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Published byBuck Dennis Modified over 9 years ago
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CONTAGIOUS BOVINE PLEUROPNEUMONIA (CBPP)
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Mycoplasma mycoides subspecies mycoides SC (bovine biotype). subacute or symptomless infections persistence of chronic carriers after the clinical phase incubation period: 6 months
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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
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provisional freedom from disease + 2 years freedom from disease + 2 years freedom from infection
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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;
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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.
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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
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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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