per cycle, with feed production and energy use as the largest contributors. Comparing poultry litter management scenarios—selling, composting, and biochar conversion—carbon reductions were 25.79%, 13.21%, and 16.98%, respectively. Selling litter yields the greatest mitigation but the weakest sustainability gains, highlighting trade-offs for national net-zero goals.
Unofficial AI-generated summary based on the public title and abstract. Not an official translation.
📝 gxceed 編集解説 — Why this matters
日本のGX文脈において
日本では畜産由来GHGはScope3・サプライチェーン排出の一部として食品・小売企業の開示対象になりつつある。本稿のLCA手法と鶏糞管理の比較は、国内畜産・食品企業がSSBJやScope3算定に活用できる実務的示唆を含む。
In the global GX context
As ISSB/CSRD push Scope 3 and agricultural emissions into mandatory disclosure, this Malaysia case offers a replicable LCA framework for livestock supply chains. It shows that waste-management choices materially change a farm's carbon footprint, informing transition planning and supplier engagement in global food systems.
👥 読者別の含意
🔬研究者:畜産LCAにおける飼料・エネルギー由来排出の支配性と、鶏糞処理シナリオ間の削減率比較を定量化した基礎的知見を提供する。
🏢実務担当者:食品・畜産企業がScope3算定やサプライヤー削減策を設計する際、鶏糞の堆肥化・バイオ炭化が排出削減と持続性の両立に有効であることを示す。
🏛政策担当者:農業由来GHG削減と廃棄物管理政策のトレードオフを踏まえ、ネットゼロ目標達成に向けた畜産支援策の設計に示唆を与える。
📄 Abstract（原文）
The livestock industry is a significant anthropogenic source of greenhouse gas (GHG) emissions due to rapid development and intensified production systems. This study evaluated GHG emissions from a commercial broiler production system using a life cycle assessment (LCA) approach from cradle to farm-gate and assessed carbon footprint mitigation strategies for poultry litter (PL) management. Three scenarios were compared: selling PL (farmer’s practice), composting, and conversion into biochar. The LCA model was developed in accordance with Intergovernmental Panel on Climate Change (IPCC) guidelines and aligned with national sustainability goals. From each production cycle, 63.97 tCO₂-eq were estimated per house, with the largest contributor from feed production, followed by energy expenditure. Carbon reduction was reported to be 25.79%, 13.21%, and 16.98% by selling PL, composting, and biochar conversion, respectively. In carbon hotspot analysis, feed processing and energy consumption were determined as the major contributors from the production. Although selling PL brought greater carbon mitigation, it shows the least sustainable waste management and environmental gains compared to compost and biochar. Future studies should assess the emissions from land-use change, composting, and biochar production to improve the accuracy of carbon footprint estimations. These findings provide a clearer guide to improve poultry waste management and encourage achievement of national net-zero emission goals.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.47836/pjtas.49.4.02first seen 2026-09-11 05:06:43
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