A 42–day trial was conducted to evaluate the performance of juvenile (0.30 g initial weight) Pacific white shrimp Litopenaeus vannamei offered diets containing various levels of copper hydroxychloride (Cu2(OH)3Cl) containing 58.8% copper (Cu) or Cu sulfate (CuSO4) containing 25.5% Cu. The basal diet (360 g/kg protein, 80 g/kg lipid) was primarily composed of soybean meal, fish meal, corn protein isolate and whole wheat and was formulated to be deficient in Cu (approximately 10 mg Cu/kg). The basal diet (B10) was supplemented with 30, 90, 150, ...
