The Claim

In Japanese quail, dietary supplementation with 0.8% paprika, marigold, or a mixture of both results in a poorer feed conversion ratio compared to unsupplemented controls, indicating reduced efficiency in converting feed into body mass or egg output.

Source: Improvement in the Coloration and Quality of Japanese Quail Eggs Through Supplementation with Natural Pigments

What the research says

Supports is higher

Support is ahead, but a single strong opposing study can change this.

Supports
11score
Challenges
0score

These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

Cause and effect
1 study reviewed
In plain English

If you feed Japanese quail a diet with 0.8% paprika, marigold, or both, they don’t turn their food into body weight or eggs as well as quail that don’t get those supplements.

See the scientific wording

In Japanese quail, supplementation with 0.8% paprika, marigold, or their mixture leads to poorer feed conversion ratio compared to unsupplemented controls, indicating reduced efficiency in converting feed into body mass or egg output.

What the research says

1 study

  1. Study: Improvement in the Coloration and Quality of Japanese Quail Eggs Through Supplementation with Natural Pigments

    The study found that quail fed with paprika, marigold, or a mix needed more feed to produce eggs compared to those not given these supplements, which means they were less efficient.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies

Fit Body Science verdict — we translate health claims into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.