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CONTAGIOUS BOVINE PLEUROPNEUMONIA (CBPP). Mycoplasma mycoides subspecies mycoides SC (bovine biotype). subacute or symptomless infections persistence.

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Presentation on theme: "CONTAGIOUS BOVINE PLEUROPNEUMONIA (CBPP). Mycoplasma mycoides subspecies mycoides SC (bovine biotype). subacute or symptomless infections persistence."— Presentation transcript:

1 CONTAGIOUS BOVINE PLEUROPNEUMONIA (CBPP)

2 Mycoplasma mycoides subspecies mycoides SC (bovine biotype). subacute or symptomless infections persistence of chronic carriers after the clinical phase incubation period: 6 months

3 Diagnosis: clinical signs in the live animals (problem: may be slight or non-consistent; asymptomatic carriers) gross pathological findings (lesions are characteristic but not always obvious) serological tests culture and identification of the causative organism (difficult if anti-microbial treatment) PCR effective meat inspection + laboratory examinations of suspect lesions

4 provisional freedom from disease + 2 years freedom from disease + 2 years freedom from infection

5 Specific criteria: no clinical or pathological evidence of CBPP (for the declaration of provisional freedom: at least for 3 years or 1 year if no vaccination); effective veterinary service; effective meat inspection; all evidence suggestive of CBPP is investigated by laboratory methods; diagnostic procedures capable of differentiating Mycoplasma mycoides from other bovine Mycoplasma infections;

6 effective reporting system; effective system to prevent the introduction of infection (e.g. border control, quarantine); if vaccination has been used, all vaccination against CBPP has ceased by the date of declaration of provisional freedom.

7 Country free from infection without intermediate steps continuously free from CBPP for at least 10 years and no vaccination for at least 10 years; no clinical or pathological evidence for at least 10 years; adequate disease surveillance and reporting system; use of diagnostic procedures capable of differentiating Mycoplasma mycoides from other bovine Mycoplasma infections

8 localized temporary outbreak: stamping-out policy, which may be supported by zonal vaccination. re-establishin infection free status: 2 years from the date of the last case; demonstration that the outbreak did not represent endemic infection and that the disease has been eradicated by the actions taken


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