Adding a type of algae to chicken feed makes egg yolks more orange-red, which people still find tasty and acceptable.
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Evidence from Studies
Supporting (1)
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Community contributions welcome
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Time course of nutritional and functional property changes in egg yolk from laying hens fed docosahexaenoic acid-rich microalgae
Randomized Controlled Trial
Animal
2020 SepContradicting (0)
0
Community contributions welcome
No contradicting evidence found
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.