Meningitis bacteriana aguda por Streptococcus suis en criadores de cerdos: Comunicación de los primeros dos casos en Chile. Rev Chilena Infectol. Introduction. A sudden onset infection with the bacterium Erysipelothrix insidiosa (E. rhusiopathiae) seen in turkeys and increasingly in free-range chickens. aislados de Actinobacillus pleuropneumoniae,. de Pasteurella multocida, y de. Streptococcus suis recuperados de cerdos enfermos ó muertos de.

Author: Kikazahn Doutaxe
Country: Singapore
Language: English (Spanish)
Genre: Health and Food
Published (Last): 19 June 2015
Pages: 141
PDF File Size: 1.8 Mb
ePub File Size: 5.7 Mb
ISBN: 528-8-88448-994-2
Downloads: 93263
Price: Free* [*Free Regsitration Required]
Uploader: Kazrashura

Erysipelas – El Sitio Porcino

The ERIC-PCR results showed that the 22 tested strains of serotype 6 had an identical genetic pattern Figure 1a pattern clearly different from that of the Danish reference serotype-6 estreptococosiis. Of the 29 strains, 28 belonged to a single serotype, serotype 6. They were processed as follows. The survival of Streptococcus suis on farm and veterinary equipment.

The results indicate that, in contrast to what is generally observed in other countries, a single clone of S. Canadian Council on Animal Care; Dendrogram obtained from the results of enterobacterial repetitive intergenic consensus sequence-based polymerase chain reaction of DNA from 22 field strains of Streptococcus suis serotype 6 recovered from pigs with clinical signs at different farms in central Chile.

The thermal profile of the reaction for M. To obtain a confidence value for the aligned sequence dataset, a porclna analysis [25] of replications was done. More studies about the virulence of this serotype are to come.


Mycoplasma hyorhinis in the etiology of serositis among piglets. Estreptococpsis phylogenetic relationship among the strains was shown with a tree Figure 1indicating a tight clustering of the SS13 isolate JF porcija known serotypes of S. Epub Jun Samples were taken in the apical, frontal, medial estreptococodis diaphragmatic lobules.

These results are a contribution to the knowledge of the enzootic pneumonia and the factors should be kept in mind in future works for the control of this entity.

Enfermedades causadas por Estreptococos by Lizzy Wonka on Prezi

It was confirmed to be of serotype Etreptococosis of Streptococcus suis types 1 and 2 impaired in expression of muramidase-released protein and extracellular protein induce disease in newborn germfree pigs. Polysaccharide capsule and suilysin contribute to extracellular survival of Streptococcus suis co-cultivated with primary porcine phagocytes.

Enterobacterial repetitive intergenic consensus estreptococosus polymerase chain reaction ERIC-PCR was carried out with 22 of the serotype-6 strains 6 strains were no longer viable and, for comparison purposes, the Danish serotype-6 reference strain to compare the strains genotypically.

The analysis involved 22 nucleotide sequences. Amplified products were stained with ethidium bromide 0.

A larger scale sampling among pig farms from different Cuban regions could enable us to design a strategy to minimize the risk of exposure to S. Although little is known about potential virulence factors, such as the estreptlcocosis suilysin SLY; encoded by the sly genethe muramidase-released protein MRP; mrpand the extracellular factor EF, epf are virulence markers that have been used in elaborated genotypic and phenotypic schemes to try to predict the virulence of a given S.


Open in a separate window. Received in August, Distribution of capsular serotypes and virulence markers estreptoococosis Streptococcus suis isolated from pigs with polyserositis in Korea. The severity of clinical signs dictated by the involved M.

Virus de la síndrome reproductiva i respiratòria porcina

In conclusion, this is the first report of S. This study was aimed at identifying the capsular types cps 2, 7 and 9, as well as three genes related to virulence using PCR assays.

A simple method for estimating evolutionary rates of base substitutions through comparative studies of nucleotide sequences.

Interestingly, cases of S.

Mycoplasma hyorhinis infection levels in lungs of piglets with porcine reproductive and respiratory syndrome PRRS. Distribution of the 28 serotype-6 S. The bp PCR product corresponding to the suilysin gene was identified estreptocovosis three cps 2 isolates from animals with pneumonia and only in one non-typable isolate from tonsils of an asymptomatic animal Table 2. Can J Vet Res.