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Two hundred and twenty E. coli strains isolated from cases of poultry colibacillosis in Poland were studied serologically. One hundred and ninety-six (89 per cent) were identified as belonging to 37 different O groups. Ninety-three strains (42 per cent) belonged to 6 serotypes considered to be pathogenic for poultry. The seriotypes were: O1:K1, O2:K1, O3:K?, O8:K?, O22:K?, O78:K80. The greatest number...
"Coli septicaemia" causes large losses in the breeding of chicks, broilers, and turkeys. It has been shown that the most frequent causes of this disease are the serotypes O2:K1, O78:K80, O1:K1. O8:K? (1, 2, 4, 5, 20). The purpose of this work was a closer definition of the antigen structure of smooth and rough forms frmn serotypes O2:K1 and O78:K80, coliform bacilli, with the help of immunoelectrophoresis...
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