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Chlamydia is a contagious disease caused by chlamydia, obligate intracellular parasites, which have a rigid cell wall, but in structure occupy a certain intermediate position between bacteria and viruses. In general, according to MV Makeeva (2001), the carriage of chlamydia is detected in approximately 70% of cats. According to the new classification of chlamydia (Yamnikova S.S., Fedyakin I.T., Nepoklonova I.V., 2000), the family Chlamydiaceae is represented by 2 genera: Chlamydia and Chlamydora. C. trachomatis and 3 more new species belong to the genus Chlamydia, while the genus Chlamydora includes the C. pneumoniae, C. Pecorum and C. psittaci. The latter species includes various biovars C.abortus, C.caviae and C.felis.

Infection, most often caused by C.felis (these chlamydia are generally species-specific for domestic and wild cats), usually occurs in the form of keratoconjunctivitis or, more rarely, in the form of a systemic disease, for example, pneumonia. The cause of the infection process is considered to be the suppression of the immune response by the T-cell type (I.L. Obukhov, 1994). First of all, chlamydia affects the mucous membrane of the eyes, respiratory organs, gastrointestinal tract, and reproductive organs (miscarriages can be induced). In addition, cats infected with chlamydia through sexual intercourse during the first pregnancy may remain infertile. The disease is transmitted by airborne, contact and sexual ways. Generalized infection can lead to cat death. When infected, newborn kittens are often fatal.

Carriers of infection are most often small rodents (vole mice, rats), birds, and also stray cats. The incubation period is 5-15 days.

It should be remembered that chlamydia are zooanthroponotic diseases. This means that chlamydia can be transmitted from sick animals to people in whom the disease occurs in the form of catarrh of the upper respiratory tract and typical pneumonia, causing eye, respiratory or intestinal diseases. There are, for example, cases of cat owners having benign lymphoreticulosis (cat scratch disease). However, the final etiological role of chlamydia in this disease has not been proven, since the recently described types of rickettsia and gram-negative bacteria are also isolated from the diseased. You can also get sick with atypical pneumonia, conjunctivitis and endocarditis. In some cases, chlamydia infection can lead to infertility in women.

Symptoms In an ill cat, body temperature rises, discharge from the eyes and nose is observed, the animal coughs and sneezes.
Breathing becomes heavy, wheezing is heard. If untreated, a young cat may die in a day from pulmonary edema. In adult cats, the disease can also occur in the form of keratoconjunctivitis (in this case, as a rule, one eye is first affected, and the second eye is affected after a few days), but the infection is chronic and often ends in death.

The mucopurulent secret is secreted from the nose, the cat sneezes and coughs, breathing becomes hard, hoarse. But more often the disease is transferred relatively easily: there is only keratoconjunctivitis and catarrh of the upper respiratory tract.

At the slightest symptoms of the disease should consult a veterinarian. Diagnostics can be carried out in a veterinary clinic by means of a culture method, immunofluorescence methods, serological analyzes, or by electron microscopy. The most reliable diagnostic method is polymerase chain reaction.

Treatment. Effective therapy with the use of tetracycline antibiotics, which inhibit the enzymes involved in the synthesis of chlamydia DNA and protein (IL Obukhov, 2001), is also effective for tylosin and erythromycin. However, it should be remembered that the independent use of antibiotics often leads to the development of resistance to chlamydia, so treatment should be carried out by a specialist. Good results were obtained when used in conjunction with antibiotics, maxidine, immunofan, fosprenil, gamavit (Aminovit-GM), lactobifida, as well as interferon preparations in various combinations. According to MM Rakhmanina et al. (1999) Vitafel preparations (purified immunoglobulins or serums) are effective for the treatment and prevention. To stimulate natural resistance, it is useful to use lactoferon, tsamax with spirulina or with seaweed. To restore normal microflora - lactobiphid. In case of conjunctivitis caused by chlamydia, it is recommended to dig into the eyes maksidin (eye drops), "Iris", neoconjunctivitis or conjunctivitis.

Prevention. Effective ChlamyCon vaccine against chlamydia in cats and dogs, developed by VGNKI.

Phytotherapy. Immunostimulating collection: Aralia Manchu (roots) 15 g, Levzeya safflower 15 g, hawthorn (fruits) 15 g, rosehip cinnamon (fruits) 15, calendula medicinal (flowers) 10, a succession of tripartite (grass) 10 g, black chokeberry (fruits) 10 g, plantain large (leaves) 10 g.
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