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Malignant catarrhal fever

Malignant catarrhal fever (coruza gangrenosa) is an acute infectious disease of cattle and buffaloes, characterized by lobar inflammation of the mucous membranes of the head, damage to the eyes and nervous system.

Etiology. The causative agent of malignant catarrhal fever belongs to the family Gerpesviridae.

Epizootological data. The peculiarity of the infection is that with direct contact the disease is not transmitted. The main carrier of the pathogen are animals of other species (sheep), and cattle - an epizootic dead end. Re-infection occurs by aerogenous route, with food, drinking water and happens only in the presence of an extracellular pathogen in the external environment or biological secrets. In cattle, the virus is located inside the epithelial cells and therefore no infection occurs between animals of this species.

The course and symptoms. Clinical signs: chills, increase in general (up to 40-42 ° С) and local (at the base of the horns) temperature, increased thirst, appetite decreases, milk secretion stops, hair is tousled, skin is dry, lymph nodes are enlarged, trembling of certain muscle groups is noted, shakiness of gait, anxiety attacks; on the 2-3rd day - photophobia, lacrimation, swelling of the eyelids, purulent outflow from the eyes. With a complicated course of the disease - ulcers on the cornea.
The inflammatory process gradually captures the nasal, frontal and maxillary cavities; coughing, shortness of breath appears, swallowing is difficult. Sick animals die on the 4-10th day in acute (90-100% of animals) and on the 14-20th day in the subacute course of the disease (50-90% of animals).

Diagnosis. The diagnosis is made on the basis of epizootological data, symptoms of the disease, pathological changes and laboratory results. The virus is isolated on a cattle thyroid cell culture. Antibodies are determined in the blood using RSK, ELISA. The identification of the culture virus and the pathogen in the biological material (cell lysate, diseased tissues, peripheral blood leukocytes) is carried out using PCR.

Differential diagnosis. Exclude plague, foot and mouth disease, rabies, viral diarrhea, spongiform encephalopathy in cattle.

Treatment. No specific treatment has been developed. Sick animals are isolated and treated with antibiotics, sulfa drugs, and symptomatic treatment methods are used.

Prevention and control measures. There are no means of specific prevention. To eliminate the disease, general anti-epizootic measures are used - restriction of livestock movement, disinfection, quarantine of sick animals.
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Malignant catarrhal fever

