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アイスランドの広範囲飼育馬における胃疾患の流行に関連するリスク要因は,一カレンダー年に4回評価された
Nanna Luthersson1, Patricia A Harris2, Tim Parkin3
1Hestedoktoren, Højgård Hestehospital Group A/S, Kr. Eskilstrup, Denmark.
Equine veterinary journal
|September 1, 2025
まとめ
アイスランドの馬には,状胃病 (ESGD) と腺性胃病 (EGGD) がよく見られます. 草の不足や群れの大きさにより ESGD のリスクが高くなり,年齢や歯の問題は EGGD に寄与する可能性があります.
科学分野:
- 獣医学
- 馬の健康について
- 胃腸内科
背景:
- アイスランド馬の秋冬期における馬性胃病 (ESGD) と馬腺性胃病 (EGGD) の高い罹患率
- ESGDとEGGDの季節的影響に関する不確実性
研究 の 目的:
- アイスランド馬における胃視的に有意なESGD (ESGDSIGN),重度のESGD (ESGDSEV),および有意なEGGD (EGGDSIGN) の流行を決定する.
- ESGDSIGNとEGGDSIGNに関連したリスク要因を4つの時間点で特定する.
主な方法:
- 4つの農場と3つの地域の80頭のアイスランド馬 (3〜26歳) を対象とした前向きな縦断コホート研究.
- ガストロスコピーは4つの時間点 (5月,8月,11月,2月) で実施され,形態測定,臨床,行動,管理要因の評価が行われました.
- ESGDとEGGDの潜在的なリスク要因を分析するために使用される多変数ロジスティック回帰.
主要な成果:
- ESGDSIGNの48%から72%とEGGDSIGNの33%から45%の年間流行率が記録された.
- 特定されたESGDSIGNの危険因子には,飼料補給なしの草の利用可能性の低下と地理的地域が含まれます.
- EGGDSIGNの危険因子には,ESGDSIGNの存在,高齢者 (> 14歳),および歯の異常 (スコア > 0/2) が含まれる.
結論:
- 拡張的に管理された運動していない馬のEGGDと,高粉の食事を与えられていない馬のESGDの適度な確率は確認されています.
- ESGDとEGGDの新たな危険因子,ESGDに対する群の大きさ,EGGDに対する年齢/歯科の問題の可能性を特定した.
- 牧草地の栄養含量と馬の胃疾患の流行に影響を与える社会的要因に関するさらなる研究が必要であることを強調した.
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