PECULIARITIES OF ECOLOGY AND AEROBONE RESPIRING OF NEMATODES OF THE SPECIES DICTYOCAULUS FILARIA PARASITES OF RUMINANTS

Abstract

Summary Nematodes of the species Dictyocaulus filaria parasitize in the lungs of ungulates, negatively affect the host organism, affecting the metabolism. The cycle of development of the considered nematodes occurs in a direct way, i.e. without the intervention of an intermediate host. The contact of invasive elements with the final host occurs through trophic channels within the "parasite-host" system. The age composition of the population of the genus Dictyocaulus consists of free-living and parasitic groups. Each group occupies a certain ecological niche in biocenoses. A high aerobic respiration of the nematode D. filaria was established in comparison with warm-blooded rats. The inhibitory analysis of nematode respiration allows us to note that the respiratory system of these organisms is largely focused on the consumption of amino acids and their dicarboxylic products. This circumstance is important for assessing the metabolic factor in the host-parasite relationship and the nature of the parasitism of the studied nematodes, one of the consequences of which may be the depletion of vital proteins and amino acids, as well as a decrease in the access of oxygen to the host organism.