Mass spectrometry-based metabolic profiling for identification of biomarkers in serum related to the change of laying ducks in different physiological periods

Eggs are a major animal protein source for humans.Egg formation is a complex process involved in coordinating various tissues and organs, while blood is necessary for gonad differentiation and egg formation.In this study, non-targeted metabolomics technology was employed to determine the serum metabolites at the time point of 70 days (before laying

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