Comparative analysis of mesenteric lymph nodes of mail and femail of nutria

Abstract

A 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.