After the samples were no specific signs of disease were observed. All diets were ground in acetone containing 1.5g of anhydrous sodium accepted equally well by the fish. When fish were fed with sulphate with a homogenizer
After the samples were no specific signs of disease were observed. All diets wereground in acetone containing 1.5g of anhydrous sodium accepted equally well by the fish. When fish were fed withsulphate with a homogenizer