quantitative
Analysis v1
Strong Support
Pigs bred to be lean grow muscle faster in the middle of their finishing stage than pigs bred to be fat, but by the end of 28 days, both types end up with about the same amount of muscle.
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0
Evidence from Studies
Supporting (1)
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Community contributions welcome
12
Effects of ractopamine on performance and composition of pigs phenotypically sorted into fat and lean groups.
Randomized Controlled Trial
Animal
2005 JunScientists compared pigs that were naturally leaner vs. fatter and found that the leaner ones grew muscle faster in weeks 2 and 4, but over the full 28 days, both types ended up growing about the same amount of muscle.
Contradicting (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.