Ornithosis In Certain Sea-Birds

Abstract
Field and laboratory investigations for the presence of ornithosis in certain sea birds gave evidence of recent infection in adult and juvenile fulmars (Fulmarus glacialis) from Vidoy in the Faroe Islands but not in fulmars on Shetland. A strain of ornithosis was isolated from juvenile herring gulls (Larus argentatus) and serol. evidence of infection found in the lesser black back gull (L. fuscus) on Skomer I. (Pembrokeshire). No definite evidence of infection was found in sera from manx shearwaters (Puffinus puffinus) on Skomer I. It is suggested that these infections are old-established in the Laridae, but probably arose for the first time in the fulmars around 1930.

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