causal
Strong Support
Giving cattle a special feed additive called ractopamine helps them grow faster and use their food better, so they end up bigger and leaner with less fat marbling in their meat.
19
0
Evidence from Studies
Supporting (1)
19
Community contributions welcome
19
Effect of ractopamine hydrochloride (Optaflexx) dose and duration on growth performance and carcass characteristics of finishing steers.
Randomized Controlled Trial
Animal
2016 DecThe study gave steers 200 mg of ractopamine every day and found they grew faster, used their food better, got heavier, had bigger lean meat areas, and had less fat marbling — just like the claim said.
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.