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Virus Neurològic Als Cavalls
Virus Neurològic Als Cavalls

Vídeo: Virus Neurològic Als Cavalls

Vídeo: Virus Neurològic Als Cavalls
Vídeo: Aigua als cavalls 2024, Maig
Anonim

Malaltia de Borna als cavalls

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EN-US

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El borna és una malaltia viral que es produeix en els cavalls (i altres animals de sang calenta). Descobert per primera vegada en cavalls a Alemanya, és principalment una malaltia que es troba actualment als països europeus i de l’Orient Mitjà. No se sap que es troba actualment als Estats Units.

El virus de la malaltia de Borna (BDV) causa problemes neurològics i és mortal en molts cavalls. Els cavalls i les ovelles i altres animals de granja són hostes naturals d’aquest virus, però es poden veure afectats altres animals com els rosegadors.

Símptomes i tipus

Els signes clínics del virus Borna són similars a altres malalties encefalítiques equines. El temps d'incubació és relativament llarg i pot trigar més de sis mesos des del moment de la infecció fins que apareixen signes clínics. Això es deu al lent moviment del virus al llarg de les neurones.

  • Letargia
  • Mala coordinació
  • Ceguesa
  • Debilitat
  • Paràlisi
  • Replega
  • Comportament estrany (per exemple, pressionar el cap o trobar-lo en racons foscos)

Causes

Encara es desconeix el mode de transmissió viral, però es creu que és per inhalació o ingestió. També es sospita la transmissió de paparres, així com la propagació del virus a través d’ocells migratoris.

Diagnòstic

El diagnòstic definitiu de la infecció pel virus Borna en un cavall viu és difícil. Les mostres de líquid espinal cerebral (LCR) només mostren resultats típics de moltes afeccions neurològiques infeccioses diferents i no poden distingir específicament el virus de Borna. Després de la mort, es poden enviar mostres del sistema nerviós central als laboratoris per examinar-les i identificar-les amb el virus Borna fet en aquest punt.

Tractament

No hi ha cap tractament específic per al BDV en aquest moment. Tot i això, s’han dut a terme estudis per aïllar el virus i s’està avançant cap a millors opcions de tractament. Si es diagnostiqués aquesta malaltia a un cavall als EUA, s’hauria de notificar a les autoritats reguladores.

Viure i gestionar

En la majoria dels casos, el BDV és mortal en els cavalls, però els que sobreviuen tenen efectes secundaris permanents d’aquesta afecció debilitant, com ara una funció cerebral reduïda o altres alteracions neurològiques que poden dificultar la deambulació. Sovint s’elegeix l’eutanàsia.

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