The antibacterial, bacteriolytic and acid phosphatase (ACP) activities in the haemolymph of Penaeus chinensis were assayed on days 1,3,5 and 7 after immuno drugs were orally ingested by the prawns.

• 中国对虾口服复合免疫药物"虾康素"后,于第1,3,5,7天分别测定了中国对虾血清中抗菌活力、溶菌活力和酸性磷酸酶(ACP)活力。