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Dracunculus medinensis (Guinea worm, dragon worm, fiery serpent [1]) is a nematode that causes dracunculiasis, also known as guinea worm disease. [2] The disease is caused by the female [ 3 ] which, at around 80 centimetres (31 inches) in length, [ 4 ] is among the longest nematodes infecting humans. [ 5 ]
Dracunculiasis, also called Guinea-worm disease, is a parasitic infection by the Guinea worm, Dracunculus medinensis. A person becomes infected by drinking water contaminated with Guinea-worm larvae that reside inside copepods (a type of small crustacean). Stomach acid digests the copepod and releases the Guinea worm, which penetrates the ...
Eradication of dracunculiasis is an ongoing program. Dracunculiasis, or Guinea worm disease, is an infection by the Guinea worm. [1] In 1986, there were an estimated 3.5 million cases of Guinea worm in 20 endemic nations in Asia and Africa. [2] Ghana alone reported 180 000 cases in 1989. The number of cases has since been reduced by more than ...
In the latter, the eggs develop in utero for about 28 days, with only about 10 days of external incubation (in contrast to a chicken egg, which spends about one day in tract and 21 days externally). [11] After laying her eggs, the female curls around them. The incubation period is divided into three phases.
These eggs have a strong shell that protects them against a range of environmental conditions. The eggs can therefore survive in the environment for many months or years. Many of the worms referred to as helminths are intestinal parasites. An infection by a helminth is known as helminthiasis, helminth infection, or intestinal worm infection ...
They lay 25–30 eggs in a deep, tapering nest. Their eggs are small, dark and extremely thick-shelled. The hens have a habit of hiding their nests, and sharing it with other hens until large numbers of eggs have accumulated. The incubation period is 26–28 days, and the chicks are called "keets".
Feline viral rhinotracheitis (FVR) is an upper respiratory or pulmonary infection of cats caused by Felid alphaherpesvirus 1 (FeHV-1), of the family Herpesviridae. It is also commonly referred to as feline influenza, feline coryza, and feline pneumonia but, as these terms describe other very distinct collections of respiratory symptoms, they ...
The incubation period for Toxocara canis and cati eggs depends on temperature and humidity. [ 7 ] [ 16 ] T. canis females, specifically, are capable of producing up to 200,000 eggs a day that require 2–6 weeks minimum up to a couple months before full development into the infectious stage. [ 19 ]