Effect of dietary formic acid and astaxanthin on the survival and growth of Pacific white shrimp (Litopenaeus vannamei) and their resistance to Vibrio parahaemolyticus

饲料中甲酸和虾青素对南美白对虾（Litopenaeus vannamei）存活率、生长及其对副溶血性弧菌抵抗力的影响