Haemonchus

(redirected from Haemonchus placei)

Haemonchus

(hē-mong'kŭs),
An economically important genus of nematode parasites (family Trichostrongylidae) occurring in the abomasum of ruminants and causing severe anemia, especially in younger or previously unexposed animals. Some significant species are Haemonchus placei (in cattle, sheep, and goats), Haemonchus similis (in cattle and sheep), and Haemonchus contortus, the stomach, barberpole, or twisted wire worm of cattle, sheep, goats, and other ruminants, of which a few cases have been reported from humans; accidental parasite of humans.
[G. haima, blood, + onchos, spear]

Hae·mon·chus

(hē-mong'kŭs)
An economically important genus of nematodes (family Nematostrongylidae); parasitizes the abomasum of cattle, sheep, goats, and other ruminants, causing anemia; human infection occasionally occurs.
[G. haima, blood, + onchos, spear]

Haemonchus

a genus of blood-sucking nematodes of the family Trichostrongylidae.

Haemonchus bedfordi
found in African buffalo and some gazelles.
Haemonchus contortus
found in the abomasum of most ruminants and the cause of serious losses in sheep from haemonchosis. There have been attempts to subdivide the species, e.g. H. contortus cayugensis, but the differences between the subspecies have not been substantiated.
Haemonchus dinniki
found in gazelles.
Haemonchus krugeri
found in impala.
Haemonchus lawrenci
found in duiker.
Haemonchus longistipes
found in camel, dromedary.
Haemonchus mitchelli
found in gazelle, eland, oryx.
Haemonchus placei
the parasite of cattle which can cause hemonchosis in that species.
Haemonchus similis
found in cattle and deer.
Haemonchus vegliai
found in oryx, antelope.
References in periodicals archive ?
Com base nos resultados encontrados no presente estudo, pode-se concluir que as quatro populacoes de Haemonchus placei e Cooperia punctata avaliadas sao resistentes a ivermectina, administrada via pour-on, na dose de 500mcg[kg.
Resistencia a ivermectina em Haemonchus placei e Cooperiapunctataem bovinos.
Effects of time, day, season and stratum on Haemonchus contortus and Haemonchus placei third stage larvae on irrigated pasture.
S p e c i e s r e c o r d e d w e r e Fasciola hepatica, Fasciola gigentica, Toxocara vitulorum, Paramphistomum cervi, Monezia expansa, Monezia bendeni, Oesophagostomum radiatum, Haemonchus placei and Bunostomum phlebotomumn in cattle, an overall prevalence of helminths was 51% (255/500).
4] larval and adult stages of Dictyocaulus viviparus, Haemonchus placei and Trichostrongylus axei in cattle in Wisconsin.
2013) revealed that prevalence of Haemonchus placei was 0% in male cattle and 1.
Haemonchus contortus was the most prevalent species of helminth followed by Paramphistomum cervi, Oestertagia circumcincta, Fasciola hepatica, Chabertia ovina , Moniezia expansa, Oesophagostomum radiatum, Bunostomum phlebotomum, Haemonchus placei, , M.
3% of the mean parasitic load, respectively, and that Haemonchus placei and Cooperia punctata were the most frequently observed species.
Por outro lado, BARGER (1999) afirma que o metodo perde eficacia na presenca de Haemonchus placei - que parasita bovinos, ovinos e caprinos--e Trichostrongylus axei, de baixa especificidade parasitaria.
Haemonchosis caused by Haemonchus contortus and Haemonchus placei is the most important disease of small ruminants in Pakistan Maqsoodet al.