Pathological Effects of Dietary Rapeseed Oil in Ducklings

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Abstract
The pathological effects of dietary rapeseed oil (10–60 cal%) in Pekin ducklings have been investigated. The oil produced growth retardation, mortality, increase in hematocrit and reticulocyte count, severe hydropericardium, hypertrophy of the heart, cirrhotic changes of the liver, lipidosis of the spleen and fatty accumulation associated with cell infiltration in the heart and skeletal muscles. 30 cal% rapeseed oil appeared to be the minimum level causing these changes. It is demonstrated that the pathogenicity of rapeseed oil is due to its erucic acid content.

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