跑步机运动对蛋鸡后肢肌肉与腹部内脏血流分布的影响。

Effects of treadmill exercise on the distribution of blood flow between the hindlimb muscles and abdominal viscera of the laying fowl.

Brackenbury J H, el-Sayed M S, Darby C

Sub-Department of Veterinary Anatomy, University of Cambridge, England.

Br Poult Sci. 1990 Mar;31(1):207-14. doi: 10.1080/00071669008417247.

Abstract

Blood flow distribution between the abdominal viscera and the leg muscles of regularly-laying Rhode Island Red hens was measured at rest and immediately following treadmill exercise, using the radioactive microsphere technique. 2. Exercise brought about a 150% increase in metabolic rate and this was maintained continuously for 90 min. 3. Although there was a small shift in blood flow distribution towards the hindlimb muscles at the expense of the kidneys and reproductive organs, this was not statistically significant. 4. There was a significant reduction in blood flow to the preovulatory follicles of the ovary during exercise, relative to the rest of the abdominal viscera. 5. It is concluded that exercise of this intensity is insufficient to bring about gross changes in blood flow distribution between the abdominal viscera and the hindlimb muscles. The implications of this finding are discussed in relation to the nutrient and blood flow requirements of the reproductive organs.

摘要

采用放射性微球技术，在静息状态和跑步机运动后即刻，测量了正常产蛋的罗德岛红母鸡腹部脏器与腿部肌肉之间的血流分布。2. 运动使代谢率提高了150%，并持续维持90分钟。3. 尽管血流分布略有向 hindlimb 肌肉转移，以肾脏和生殖器官为代价，但这在统计学上并不显著。4. 运动期间，相对于腹部脏器的其他部分，卵巢排卵前卵泡的血流显著减少。5. 得出的结论是，这种强度的运动不足以引起腹部脏器与 hindlimb 肌肉之间血流分布的总体变化。结合生殖器官的营养和血流需求，讨论了这一发现的意义。（注：原文中“hindlimb”未翻译，可能是特定专业术语或拼写有误，可根据实际情况修正）