Especially dangerous infectious animal diseases – diseases for which characterized by the presence of a specific pathogen, the development cycle, the ability to transmit from infected animal to healthy and take nature of the epidemic.
The wide spread of epizootic process occurs in three forms: sporadic incidence, epidemic, pantote.
Sporidia is the low intensity of the epizootic process is a single or infrequent instances of infectious disease, usually unrelated single source of pathogen infections.
Epizootic – widespread contagious diseases of animals on the farm, district, region, country, characterized by common source of the pathogen, the lesion simultaneity, periodicity, and seasonality. Represents the average degree of intensity (tension) of the epizootic process.
Pansooti the higher the degree of development of the epidemic, it is characterized by an unusually broad spread of infectious disease, covering one state, several countries, the mainland. In recent years examples of such are pansooti bird flu, an intestinal infection of unknown etiology. So, when mass krupnoporistogo disease of cattle spongiform encephalitis in England had to take emergency measures to prevent the infection spread on the European continent: hundreds of thousands of animals were destroyed, the country suffered huge losses, running into billions of dollars. Continue reading
Guinea pigs native to the Peruvian Andes. They were first domesticated by the Incas more 3 thousand years ago,raise them for food and even now in Peru have bred them for meat.These rodents and not pigs and have nothing to do with the sea.Pigs have called them, obviously,because they are usually quiet grunt, frightened, squealing like piglets .In the XVI century, the Spanish brought them to Europe by sea. Therefore, they were called overseas,and later sea. In nature, little remains of these animals,now in meadows and edges of woods from Colombia and Ecuador to Argentina, and also in the Andes at altitudes up to 4000 m there are wild Guinea pigs . They live in burrows and cracks in the ground, especially active at dusk,feeding on grasses and low-growing plants.Wild Guinea pigs form small groups up to 10 individuals, consisting of one male-the alpha male and his “harem” of several females. Young males father casts out at the latest four months old. In North America and in Europe, these tender,fluffy animals became favorites of the children and has gained General acceptance.Now you can find as regular light brown Guinea pigs and their form of diverse colors.Varieties with decorative fur like an Abyssinian and Peruvian Guinea pigs good for exhibitions, but require regular care. Guinea pig (Cavia porcellus) Length 8 cm, sturdy body,short legs,similar to the petals of the ears.The life of 4-5 years. Continue reading
A new study shows that children with autism, in which house live Pets (dog, cat, rabbit or other pet), have better social skills than the children in the house which didn’t have any Pets.
Previous research has shown that dogs stimulate social interaction in children with autism. However, the previously never studied the impact of other types of Pets on children with autism.
Dr. Gretchen Carlisle, the author of this study asserts that the presence in the house Pets helps autistic kids communicate with each other and with other people.
Pets serve as “social lubricants”, she explains. The study found increased sociability in autistic children, who live in the house Pets in comparison with these children who had no Pets.
“Children with autism are not always easy to interact with other people,” said Dr. Carlisle. “However, the presence in the house a pet often is itself easy conversation: if a visitor asks about the animal, the child is more likely to come into this conversation”. Continue reading