What question did this study set out to answer?

To determine whether physical and chemical treatments of rapeseed meal can degrade sinapine and prevent trimethylamine-induced taint in eggs laid by susceptible hens.

May 1, 1979British Poultry Science

Rapeseed meal and egg taint: Treatment of rapeseed meal to reduce tainting potential

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To determine whether physical and chemical treatments of rapeseed meal can degrade sinapine and prevent trimethylamine-induced taint in eggs laid by susceptible hens.
Treated rapeseed meal using calcium hydroxide suspension, autolysis, steaming, or ammonia.
Fed the treated meal to susceptible ('tainting') laying hens and evaluated trimethylamine accumulation in their eggs.
Calcium hydroxide suspension reduced sinapine levels in rapeseed meal by up to 90%, producing greater reductions than autolysis, steaming, or ammonia treatment.
Susceptible hens fed the treated meal produced eggs with trimethylamine concentrations far below the threshold required to generate off-flavor taint.

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Implication

Experimental study demonstrates calcium hydroxide treatment of rapeseed meal reduces egg trimethylamine in susceptible hens, indicating a practical approach to prevent taint.

Cite This Study

Fenwick et al. (1979) studied this question.

synapsesocial.com/papers/6a08f3a634cfc5f8bc5b823d https://doi.org/10.1080/00071667908416587

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Implication

Experimental study demonstrates calcium hydroxide treatment of rapeseed meal reduces egg trimethylamine in susceptible hens, indicating a practical approach to prevent taint.

Rapeseed meal and egg taint: Treatment of rapeseed meal to reduce tainting potential

Key Points

Discussion

Implication

Cite This Study

Rapeseed meal and egg taint: Treatment of rapeseed meal to reduce tainting potential

Key Points

Discussion

Implication

Cite This Study

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