ARTERITIS VIRAL EQUINA PDF

ARTERITIS VIRAL – Free download as Powerpoint Presentation . ppt), PDF File .pdf), Text File .txt) or view presentation slides online. Equine viral arteritis (EVA) is a contagious viral disease of equids caused by equine arteritis virus. (EAV), an RNA virus classified in the genus, Arterivirus, family. English Translation, Synonyms, Definitions and Usage Examples of Spanish Word ‘arteritis viral equina’.

Author: Kagabar Kijinn
Country: Brazil
Language: English (Spanish)
Genre: History
Published (Last): 18 November 2013
Pages: 152
PDF File Size: 16.59 Mb
ePub File Size: 5.93 Mb
ISBN: 340-7-67147-801-6
Downloads: 99703
Price: Free* [*Free Regsitration Required]
Uploader: Tojajinn

Virus clearance coincides with the development of specific neutralizing antibodies against EAV Timoney and McCollum, b. Phylogenetic analysis of open reading frame 5 of field isolates of equine arteritis virus and identification of conserved and nonconserved regions in the GL envelope glycoprotein.

Although through the years it has been recognized that EAV causes virql abortion in pregnant mares Doll et al. Additionally, carrier stallions can excrete virus in the semen and exhibit a normal semen quality Timoney et al.

arteeritis Retrieved from ” https: Development of a modified virus strain and vaccine for equine viral arteritis. In addition, vaccination has been successfully used as a tool to control the spread of the disease during an outbreak, controlling the spread of infection and the severity of the symptoms Timoney, Three year later, in Octoberthe requirement to diagnose EVA in native, imported horses or seminal material was established.

Additionally, due to shipping of semen or movement of mares, the outbreak spread to 18 states: More than a century ago, reports were published in the European veterinary literature concerning a horse disease whose virral features were consistent with those described for EVA.

Equine infectious diseases 2nd ed. Infectious diseases of the horse diagnosis, pathology, management and public health. The carrier state has been identified only virao the stallion, not in mares, geldings or sexually immature foals Timoney et al. Horse diseases Animal virology.

Two days after aerosol infection, EAV spreads rapidly to the bronchial and pulmonary lymph nodes, reaching the bloodstream and spreading throughout the body.

Untilthere were no reported cases of the disease in Argentina and the virus had never been isolated in samples from nasal swabs or abortions in horses suffering from respiratory or reproductive disorders.

  DSP1124P MANUAL PDF

Subsequently, a second stallion developed pyrexia, but maintained adequate fertility. Arteritiw can persist in the stallion for weeks, months or years, even for life in some individuals.

Of a total of equines sampled in nine farms, Background More than a century ago, reports were published in the European veterinary literature concerning a horse disease whose clinical features were consistent with those described for EVA.

The fear that a highly pathogenic strain had emerged, joined with the belief that most horse populations are susceptible to the virus, led to an increased evaluation of the importance of the disease worldwide, imposing severe restrictions on the movement of horses with positive titers of antibodies against the virus Timoney and McCollum, a.

Among arteeitis animal health requirements for permanent entrance of horses into Colombia, ICA requires that stallions be negative after two arterigis neutralization tests carried out during the 28 days prior to shipment and a 14 day interval between them; for seropositive stallions, eequina requirement is that they have mated two seronegative mares which remained negative after two neutralization tests, carried out first, the day of mating equlna second 28 days later.

Given these figures, an infection could clearly be devastating to our susceptible populations and the risk is too high to be ignored.

In contrast, adult males are very likely to become carriers of the virus viiral long periods of time and can transmit the virus to mares during mating Neu et al.

J Vet Med Sci ; The most widely used method for diagnosis is the evaluation of neutralizing antibodies, although the presence of such antibodies does not indicate active infection, but rather that the animal has been exposed to EAV.

Equine viral arteritis

In Octoberof three stallions imported to Argentina, one was seropositive, so that the farm was restricted and required sanitation. In Octoberof three stallions imported to Argentina, one was seropositive, so that the farm eqina restricted and required sanitation. Equine Viral Arteritis — epidemiology and control. J Vet Med Sci ; An outbreak of abortion caused by the equine arteritis virus. Among the animal health requirements for permanent entrance of horses into Colombia, ICA requires that stallions be negative after two viral neutralization tests carried out during the 28 days prior to shipment and a 14 day interval between them; for seropositive stallions, the requirement is that they have mated two seronegative mares which remained negative after two neutralization tests, carried out first, the day of mating and second 28 days later.

  BIGONOFF PART 2 PDF

arteritis viral equina – English Translation – Word Magic Spanish-English Dictionary

Proceedings of the one-hundred tenth annual meeting of the Vkral States animal health association. Because of the variability of symptoms, diagnosis is by laboratory testing. Multi-state occurrence of EVA. The virus causing EVA was first identified following an outbreak of respiratory disease and abortion on a horse farm in Ohio in In parallel with the approval of the import of horses from EVA-infected countries, Argentina initiated serological monitoring of imported horses and semen as part of the EVA Epidemiological Surveillance Program; this revealed one positive sample of semen imported in Apriland led to the destruction of the entire lot of semen, and to official intervention of the two farms involved in the import and use of the semen.

In America, the presence of EAV has been reported in different countries of South, Central and North America, mainly in Argentina, eqhina United States and Canada where the virus has caused substantial economic losses and is today one of the main pathogens of veterinary importance Figure 3. Intervirology 6; Equuina was performed on all the horses in order to detect possible cases of squina.

Equine Viral Arteritis: epidemiological and intervention perspectives

Outbreaks of infection have been reported in several American countries with which Colombia has active links of import and export of horses and semen. Genetic typing of equine arteritis virus isolates from Argentina. Three year later, in Octoberarteritiss requirement to diagnose EVA in native, imported horses or seminal material was established. As in most infectious diseases, certain host factors determine the severity of the disease, such as age, immune status, sex which determines the possibility of being a potential carrier, etc.

Lactate dehydrogenase-elevating virus, equine arteritis virus, and simian hemorrhagic fever virus: Services on Demand Article. Clinical and virological findings on experimental equine viral arteritis in horses.