Pathogen — neorickettsia (chlamydia), in their evolutionary development they are between bacteria and viruses.
The source of infection is often a sick bird — a virus carrier, releasing the microorganisms from nasal mucus, sneezing, coughing, with the dung. Infection occurs by airborne and alimentary, particles of dried droppings from sick birds, downs, slomannye the epithelium of the skin can get into the lungs, air sacks of birds and gastro-intestinal tract and there penetrating through the mucous membranes, causing the disease. A bird ill with psittacosis, usually for a long period of time remains a virus carrier.
Reservoir and source of infection for humans are domestic and wild birds. The largest epidemiological significance have Pets poultry (especially ducks and turkeys), room birds (parrots, wavy parrots, Canaries and other small songbirds) and especially urban pigeons and crows, the infestation of which ranges from 30-80%.
Ill persons who are constantly in contact with birds (poultry workers, meat processing plant, breeders of birds, etc.) the Ill person primarily middle-aged and older, children get sick much less often. Patients with psittacosis not a danger to others represent. In the human body, the pathogen enters mainly through the mucous membranes of the respiratory system. Infection occurs by inhalation of dust containing chlamydia (dried particles of bird faeces and discharge from the beak, contaminated particles down, etc.). Continue reading
The cat is now one of the most popular Pets. The so-called animal companion. Once thought that the domestic cat is a separate species. In fact, this predator, is a mammal of the cat family. Now familiar to all of us the cat is considered as a subspecies of forest cat. It was domesticated about 10 thousand years ago. According to some data, today, worldwide, there are about 600 million pet cats. They all belong to one of 256 species. This long-haired (Persian cat) and a fully bald (Sphynx). And all so different.
Cats grow all different. Relating to size. The smallest cat breed Singapore. An adult animal reaches 2 pounds of weight. By the way, they entered in the Guinness Book of records as the smallest. But for the title the barley house cat fighting two breeds. This is Asher and Maine Coon (Maine Coon cat). For a long time the Maine Coon held the palm. Mature males of this breed can weigh up to 10 pounds. And externally the animal looks like a lynx, he has the same ear tufts and tiger feet. There are similarities and Ocheretyany kit. However, unlike wild cousins, the Maine Coon is quite friendly. Continue reading
Unhealthy plants.As we know, indoor plants decorate the interior, clean and humidify the air and create comfort in the house and in a good mood. Seemingly solid pros.
But before you buy new, you need to know whether they are safe for the environment. Especially if the house has allergies, small children or Pets.
For example, in 2012 in the hospital of the city of Abakan was delivered to the girl with the strongest burns of the esophagus. It turns out that she tried a leaf from a plant that was in the group and here is the result. According to statistics, with such a diagnosis who are hospitalized dozens of children.
Here are some harmful plants, for convenience they are organized into sections:
The damage can bring all parts of these plants, starting from seeds. Contain toxic cardiac glycosides, nerioside, oleandroside and saponins. Very dangerous milky juice. And even a single leaf is enough to cause a fatal outcome in an adult.
Causes severe disorder of the digestive system. bloody diarrhoea, vomiting. As well as increased heart rate, hallucinations. Then may be followed by decreased blood pressure, slow heart rate, stop breathing… Continue reading