RUDN Journal of Agronomy and Animal IndustriesRUDN Journal of Agronomy and Animal Industries2312-797X2312-7988Peoples’ Friendship University of Russia named after Patrice Lumumba1618Comparative analysis of mesenteric lymph nodes of mail and femail of nutriaSuntsovaN АИммуно-гистологическая лабораторияФГОУ ВПО; Вятская государственная сельскохозяйственная академия; Vyatka State Agricultural Academy-PanfilovA B-Vyatka State Agricultural Academy150120091414505092016Copyright © 2009,2009A comparative analysis of mesenteric lymph nodes number, absolute and relative mass of male and female nutria in postnatal life of standard color nutria from newborn till 32-month old was made. It was stated that newborn nutria have all groups of mesenteric lymph nodes. Male newborns have more mesenteric lymph nodes than female ones. With females' growth, the number of mesenteric lymph nodes is reducing in their gut. In most age groups females have larger relative mass than males do.