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The esophageal worm (Spirocerca lupi) is a bright red worm that causes nodules in the esophageal wall. Male worms measure about 40 mm, and female worms are about 70 mm long. Infection occurs perorally via intermediate hosts (various dung beetles) or via paratenic hosts such as chickens, reptiles, and rodents infected by eating the beetles. The ...
The most common cause of echinostomiasis is from the members of the genus, Echinostoma. [15] These parasites are found worldwide, but are particularly common in South East Asia such as South Korea and the Philippines. The infection is usually acquired via the consumption of undercooked (or raw) freshwater fish, amphibians, mollusks or ...
Trichinosis is mainly spread when undercooked meat containing Trichinella cysts is eaten. [1] Wild meat is more likely to contain the parasite. [7] [8] In North America this is most often bear, but infection can also occur from pork, boar, and dog meat. [9] Several species of Trichinella can cause disease, with T. spiralis being the most common ...
Pet owners are being warned to keep dogs away from dead fish after several cases of salmon poisoning were reported near Newport on the Oregon Coast.
Parasites of coral reef fish include nematodes, Platyhelminthes (cestodes, digeneans, and monogeneans), leeches, parasitic crustaceans such as isopods and copepods, [52] [53] [54] and various microorganisms such as myxosporidia and microsporidia. Some of these fish parasites have heteroxenous life cycles (i.e. they have several hosts) among ...
The genus Anisakis was defined in 1845 [2] by Félix Dujardin as a subgenus of the genus Ascaris Linnaeus, 1758.Dujardin did not make explicit the etymology, but stated that the subgenus included the species in which the males have unequal spicules ("mâles ayant des spicules inégaux"); thus, the name Anisakis is based on anis-(Greek prefix for different) and akis (Greek for spine or spicule).
Dogs that have been exposed can take up to seven days to exhibit symptoms, including: lethargy. fever. vomiting. diarrhea. enlarged lymph nodes. Many dogs infected with the disease will need ...
Trichinella spiralis is a viviparous [1] nematode parasite, occurring in rodents, pigs, bears, hyenas and humans, and is responsible for the disease trichinosis.It is sometimes referred to as the "pork worm" due to it being typically encountered in undercooked pork products.