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Rabies is a deadly viral disease of animals and humans
According to the world health organization, annually in the world dies from rabies 55 thousand people . that is, one person in every 10 minutes. Economic damage this disease ranks fifth and is the tenth leading cause of death amongst infectious diseases. From 30 to 60 percent of victims are children under the age of 15 years.
Rabies is a deadly viral disease, the pathogen which attacks the Central nervous system and leads usually to death. Infection of humans comes from domestic and wild animals, mostly carnivores, as a result of close contact with infected saliva or bites and causing scratches.
The incubation period of rabies lasts from 10 days to 1 year (usually 1-3 months).
Clinical signs of the disease appear most often after 3 to 8 weeks after infection. A reliable diagnosis of rabies is established only in the laboratory.
In dogs and cats clinically distinguish two main forms of the disease: the lush and quiet. Often rabies can occur in atypical forms.
Clinical signs of rabies in humans. In the beginning of the disease in humans marked depression, high temperature and fever, itching at the bite site.Later manifested a respiratory embarrassment, fearfulness. Stage of excitation is characterized by a fear of water. At the end of the disease is para Continue reading
Top 10 most expensive exotic Pets
Without a doubt, we all adore our household Pets, especially lucky in this respect cats and dogs. In the United States alone is home to over 86 million pet cats and 74 million dogs, while in Canada, about 35% of the local population is a happy dog owners and 38% of cat owners. But don’t forget about other household inhabitants: today, the third place firmly in aquarium fish, with more than 170 million individuals imprisoned in aquariums, followed closely by horse – over 15 million of these wonderful animals officially registered in the United States. But there are also people who yearn to stand out from the crowd. They have houses you can find the most exotic and expensive animals, which many have not even heard.
10. Bengal male $ 3,000 a Bengal cat was born as a result of a long process of crossing domestic Shorthair black cats and Asian leopard. The purpose of this cross-breeding was to obtain a cat of medium size with the normal behavior of the domestic cat, but still retained the color of a leopard. It took to cross up to five generations to get a Bengal cat that meets all these requirements.
9. Snow macaque – 3 $ 500 Snow macaque is a smaller Primate with a life span of up to 30 years. They became widely investibility their bald red face. The view at the moment is under threat of extinction. At home the behavior of these macaques Continue reading
Animals that you never would have thought they were relatives.
We’ve learned that the relationship determines the resemblance: is it fair to expect a couple blue-eyed blondes have the same blonde kid with eyes of heavenly color. However, the nature of the known and far more intricate family ties. Quite often, ties of blood unite the species, do not resemble each other neither in outward appearance nor the way of life. Introducing animals that you would never have thought that they were siblings.
Already for anybody not a secret that whales and dolphins, although looks very similar to fish, are mammals. They breathe air, feed their young milk, and their tails are fused hind limbs. It is not surprising that scientists have searched for the ancestors of cetaceans among land animals. For a long time it was believed that their ancestors were mezonigie is curious of the extinct mammals that unites the signs of carnivores (eat meat) and ungulates (instead of feet had hooves). However, recently it was revealed that the closest relatives of whales and dolphins are hippos the representatives of the group of ungulates that includes pigs, camels, giraffes and deer. As shown by genetic analysis that whales and hippos there is a common ancestor that lived 50-60 million years ago. The degree rodstvenikam great that it was even proposed to create a common squad cytopathicity.
As you know, “born to crawl — can not fly”. But for nature there are no rules. Albatrosses and petrels — the true kings of the sky. Continue reading
