乳牛 を 代替 する 決定 は 経済 的 に 正当 な もの か スイス の 農場 の 証拠
Simon Schlebusch1,2, Rennie Eppenstein3, Daniel Hoop1
1Agroscope, Tänikon 1, 8356 Ettenhausen, Switzerland.
Animals : an open access journal from MDPI
|August 28, 2025
まとめ
スイスの酪農家は 牛の代用について 健全な決定を下し 莫大な経済的損失を 避けています しかし 早期の採集は 持続可能性と動物福祉に 影響を及ぼし 群れの健康改善の必要性を強調しています
科学分野:
- 農業経済学
- 動物科学
- 乳製品管理
背景:
- 乳牛の置き換えは 牛の20~40%にとって 重要な年次決定であり 相当な金銭的投資を伴うものです
- 最適でない寿命 (最適の5~6対3の値) は,不利益の牛の早死と維持による経済的損失につながります.
- 生産,コスト,健康に関する正確な評価は 効果的な代替戦略に不可欠です
研究 の 目的:
- スイスにおける乳牛の代替決定を理論的なモデルと比較して分析する.
- スイスの牛乳農場における最適でない代替決定の経済的影響を評価する.
- 代替決定とその経済的結果に影響を与える要因を特定する.
主な方法:
- スイスの乳酪農家29人の 5年間の代替決定の分析
- 確立された理論的経済モデルとの農家の決定の比較
- 牛の残留と早産に伴う経済的損失の計算
主要な成果:
- 代替案の決定により,農場ごとに月平均161 CHF ± 164 CHFの損失が発生しました.
- 利潤が低い牛を飼うことで発生する損失は,早めに牛を飼うことで発生する損失の約3倍でした.
- 過去のいくつかの研究と違って,スイスの農家の決定は,一般的に経済的に健全であった.
結論:
- 経済的に合理的ですが 牛を早めに置き換えるのは 特に最初の対等性では 環境や動物の福祉や持続可能性に 負の影響を及ぼします
- 牛の健康と生育率の改善は 牛の生育率を削減し 牛の寿命を延ばすのに不可欠です
- 牛の健康に重点を置くと 経済的損失を軽減し 農場全体の持続可能性を高めることができます
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