Neuroloogiline Viirus Hobustel

2024 Autor: Daisy Haig | [email protected]. Viimati modifitseeritud: 2023-12-17 03:07

Borna tõbi hobustel

Normaalne

vale

vale

vale

EN-USA

X-MITTE

X-MITTE

MicrosoftInternetExplorer4

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Borna on viirushaigus, mis esineb hobustel (ja teistel soojaverelistel loomadel). Esimest korda avastati hobuste juurest Saksamaal, see on valdavalt tänapäeval Euroopa ja Lähis-Ida riikides leitud haigus. Praegu pole teada, et see oleks Ameerika Ühendriikides.

Borna tõve viirus (BDV) põhjustab neuroloogilisi probleeme ja on paljudel hobustel surmav. Selle hobuse loomulikud peremehed on nii hobused kui ka lambad ja muud põllumajandusloomad, kuid see võib mõjutada ka teisi loomi, näiteks närilisi.

Sümptomid ja tüübid

Borna viiruse kliinilised tunnused on sarnased teiste hobuste entsefaliithaigustega. Inkubatsiooniaeg on suhteliselt pikk ja võib nakatumisest kuni kliiniliste tunnuste ilmnemiseni kesta kuus kuud. Selle põhjuseks on viiruse aeglane liikumine mööda neuroneid.

• Letargia
• Kehv koordinatsioon
• Pimedus
• Nõrkus
• Halvatus
• Ahenda
• Kummaline käitumine (nt pea vajutamine või pimedates nurkades)

Põhjused

Viiruse edasikandumise viis pole siiani teada, kuid arvatakse, et see toimub sissehingamise või allaneelamise kaudu. Samuti kahtlustatakse puukide levikut, samuti viiruse levikut rändlindude kaudu.

Diagnoos

Borna viirusnakkuse lõplik diagnoosimine elus hobusel on keeruline. Aju seljaaju vedeliku (CSF) proovid näitavad ainult paljudele erinevatele nakkuslikele neuroloogilistele seisunditele omaseid tulemusi ega suuda Borna viirust konkreetselt eristada. Pärast surma saab kesknärvisüsteemi proovid laboratooriumidesse saata Borna viiruse edasiseks uurimiseks ja tuvastamiseks, mis on tehtud selles punktis.

Ravi

Praegu ei ole BDV jaoks spetsiifilist ravi. Kuid viiruse isoleerimiseks on läbi viidud uuringuid ja parimate ravivõimaluste poole liikutakse. Kui hobusel USA-s peaks diagnoosima selle haiguse, tuleks sellest teatada reguleerivatele asutustele.

Elamine ja juhtimine

Enamikul juhtudel on BDV hobustel surmav, kuid neil, kes ellu jäävad, on selle kurnava seisundi püsivad kõrvaltoimed, näiteks ajutegevuse vähenemine või muud neuroloogilised kahjustused, mis võivad ambulatsiooni raskendada. Eutanaasia valitakse sageli.