Spirurida (Nematoda) parasites of animals in Uzbekistan

F. Akramova; U. Shakarbaev; Z. Hamrokulova; A. Mirzaeva; S. Saidova; M. Gaipova; F. Uralova; M. Toremuratov; I. Arepbaev; U. Turemuratova; K. Saparov; D. Azimov

doi:10.15421/0225182

F. Akramova Institute of Zoology
U. Shakarbaev Alfraganus University
Z. Hamrokulova Samarkand State University
A. Mirzaeva Institute of Zoology
S. Saidova Institute of Zoology
M. Gaipova Tashkent Branch of the Samarkand State University of Veterinary Medicine
F. Uralova Institute of Zoology
M. Toremuratov Institute of Agriculture and Agrotechnologies of Karakalpakstan
I. Arepbaev Karakalpak State University
U. Turemuratova Karakalpak State University
K. Saparov Uzbekistan National Pedagogical University
D. Azimov Institute of Zoology

Keywords: helminths, nematodes, Spirurida, Spirurina, Camallanina, Filariina, Crustacea, Uzbekistan.

Abstract

We analysed our research data and available literature on the species composition of the order Spirurida, parasites of fish, birds and mammals in Central , North - Eastern and North - Western Uzbekistan, and esta b lished that Spirurida in this region are represented by 133 species belonging to the suborders Spirurina, C a mallanina and Filariina. Spirurina includes 44 species, 14 of which are parasites of birds and 30 are parasites of mammals. Camallanina are represented by 15 species, most of which are fish parasites (11 species). The largest group is Filariina (84 species), composed of parasites of land and wetland birds (64 species) and mammals (20 species). The most widespread parasites represent the following genera: Gongylonema , Phys a loptera , Rictularia , Physocephalus , Spirocerca , Parabronema , Acuaria , Tetrameres , Camallanus , Philom e tra , Ph i lometroides , Rhabdochona , Aprocta , Splendidofilaria , Ornithofilaria , Diplo t riaena , Paronchocerca , Dirofilaria , Onchocerca and Setaria . The studied Spirurida parasitise almost all organs and systems of the mentioned animals. Numerous species of invertebrates, mainly crustaceans and insects, participate in the life cycles of Spirurida. Parasitological studies of the Cyclops community , inhabitants of diverse bodies of water in Uzbekistan, show how a number of species of Cyclopidae and Gammarus are infected with larval stages of Spirurida. These crustaceans are common in water bodies and show a prevalence of infection with Spir u rida ranging from 0.1% to 0.5%. The intensity of infection is from 1 to 3 individuals. The Spirurida larvae found in crustaceans represented 8 species from the families Spiruridae, Tetrameridae, Camallanidae, Phil o metridae, Dracunculidae, and Gnathostomatidae. According to our research, crustaceans play a significant role in the circulation of pathogenic species and groups of Spirurida, which indicates the stability of the Sp i rurida-crustaceans-vertebrates parasitic system in the biogeocoenoses of Uzbekistan.

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