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An Investigation and Characterization of Enterovirus Strains in Swedish Pigs

I. Isolation, Biological, Chemical and Physical Properties

Untersuchungen und Charakterisierung der Enterovirusstämme bei schwedischen Schweinen

I. Isolierung, biologische, chemische und physikalische Eigenschaften

Undersökningar och karakterisering av enterovirusstammar hos svenska grisar

I. Isolering, biologiska, kemiska och fysikaliska egenskaper

Summary

From 60 swine herds in central Sweden 16 ether-resistant viruses were isolated in swine kidney tissue-culture. Altogether 8 different serological groups were obtained. They produced two different cytopathic pictures. Antigenically different strains produced the same type of plaques. The strains possessed properties that are characteristic of enteroviruses, e. g. cytopathic effect in swine-kidney tissue-culture, resistance to ether and chloroform, relative resistance to heat, and sedimentation constants of the same order of size as Teschen control virus.

Zusammenfassung

Von 60 Schweinebestände aus Mittel-Schweden, wurden in der Schweinenierengewebekultur 16 ätherresistente Stämme isoliert. Bei den so erhaltenen acht antigen verschiedenen Stämmen, konnte man zwei unterschiedbare zytopathische Effekte beobachten. Dieselbe Plaque-Form wurde bei antigen verschiedenen Stämmen erhalten. Ausserdem wurden bei den untersuchten Stämmen folgende charakteristische Eigenschaften der Enteroviren festgestellt: die cytopathische Veränderungen in der Schweinenierengewebekultur, die Äther- bzw. Chloroform-Resistenz, eine relative Wärmeresistenz und Sedimentationskonstanten von derselben Grösse als der Teschen Kontrollstamm.

Sammanfattning

Från svin tillhärande 60 besättningar isolerades 16 eterresistenta virusstammar på vävnadskultur av svinnjure. Av dessa erhölls 8 serologiskt skilda grupper. De gav upphov till två olika degenerationsbilder. Antigent skilda stammar gav samma typ av plaques. Stammarna hade egenskaper, vilka är typiska för enterovirus, såsom cytopatogen effekt i vävnadskultur av svinnjure, relativ resistens mot eter, kloroform och värme samt sedimentationskonstanter av samma storleksordning som Teschen kontrollvirus.

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Aided by grants from Fonden för främjande av forsknings- och försöksverksamheten på jordhrukets område.

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Sibalin, M. An Investigation and Characterization of Enterovirus Strains in Swedish Pigs. Acta Vet Scand 4, 313–331 (1963). https://doi.org/10.1186/BF03547194

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