The calibration used to estimate the -carotene plasma concentration was useful for analytic purposes,/
but it should still be improved./
The DESIR method can be interesting to monitor the plasma concentrations of carotenoids and tocopherol in live animals,/
whereas the measurement of the subcutaneous fat color of the carcass is a simple and fast method for discriminating,/
post-mortem, /
animals that were fed diets with different carotenoid contents./
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