background leptospirosis is a widespread zoonosis in the world with more prevalence in tropical and subtropical regions. the disease is very common in flat area of gilan, northern iran, where the climate is humid and temperate and rice farming is main agricultural activity in rural areas. patients and methods we performed this study in 2004 by taking blood samples from 465 hospitalized patients...

BACKGROUND Carnivore carcasses on the roads can be regarded as study materials in parasitology and eco-epidemiology. Stray carnivores such as dogs and cats are known to harbor so many different pathogens like zoonotic helminthes. The current investigation, apparent the status of the helminthic parasites found in road killed carnivores from different parts of Guilan Province north of Iran. MET...

Russian ( ), Persian ( ) and Siberian ( Acipenser gueldenstaedtii A. persicus A. ) sturgeons are closely related ‘Ponto-Caspian’ species. Investigation of baerii their population structure is an important problem, the solution of which determines measures for conservation of these species. According to previous studies, ‘baerii-like’ mitochondrial genotypes were found in the Caspian Sea among 3...

Introduction Lymnaea gedrosiana snails are hosts to a variety of trematode cercaria public and veterinary health importance. In Guilan Province, Iran, region with high level fish bird farming wetlands important for migratory birds, little is known about the from L. . Methods From April 2020 October 2021, six freshwater sites in Province were sampled Lymnaeidae three times per season (spring, su...

Current taxonomy of western Eurasian trout leaves a number of questions open; it is not clear to what extent some species are distinct genetically and morphologically. The purpose of this paper was to explore phylogeography and species boundaries in freshwater and anadromous trout from the drainages of the Black and the Caspian Seas (Ponto-Caspian). We studied morphology and mitochondrial phylo...

...........................................................................................................................................1 Table of

The rapid rise of Caspian Sea water level (about 2.25 meters since 1978) has caused much concern to all five surrounding countries, primarily because flooding has destroyed or damaged buildings and other engineering structures, roads, beaches and farm lands in the coastal zone. Given that climate, and more specifically climate change, is a primary factor influencing oscillations in Caspian Sea ...