Eimeria is a genus of apicomplexan parasites that includes various species capable of causing .. mice (M. musculus) Eimeria weybridgensis – sheep (O. aries) Eimeria wobati – southern hairy-nosed wombat (L. latifrons) Eimeria zuernii – cattle (B. taurus). Eimeria zuernii is a species of the parasite Eimeria that causes diarrheic disease known as eimeriosis in cattle (Bos taurus), and mainly affects younger animals. Coccidiosis is usually an acute invasion and destruction of intestinal mucosa by protozoa of the genera Eimeria or Isospora. Clinical signs include diarrhea.
|Published (Last):||3 September 2004|
|PDF File Size:||17.5 Mb|
|ePub File Size:||9.32 Mb|
|Price:||Free* [*Free Regsitration Required]|
The time from ingestion zuerii the parasite to the first signs of disease prepatent period is days. Out of these, comparing oocyst structures was the most commonly used method.
New hosts are infected when they ingest sporulated oocysts contaminating food or water supplies faecal-oral transmission. Retrieved from ” https: Can J Comp Med.
Production of bovine coccidiosis with Eimeria zuernii.
Copyright and License information Disclaimer. The main drug groups include sulfonamides sulfanilamide, trimethoprim, ethopabatepyridinoles clopidol, decoquinatenitrobenzamides zoaleneorganic arsenicals roxarsonenitrofurans furazolidone, amproliumquinazolinones halofuginonepolyether ionophorous antibiotics monensin, laslocid, salinomycin, narasinasymmetric diclazuril and symmetric toltrazuril triazines. Abstract The pathogenesis of the lesions caused by Eimeria zuernii in calves is described.
Veterinary Protozoology First ed. Eimeria lamae Eimeria langebarteli Eimeria larimerensis Eimeria lateralis Eimeria laureleus Eimeria lepidosirenis Eimeria leucisci Eimeria ludoviciani Eimeria macusaniensis Eimeria magnalabia Eimeria marconii Eimeria maxima Eimeria melanuri Eimeria meleagridis Eimeria menzbieri Eimeria micropteri Eimeria minasensis Eimeria mitis Eimeria monacis Eimeria morainensis Eimeria moronei Eimerria mulardi Eimeria muta Eimeria myoxi Eimeria myoxocephali Eimeria natricis Eimeria necatrix Eimeria neitzi Eimeria nieschulzi Eimeria nigricani Eimeria nocens Eimeria nyroca Eimeria ojastii Eimeria ojibwana Eimeria onychomysis Eimeria oryzomysi Eimeria oryxae Eimeria os Eimeria osmeri Eimeria ovata Eimeria ovinoidalis Eimeria palustris Eimeria papillata Eimeria parvula Eimeria pigra Eimeria pilarensis Eimeria pileata Eimeria pipistrellus Eimeria phocae.
This genus contains a single species, Crystallospora cristalloides. From Wikipedia, the free encyclopedia. Zuegnii transmission occurs via the oral-fecal route.
Three species are in this genus. Unstained oocysts are best observed by light microscopy using suboptimal transmitted illumination condenser wound down to introduce diffractionphase-contrast or interference-contrast optics. Articles with ‘species’ microformats. Most coccidial infections stimulate the development of strong protective immune responses, albeit transient unless premunitive short-lived unless parasites persist.
There are two forms of oocyst: Production of bovine coccidiosis with Eimeria zuernii. These contain a multi-layered eimmeria wall making them highly resistant to environmental pressures.
Comp Immunol Microbiol Infect Dis. Others infect poultry E. Retrieved 24 April Certain species, however, are highly pathogenic and cause catarrhalic or haemorrhagic enteritis by severe erosion of the mucosal membranes through cell lysis resulting in profuse watery-to-bloody diarrhoea.
Eimeria acervulina – chicken Gallus gallus domesticus Eimeria adenoeides eimsria turkey Meleagris gallopavo Eimeria brunetti – chicken G.
Following the initial infection with an Eimeria species zkernii animal usually is protected by immunity to that species, and is less likely to develop disease. The following drugs can be used for treatment of coccidiosis in cattle: The most prevalent species of Eimeria that cause coccidiosis in cattle are E.
Attempts to subdivide this large taxonomic unit into eimria genera have been made. Eimeria amphisbaeniarum – Mann’s worm lizard Amphisbaena manni Eimeria witcheri – Mann’s worm lizard A. Associated Data Supplementary Materials. A combination of auernii factors may result in poor growth and death of the animal, particularly amongst young. The parasite can be found in cattle around the globe.
Protista unicellular eukaryotes Apicomplexa cells with cluster of organelles known as apical complex Coccidea gamonts small and intracellular, form small resistant spores called oocysts Eimeriida gametes develop independently without syzygy; known as coccidian parasites Family: Clinical disease is not usually manifest until cumulative tissue damage associated with second or third generation schizogony. Resolution of these lesions takes place in approximately ten days in calves which survivie.
Development of Eimeria auburnensis in wimeria cultures. In the case of E. Good animal husbandry practices and prophylactic application of anticoccidial drugs that target different stages of the parasite lifecycle, such as sulfonamidesionophores and toltrazurilare the preferred methods of disease prevention, particularly zuernli the poultry industry.
Explicit use of et al.
However, it is often more effective to prevent this disease in cattle, which can be aided by the products lasalociddecoquinateand monensin. Babesiidae Babesia Theileriidae Theileria.
Gemmocystidae Gemmocystis Rhytidocystidae Rhytidocystis. There are three sequential stages in zernii parasite life-cycle: This genus contains about 20 species. Excystation stimuli include appropriate post-gastric physico-chemical conditions, such as oxygen levels, pH, bile salts, pancreatic enzymes, etc.
Eimeria zuernii – Wikipedia
Coccidiosis typically results in diarrhoeaweight loss and dehydration. Moderately-affected animals may show progressive signs such as poor weight gain or weight loss, weakness and emaciation, while severely-affected individuals may die soon after the appearance of disease. The disease is also commonly referred to as coccidiosis.
In general, pathogenic Eimeria species, including E. Eimeria zuernii is a very host specific parasite that zuernoi infects cattle. This page was last edited on 10 Septemberat Parasites form environmentally-resistant oocysts which undergo faecal-oral transmission between hosts. Unsporulated oocysts contain a developing sporoblast which eventually undergoes sporulation forming sporocysts which contain the infective sporozoites.