Today we are talking about another fatal disease for rabbits. When it comes to Rabbit vaccination diseasesalways refers to the Mixed and to the Viral hemorrhagic disease. And it is precisely of the latter that we will discuss today, taking a look at the causes, symptoms and therapy. This is because it is a high mortality disease, which is why it is good to protect our rabbits by vaccinating them on scheduled times.
Hirness hemorrhagic disease: causes and how it is transmitted
The viral hemorrhagic disease of the rabbit, also known with the acronym for Mevis a pathology very contagious, acute and fatal. The cause is a virus belonging to the Caliciviridae family, a single chain RNA virus without Envelope.
As a virus it is very resistant in the environment.
The transmission takes place both orally and aerogenic street. Consider that the virus is eliminated both through secretes with excrents. Which means that rabbits are infected with each other for Direct contact between sick animals and healthy animals. In addition, an indirect contagion is also possible, through contaminated food or water, but also through passive carriers such as insects, other rodents, birds and also man.
Usually rabbits below 4 weeks of life are not affected (if exposed to the virus at this age they can develop a permanent immunity). The rabbits begin to be infected with 5-6 weeks, with a peak up to 8-9 week.
Does the hemorrhagic disease of rabbit affect man?
No, the Himor -haemorragic disease is not a zoonosis. Which means that it is contagious only for rabbits, not for humans or other animals.
Symptoms of this fatal disease for rabbits
Consider that the virus enters the rabbits orally, nasal or even conjunctivale. After viremia, hepatic cells are invaded. Actually the cases of acute death And hyper acute are due to a form of acute hepatosplemnitis.
Rabbits that exceed this phase show a form of Cid With thrombosis and still death for kidney, cardiac, lung and brain damage. There are also sub -sauce forms with the development of hepatic insufficiencyjaundice, ascites and death over two weeks. The few rabbits that survive remain immune to life. (Read also: rabbits: everything you need to know before adopting one)
The period of incubation It is quick, by 16-72 hours with death at most after 36 hours from the appearance of the fever. THE symptoms to pay attention to are:
Sometimes the only symptom you have is anasal hemorrhage or from the genitals with sudden death.
Therapy of the hemorrhagic disease of rabbit
Unfortunately the diagnosis of mev It is post mortem, it is usually done via Elisa test on liver and spleen champions. AND There is no therapy specifies, being a viral disease. It can be adopted Support and symptomatic therapybut consider that the mortality rate for some strains is also 90%.
It is better to prevent vaccinating the rabbits. For farm rabbits there is an comprehensive vaccine of both mixed and bleeding disease to become annually.
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