sporocysts were observed in the gonad of one male, with severe tissue damage, almost castrating it (Fig.
Given the evidence of the pathogenic effects on fish of the parasitic trematode
, it follows that monitoring the spread and rates of infection, particularly for threatened and endangered species, is of critical importance because it can potentially alter the demographics of populations.
The life history of trematodes
, which (at the adult stage) infect African fish, has so far not been studied in detail and their first molluscan and other intermediate hosts remain unknown as yet.
cratera was originally described by Barker (1915) from Nebraska muskrats, this is the first report of this trematode
from a Nebraska raccoon.
For 50 years it remained the most complete taxonomic revision of the trematode
family Spirorchiidae and has been cited countless times.
Fasciolosis, caused by the digenetic trematodes
of the genus Fasciola, is one of the most important plant borne helminthes infections of human and livestock in many parts of the world.
Wet environmental conditions are favourable for the development, survival and translocation of pre-parasitic stages of gastrointestinal nematodes and trematodes
during the wet season.
found that the sturgeon genome contains trematode
genes that did not originally belong to it and may harbor a protozoan parasite that causes a sexually transmitted disease in humans.
Various genera of Protozoa (including Entamoeba, Endolimax, Iodamoeba, Balantidium, Giardia and Blastocystis), nematodes (such as Strongyloides, Trichuris, Ascaris, Enterobius, Trichostrongylus and hookworms) and one trematode
(a dicrocoeliid) were identified.
Su agente etiologico es el trematode
Fasciola hepatica (distoma, duela del higado, liver fluke, saguaype), el cual parasita a todos los mamiferos, incluyendo al hombre (3,8,11, 14).
The most commonly found deformities are frogs or toads found with missing or truncated limbs, and although parasites occasionally cause limblessness in a frog, these deformities are almost never associated with the trematode
species known to cause extra limbs," said Stanley Sessions, an amphibian specialist and professor of biology at Hartwick College, in Oneonta, New York.
In 2006 six helminth species were found: five trematode
species, Plagiorchis elegans (Rudolphi, 1802), Skrjabinoplagiorchis ondatrae (Andrejko, 1965), Psilotrema spiculigerum (Muhling, 1898), Psilotrema simillimum (Muhling, 1898), Echinostoma sp.
In Britain, fascioliasis disease is caused mainly by a trematode
parasite called fasciola hepatica.
Geographic variation in incidence of trematode
parasites of American plaice (Hippoglossoides platessoides) in the Northwest Atlantic.
The historically large volume, steady flow, and warm temperature (74[degrees]F or 23[degrees]C) of the Comal River created habitat for the fountain darter and, unfortunately, a non-native snail, the red-rimmed melania (Melanoides tuberculatus), and its accompanying parasitic trematode