Mycoplasma infection of Geese I. Incidence of Mycoplasmas and Acholeplasmas in Geese

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Abstract
This paper presents data about the isolation of members of the order Mycoplasmatales from material of goose origin. Acholeplasma laidlawii strains were isolated from 2 to 8 day old goslings with heavy fibrinous airsacculitis, peritonitis and perihepatitis. Losses reached 30% of the flock by the end of the 8th week of age. Acholeplasma axanthum strains were detected in goose‐embryos that died on the 13th day of incubation. A significant loss (up to 60%) of embryos was observed in the flock and some layers died showing fibrinous peritonitis, salpingitis and abdominal airsacculitis. Mycoplasma gallinarum also was isolated from goose‐embryo fibroblast tissue cultures. All strains except A. laidlawii caused cytoplasmic vacuolization and intracytoplasmic inclusion bodies in goose‐embryo fibroblast tissue cultures. The alteration observed in chicken‐embryo fibroblast cell cultures were similar; in addition, the A. laidlawii caused a marked pycnosis of the cells.