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The Thai Journal of Veterinary Medicine

Abstract

High dietary levels of rapeseed oil containing high and low erucic acid and soybean oil were fed to ducks from one day of age through the early growing period. Clinical signs and mortality, hematology, gross and histopathologic changes were studied. The fallowing results were obtained : 1. Fatty infiltration occurred in the heart, skeletal muscles, spleen and kidney in ducks fed the high erucic acid rapeseed oil ration. It also occurred to a lesser extent with the other unsaturated oil rations. 2. The clinical signs of the ducks which were fed the high erucic acid rapeseed oil ration and which died during the experiment were loss of appetite, ruffled feathers, depression and listless, diarrhea, labored breathing, recumbency and finally death. 3. Mortality associated with hydropericardium, ascites and hepatic fibrosis occurred in ducks fed the high erucic acid rapeseed oil ration. 4. Anemia occurred at 7 days in ducks fed the high erucic acid rapessed oil ration. 5. Low erucic acid rapeseed oil ration produced no significant pathological changes when compared with the control and soybean oil rations.

DOI

10.56808/2985-1130.3434

First Page

367

Last Page

381

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