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<p style="LINE-HEIGHT: 11.25pt;"><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;"><font face="宋体">在临床上，应激因素是导致犬发病的一种常见因素。</font></span><span style="FONT-SIZE: 9pt; COLOR: #000066; FONT-FAMILY: Tahoma;">( k) I; p& O$ _
</span><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;"><font face="宋体">当动物突然面临一种情况时</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #000066; FONT-FAMILY: Tahoma;">,</span><font face="宋体"><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;">自身要发生的相应的变化：呼吸加深以</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #000066; FONT-FAMILY: Tahoma;"><p></p></span></font></p><p align="center" style="LINE-HEIGHT: 11.25pt; TEXT-ALIGN: center;"><font face="宋体"><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;">获取更多的氧，心律加快以向组织提供更多的血液，肝脏释放糖类给肌肉以补</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma;"><p></p></span></font></p><p align="center" style="LINE-HEIGHT: 11.25pt; TEXT-ALIGN: center;"><font face="宋体"><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;">充能量。这些会在几分钟或几秒钟内发生，这个过程叫全应激反应，是机体生</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma;"><p></p></span></font></p><p align="center" style="LINE-HEIGHT: 11.25pt; TEXT-ALIGN: center;"><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;"><font face="宋体">理调节反射的结果，例如在多种情况下促肾上腺皮质激素</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #000066; FONT-FAMILY: Tahoma;">(ACTH)</span><font face="宋体"><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;">的分泌增加，</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma;"><p></p></span></font></p><p align="center" style="LINE-HEIGHT: 11.25pt; TEXT-ALIGN: center;"><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;"><font face="宋体">血液中</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #000066; FONT-FAMILY: Tahoma;">ACTH</span><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;"><font face="宋体">的增高证实了有机体对危险情况所能做出的这种反映，</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #000066; FONT-FAMILY: Tahoma;">ACTH</span><font face="宋体"><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;">通常发</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma;"><p></p></span></font></p><p align="center" style="LINE-HEIGHT: 11.25pt; TEXT-ALIGN: center;"><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;"><font face="宋体">生在全应接过程的第二阶段</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #000066; FONT-FAMILY: Tahoma;">,</span><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;"><font face="宋体">及抵抗阶段。</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #000066; FONT-FAMILY: Tahoma;">ACTH</span><font face="宋体"><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;">能够刺激肾上腺分泌大量激素，</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma;"><p></p></span></font></p><p align="center" style="LINE-HEIGHT: 11.25pt; TEXT-ALIGN: center;"><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;"><font face="宋体">如可的松，去氢可的松这些急促激动了动物能源</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #000066; FONT-FAMILY: Tahoma;">(</span><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;"><font face="宋体">如糖原</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #000066; FONT-FAMILY: Tahoma;">)</span><font face="宋体"><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;">为机体提供能量。从</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma;"><p></p></span></font></p><p align="center" style="LINE-HEIGHT: 11.25pt; TEXT-ALIGN: center;"><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;"><font face="宋体">这个意义上看机体的这种反应是适应性的，这时的动物处于一种随时</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #000066; FONT-FAMILY: Tahoma;">"</span><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;"><font face="宋体">应战</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #000066; FONT-FAMILY: Tahoma;">"</span><font face="宋体"><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;">的</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma;"><p></p></span></font></p><p align="center" style="LINE-HEIGHT: 11.25pt; TEXT-ALIGN: center;"><font face="宋体"><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;">准备状态。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma;"><p></p></span></font></p><p align="center" style="LINE-HEIGHT: 11.25pt; TEXT-ALIGN: center;"><font face="宋体"><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;">如果危险继续存在，动物就进入全应激反应的最后过程及消耗阶段。这</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma;"><p></p></span></font></p><p align="center" style="LINE-HEIGHT: 11.25pt; TEXT-ALIGN: center;"><font face="宋体"><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;">时适应性的反映机制开始全面衰退，这一阶段的动物表现各种腺体活动下降，</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma;"><p></p></span></font></p><p align="center" style="LINE-HEIGHT: 11.25pt; TEXT-ALIGN: center;"><font face="宋体"><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;">增重下降，性活动停止等；还会表现胃溃疡，抗病力下降，大多数器官的功能</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma;"><p></p></span></font></p><p align="center" style="LINE-HEIGHT: 11.25pt; TEXT-ALIGN: center;"><font face="宋体"><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;">相继减弱。此时可见如果受到病原的侵袭是很容易发病的；如天气的变化、气</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma;"><p></p></span></font></p><p align="center" style="LINE-HEIGHT: 11.25pt; TEXT-ALIGN: center;"><font face="宋体"><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;">温的下降、市内外温度的差异、食物结构的改变、幼犬的断奶、惊吓等应激都</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma;"><p></p></span></font></p><p align="center" style="LINE-HEIGHT: 11.25pt; TEXT-ALIGN: center;"><font face="宋体"><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;">是我们平时容易忽略应激因素。只有避免这些不利情况的出现才能减少疾病的</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma;"><p></p></span></font></p><p align="center" style="LINE-HEIGHT: 11.25pt; TEXT-ALIGN: center;"><span style="FONT-SIZE: 9pt; COLOR: #000066; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma;"><font face="宋体">发生，保证犬的健康成长！</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma;"><p></p></span></p> |
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发表于 2006-7-22 20:23
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