Scientia Agricultura Sinica ›› 2004, Vol. 37 ›› Issue (10): 1560-1563 .

• ANIMAL SCIENCE·VETERINARY SCIENCERE·SOURCE INSECT • Previous Articles     Next Articles

Effect of Energy on Serotonin-like Neurons in Duck Hypothalamus

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  1. 华中农业大学动物科技-动物医学学院
  • Received:2003-10-15 Revised:2004-07-14 Online:2004-10-20 Published:2004-10-20

Abstract: In the present study, the immunohistochemical method streptavidin-biotin-peroxidase complex (SABC) was used to examine the effect of energy on serotonin-like neurons in hypothalamus of Cherry valley ducks bred with high energy feed and low energy feed, respectively. All films were analysed by using a computer-assisted image analysis system. In high energy group, labeled cells are widely distributed in paraventricular nucleus(PVN,17.73±1.41 neurons/19.46×103μm2) and ventromedial hypothalamus (VMH, 15.80±1.71 neurons/19.46×103μm2). In low energy group, labeled cells are widely distributed in lateral hypothalamus(LH,11.25±1.53 neurons/ 19.46×103μm2), yet none in PVN.These results indicate that serotonin-like neurons in hypothalamus are involved in the regulation of food intake and energy metabolism.

Key words: Cherry valley duck, Serotonin, Hypothalamus, Food intake, Energy metabolism

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