  1. Malignant Catarrhal Hot
    Malignant catarrhal fever (Latin - Coryza gangraenosa; English - Malignantcatarrhal fever of ruminats; ZKG) is a sporadic non-contagious, mainly acute disease of cattle, buffalo, deer, as well as wild artiodactyl animals, characterized by constant-type febrile mucous inflammation. membranes of the respiratory tract and gastrointestinal
  2. Malignant Catarrhal Hot
    Infectious non-contagious disease of cattle and buffaloes, characterized by constant type of fever, croupous inflammation of the mucous membranes of the respiratory tract and gastrointestinal tract, damage to the eyes and central nervous system. In addition to cattle (especially at a young age), buffalo, goats, and antelopes are susceptible to malignant catarrhal fever.
  3. The malignant phase of hypertension (malignant nephrosclerosis)
    Malignant nephrosclerosis is a kidney disease associated with a malignant or accelerated phase of hypertension. Hypertension of this type usually develops in previously normotensive patients, as well as often in patients who have previously experienced essential benign hypertension, secondary forms of hypertension, or chronic renal disease, especially glomerulonephritis and reflux
  4. Delirium tremens (Delirium tremens).
    At first glance, it seems strange that a disease that has previously killed many of its victims may be a subject of fun among those people who should be most afraid of it. But this does not look strange if we understand that for people with self-destructive tendencies, death plays the role of a popular joke. Delirium tremens, or BG, is a psychosis that can occur after a long alcohol
  5. Exudative-catarrhal diathesis
    Exudative-catarrhal diathesis is the ability of hereditarily determined congenital and acquired properties of the body to respond with an increased reaction of the skin and mucous membranes to individual external stimuli. Exudative-catarrhal diathesis is caused by genetic factors (genetic burden - in 70-80% of children), age-related features of the enzyme system of the digestive tract and
  6. Інфекційна катарана Гарычка's a sheep
    Infectious catarrhal hot sheep (Febris catarrhalis infectiosa ovium, blutang, blue tongue) is a viral transmissible spruce, which is characterized by wild grasses, fired necrotic infections of mucous membranes of grass, as well as In zvyazku with the characteristic izmerennyas of the tongue of twig distal I will call “blue tongue” or “black mouth”.
    In case of catarrhal laryngitis on the first plan, I will try to distribute mediocre blood circulation and serpentine epithelium, which can be meticulously meticulously meticulously dilated. The circle is localized in the field of information. The main symptom characteristic of all forms of chronic laryngitis is hoarseness. Virage ії Різна - від
  8. Acute catarrhal laryngitis
    Acute inflammation of the mucous membrane of the larynx (laryngitis castarhalis acuta) is often observed as an independent disease. It is often a continuation of catarrh of the nasal mucosa, pharynx with a cold or acute catarrh of the upper respiratory tract, acute respiratory viral infection, flu; it can also occur after voice overload, inhalation of irritating
    Clinic: general symptoms indicate the onset of an inflammatory infectious process in the form of CNS intoxication, cardiovascular system, etc. X-ray signs are less pronounced than with croupous pneumonia. Blood test: small leukocytosis up to 10 thousand with a small stick - a nuclear shift, there is no toxic granularity of leukocytes. Urine ECG - unchanged. Local symptoms speak of
  10. Chronic catarrhal endometritis (endometritis catarrhalis chronica)
    Chronic catarrhal endometritis is called chronic inflammation of the uterine mucosa, characterized by the constant discharge of catarrhal exudate from the uterus. Etiology. Chronic catarrhal endometritis usually develops from acute endometritis, if the causes that caused it were not addressed in a timely manner. In cows, chronic endometritis is most often the result of acute
  11. Exudative-catarrhal diathesis
    Exudative-catarrhal diathesis (ECD) is a constitutional feature of the child, in which there is a tendency to recurrent infiltrative-desquamous lesions of the skin and mucous membranes, the development of allergic reactions, the prolonged course of inflammatory processes, lymphoid hyperplasia, and the lability of water-salt metabolism. Epidemiology According to domestic authors,
  12. Exudative-catarrhal diathesis
    Exudative-catarrhal diathesis is a peculiar state of reactivity of young children, characterized by a tendency to recurrent infiltrative-desquamous lesions of the skin and mucous membranes, the development of pseudo-allergic reactions and a prolonged course of inflammatory processes, lymphoid hyperplasia, and lability of water-salt metabolism. Etiology and pathogenesis are not completely
  13. Chronic catarrhal-purulent endometritis (endometritis catarrhalis et purulenta chronica)
    Chronic catarrhal-purulent endometritis is a long-term inflammation of the uterine mucosa, accompanied by the release of mucopurulent exudate. Etiology. Chronic catarrhal-purulent endometritis usually develops from acute endometritis or arises from chronic catarrhal endometritis with the introduction of pyogenic microbes. In chronic
  14. Zlojakіsna kataralna garyachka great horny skinny
    Zlooyakisna is a catarrhal garyachka of a great horned thinness (Coryza gangrenosa bovum, ZKG) - a guest of a noncontagious twig of great horny thinness and buffalo, which is characterized by a hot spell, which is littered with mucous membranes that are very weak. Istorichna dovidka. Farther to the twig named “typhus of a great horned thinness”, having established at 1832 p. Anchor. In Russia
  15. Chronic catarrhal laryngitis
    The disease in most cases is a consequence of the often repeated acute inflammation of the mucous membrane of the larynx after hypothermia. In persons whose profession is associated with the load on the vocal apparatus (singers, reciters, lecturers, etc.), their long overstrain can play the main etiological role. Occupational factors such as dustiness,
  16. Exudative-catarrhal diathesis
    -sm skin lesions: gneiss, seborrhea, milk crust, diaper rash, eczema dry and weeping, neurodermatitis, pruritus -sm lesions of the mucous membranes: "geographical language", conjunctivitis, blepharitis, rhinitis, pharyngitis, laryngitis, bronchitis, vulvovaginitis , bowel dysfunction - cm functional changes in the nervous system - hyperplastic cm: enlargement of peripheral lymph nodes - criteria
  17. Sheep Infectious Catarrhal Fever (Blue Tongue, Blutang)
    Catarrhal fever of sheep (febris catarrhalis ovium) is an infectious disease manifested by a fever, inflammatory necrotic lesions of the digestive tract, tongue and degenerative changes in skeletal muscles. Etiology. The causative agent, the RNA genomic virus, belongs to the Reoviridae family, the genus Orbivirus. The particle diameter of the purified culture virus is 50-65
    The basis of the chronic form of chronic rhinitis lies chronic catarrhal, like a wiklik є impaired tone of the sudin of the mucous membrane of the nose. Sickness skazhivatsya on the difficulty of the nasal dizziness and supra-mucous appearance of the nose. Difficulty in the nose of the nose of the vineи periodically, often in the cold. When lying on the boat, the congestion is more and more curved in the lower half of the nose. Tse pov'yazano iz
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