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. 2006 Apr;47(4):366-9.

Mycoplasma mycoides subsp. capri associated with goat respiratory disease and high flock mortality

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Mycoplasma mycoides subsp. capri associated with goat respiratory disease and high flock mortality

Laura Hernandez et al. Can Vet J. 2006 Apr.

Abstract

A high mortality outbreak of respiratory mycoplasmosis occurred in goats in Mexico. The clinicopathologic presentation resembled contagious caprine pleuropneumonia caused by Mycoplasma capricolum subspecies capripneumoniae. By using a battery of polymerase chain reaction assays, the mycoplasma associated with this outbreak was identified as Mycoplasma mycoides subsp. capri.

Mycoplasma mycoides subsp. capri associé à la maladie respiratoire de la chèvre et à un taux élevé de mortalité dans les troupeaux. Une flambée de mycoplasmose respiratoire présentant une mortalité élevée a atteint des chèvres au Mexique. Les signes clinicopathologiques ressemblaient à la pleuropneumonie caprine contagieuse causée par Mycoplasma capricolum subsp. capripneumoniae. Par une batterie de tests d’amplification en chaîne par polymérase, Mycoplasma mycoides subsp. capri a été identifié comme responsable de cette flambée.

(Traduit par Docteur André Blouin)

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Figures

Figure 1
Figure 1
Polymerase chain reaction products obtained after amplification of template DNA from mycoplasma isolates recovered from Mexican goats with respiratory disease (A) and from reference mycoplasma strains (B), using the MmF-MmR primer pair, which target sequences of the Mycoplasma mycoides cluster (7); and the corresponding PstI digestion products of the 548 bp amplicons seen in A (C). MW: Molecular weight ladder, 50 bp; 1–7: Mycoplasma isolates from Mexican goats; F38 and GL102: M. capricolum subsp. capripneumoniae; USM: Unidentified sheep mycoplasma; PG3: M. mycoides subsp. capri; YG: M. mycoides subsp. mycoides Large Colony Type; Cal. Kid: M. capricolum subsp. capricolum.
Figure 2
Figure 2
Polymerase chain reaction products obtained after amplification of template DNA from mycoplasma isolates recovered from Mexican goats with respiratory disease, using the following primer pairs: P4/P5, specific for M. mycoides subsp. mycoides Large Colony Type (A), P4/P6, specific for M. mycoides subsp. capri (B), P4/P8, specific for M. capricolum subsp. capricolum (C), P4/P9, specific for M. capricolum subsp. capripneumoniae (D), P4/P10, specific for bovine group 7 mycoplasmas (E), and MSC1/MSC2, specific for M. mycoides subsp. mycoides Small Colony Type (F). MW: Molecular weight ladder, 50 bp; 950010 and YG: M. mycoides subsp. mycoides Large Colony Type; USM: Unidentified sheep mycoplasma; 1, 3 and 7: Mycoplasma isolates from Mexican goats; PG3: M. mycoides subsp. capri; 7714 and Cal. Kid: M. capricolum subsp. capricolum; F38 and GL102: M. capricolum subsp. capripneumoniae; 8859-291 and PG50: Bovine Group 7 mycoplasmas; PG1 and Afade: M. mycoides subsp. mycoides Small Colony Type.

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