| 中文名稱 | 牛隻的熱緊迫 |
|---|---|
| 英文名稱 | Heat stress in cattle |
| 建立日期 | 2007/11/01 |
| 更新日期 | 2007/11/01 |
| 中文描述 | 在大熱天時乳牛生產力下降並且在心血管,消化,呼吸和其他身體系統有變化.體溫提升是對於熱緊迫,最明顯的生理反應指標.體節細胞量和臨床乳房炎在熱天氣會增加.不孕症是最重要的問題之一在熱緊迫的牛.甚至北方氣候的牛的繁殖力是在很熱的幾個月較低的. |
| 英文描述 | In very hot weather productivity of dairy cattle drops and there are changes in the cardiovascular, digestive, reproductive and other body systems. Elevated body temperature is the best indicator of physiological response to heat stress. Somatic cell counts and clinical mastitis increase in hot weather. Infertility is one of the most important problems in heat-stressed cattle. Even in northern climates fertility is lower during the hottest months. |