Abstract
The deoiled meal of tung ( Aleurites fordii Hemsl.) kernels is usually a waste because of its toxic effects on livestock, while its oil has some industrial uses. The defatted material was tested for the quantitative levels of common antinutritional factors like tannins and saponins which were found to be 1·55 and 0·72% respectively. The material was tested for detoxification by giving double treatment of rectified spirit followed by 0·2 M sodium hydroxide for a duration of 24 h each. The treated material (containing residual tannins 0·15% and saponins 0·26%) was then tested on one-week-old hybrid male chicks by feeding at 5 and 10% levels for a period of six weeks. The depression in the growth rates was significantly low ( P ≤ 0·05) at 10% level of its feeding, while at its 5% level, the growth depression was non-significant. The overall retarded growth syndrome due to this material may be a result of overall affliction of the body metabolism of the experimental chicks, due to the toxic proteins which this material is reported to contain.
Published Version
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