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Haemolytig Escherichia Coli Serotypes Isolated From Pigs, Cattle, Dogs, and Cats

Hämolytische Escherichia Coli Serotypen isoliert von Schweinen, Rindern, Hunden und Katzen

Serologisk undersökning au hämolyserande Escherichia coli, som isolerais från svin, not, hund och katt


Of 272 haemolytic strains of E. coli studied, 209 or 76.8 per cent belonged to 5 O-groups — 14 to O 2, 24 to O 6, 79 to O 138, 6 to O 139, and 86 to O 141. The strains were isolated from pigs, cattle, dogs, and cats. The distribution of the various serotypes among isolates from the different species is shown in Tables 3 a and 3 b.

The serotypes O 141 :K 85(B) : (H 1) and 0 138: K 81(B) : (H 14) were the most common types recovered from pigs, usually in association with acute enteritis — often haemorrhagic — and septicaemia in animals 4 to 10 weeks of age. Serotype O 141 :K 85(B) : (H 1) was also isolated from dogs and cats. Strains belonging to O-groups 2 and 6 were recovered from pigs, cattle, and dogs, usually in association with local inflammatory lesions (cystitis, pneumonia, enteritis etc.).

Serotype O 138: K 81(B) : (H 14) was also isolated from cattle. Serotype O 139 :K 82(B) :H 1 was isolated from pigs and cattle. The haemolytic properties of the strains are discussed. With one exception no examples of “oedema disease” were seen.


209 von 272 hämolytischen E. Coli Stämmen (76,8%) gehörten zu 5 verschiedenen O-Gruppen, nämlich O-Gruppe 2 14St. O-Gruppe 6 24St. O-Gruppe 138 79St. O-Gruppe 139 6 St. und O-Gruppe 141 86St.

Die Stämme wurden von Schweinen, Rindern, Hunden und Katzen isoliert. Die Verteilung der verschiedenen Serotypen innerhalb der verschiedenen Tierarten geht aus den Tabellen 3 a und 3 b hervor.

Die Serotypen O 141 :K 85(B) : (H 1) und O 138: K 81(B) : (H 14) kamen gewöhnlich bei Schweinen vor und wurden in der Regel im Zusammenhang mit akuten Enteriten isoliert — meistens hämorrhagische — mit Sepsis bei Schweinen im Alter von 4–10 Wochen. Serotyp O 141 :K 85(B) : (H 1) kam auch bei Hunden und Katzen vor. Stämme die zur O-Gruppe 2 und 6 gehörten kamen bei Schweinen, Rindern und Hunden vor, meistens im Zusammenhang mit lokalen Infektionen (Cystiten, Pneumonien, Enteriten etc.). O 138:K 81(B) :(H 14) wurde auch von Rindern isoliert. O 139 :K 82(B) : (H 1) wurde von Schweinen und Rindern isoliert. Die hämolysierenden Fähigkeiten der Stämme wird diskutiert. Die Oedem-Krankheit ist mit einer Ausnahme nicht beobachtet worden.


209 av 272 häm. E. coli stammar (76,8 %) tillhörde 5 O-grupper, nämligen O-grupp 2 14 st, O-grupp 6 24 st, O-grupp 138 79 st, O-grupp 136 6 st och O-grupp 141 86 st. Stammarna var isolerade från svin, not, hundar och katter. De olika serotypernas fördelning inom de olika djurslagen framgår av Tabeli 3 a och 3 b.

Serotyperna O 141.-K 85(B): (H1) och O 138:K 81(B) : (H 14) var vanligast förekommande hos grisar och hade som regel isolerats i samband med akuta enteriter — ofta hämorrhagiska — med sepsis hos grisar i åldern 4–10 veckor. Serotypen O 141 :K 85(B) : (H 1) forekom också hos hund och katt. O 2 och O 6 stammar tprekom hos svin, not, hund of tast i samband med lokala infektioner (cystit, pneumoni, enterit etc.). O 138:K 81(B) : (H 14) isolerades även från not. 0 139: K 82(B) :H 1 isolerades från svin och not. Hämolysförmagan hos stammarna diskuteras. Oedema disease har med ett undantag ej iakttagits.


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Additional information

This work has been supported by a grant from Statens medicinska forskningsråd.

It has long been recognised that Escherichia coli, although part of the normal intestinal flora, can also cause infections in human beings and animals. For many years there were no means of accurately typing the various strains isolated. This difficulty naturally hindered study of the significance of these organisms for the infectious diseases with which they were associated. Extensive investigations, particularly by Kauffmann and his associates, have now clarified many of the serological properties of E. coli. Strains isolated from diseased and normal organs can now be identified and many conclusions of practical value reached.

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Månsson, I. Haemolytig Escherichia Coli Serotypes Isolated From Pigs, Cattle, Dogs, and Cats. Acta Vet Scand 3, 65–78 (1962).

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