並非牛齡30個月以上的牛隻有狂牛症高風險，而是牛齡愈長，被驗出遭感染的部位愈多。
此外，行政院農委會已澄清，依據教育部《學校衛生法》第23條規定，「學校供應膳食其食材應優先採用中央農業主管機關認證之在地優良農業產品，並禁止使用含基因改造生鮮食材及其初級加工品」，學校的營養午餐會使用國產肉品。

歐盟並沒有肯定的說瘦肉精會有副作用。歐盟的正式立場是決定 MRL＝10ppb 的資料不夠完整，不足以確定人體健康不受危害。
The European Union's risk assessment body, the European Food Safety Authority, has concluded that there is insufficient data upon which to make a proposal for MRLs for ractopamine and that thereby risks to human health cannot be ruled out. Given its outstanding safety concerns, the European Union's current legislation will remain in place.