Ostertagia

von Ostertag,

Robert, German veterinarian, 1864-1940.
Ostertagia - genus of stomach worms that are found primarily in cattle.
ostertagiasis - infection caused by Ostertagia. Synonym(s): ostertagiosis

Ostertagia

a genus of worms in the family Trichostrongylidae. They are found in the abomasum, rarely the intestine, of ruminants, are thin and brown and called brown stomach worms. They cause ostertagiasis. Includes O. bisonis (cattle, wild ruminants), O. circumcincta (goats, sheep), O. crimensis syn. O. leptospicularis, O. hamata (springbok), O. leptospicularis (cervid deer, cattle), O. lyrata, syn. Skrjabinagia lyrata, Grosspiculagia lyrata (cattle), O. orloffi (Barbary sheep, cattle, deer), O. ostertagi (cattle, goats, rarely sheep, horses), O. podjapolskyi, syn. Grosspiculagia podjapolskyi (cattle, sheep, moufflon), O. trifurcata (sheep, goats, also cattle).
References in periodicals archive ?
Inhibition of bovine T lymphocyte responses by extracts of the stomach worm Ostertagia ostertagi.
In one study on natural infestation of cattle's, Doramectin causes deleting this infestation to Ostertagia and Cooperia respectively in days of 19 and 22.
Fetterer's hope is that what is learned about the barberpole worm's key weaknesses will also apply to some other nematode parasites, like the brown stomach worm, Ostertagia ostertagi.
VIRBAMEC Pour-On and BOVIMEC Pour-On treat and control gastrointestinal roundworms, including inhibited Ostertagia ostertagi, or brown stomach worm, which infects an estimated 85% of U.
An ovine major histocompatibility complex DRB1 allele is associated with low faecal egg counts following natural, predominantly Ostertagia circumcincta infection.
Even with the extra treatment, it will be three fewer than Lohr gave his cows in 1996 to battle the brown stomach worm - Ostertagia ostertagi.
1% effect on Ostertagia, Cooperia and Dictyocaulus respectively and minimum rate was with Fenbendazole (63.
Milk antibodies against Ostertagia ostertagi: relationship with milk IgG and production parameters in lactating dairy cattle.
Gastrointestinal parasites such as Ostertagia ostertagi typically get into a grazing animal's body by being gobbled up along with forage.
5mg/Kg; these doses of Ivermectin have potent anthelmintic effect between 97-100% on adult form and forth stage larvae of Haemonchus, Ostertagia, Cooperia, Trichostrongylus, Strongyloides, Bonostomum, Nematodirus, Trichuris, Oesophagostomum, Dictyocaulus and Chabertia ovina and some arthropods [8,10,15,18,19], therefore we administrated ivermectin pour on with 0.
Effect of dietary protein supplementation on the development of immunity to Ostertagia circumcincta in growing lambs.

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