The cross reactivity of McAbs with ractopamine was 1.73%, and no cross reaction with adrenalin, noradrenalin, isoprenaline, penicillin, enrofloxacin, BSA and OVA.

• 单抗对莱克多巴胺的交叉反应率为1.；73%25，对肾上腺素、异丙肾上腺素、去甲肾上腺素、青霉素、恩诺沙星、BSA和OVA等均无交叉反应。