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<br />. l <br /> <br />, <br /> <br />. ',. '., -... ',.-\.#'...., ,,',.,- - ...'''''"' ',. ~'-" ,'. -', " <br /> <br />Severson et al. <br /> <br />63 <br /> <br />FIGURE 1. Average weight of young razorback suckers fed different diets. All <br />fish were fed BioKyowa-B during Phase I. A = Fish fed BioKyowa-A in Phases <br />II and III. S + A = Fish fed Silver Cup in Phase II and BioKyowa-A in Phase <br />III. A + S = Fish fed BioKyowa-A in Phase II and Silver Cup in Phase III. S = <br />Fish fed Silver Cup in Phase II and Phase III. <br /> <br /> 0.1 PHASE PHASE PHASE A <br /> I II III <br /> 0.6 <br /> 0.5 S+A <br />r"'\ <br />(J) <br />-...J 0.4 <br />1- <br />:r: <br />(!) A+S <br />mO.3 <br />3 <br /> 0.2 <br /> 0.1 S <br /> 0 <br /> 0 20 40 60 80 100 120 140 <br /> DA YS AFTER HATCHING <br /> <br /> <br /> <br />81 <br />."."....~.. <br /> <br />varied in proximate analysis (Table 1), with a range in protein con- <br />tent from 48.2% (Bio-dry) to 57.2% (B-250). Differences in fat <br />content ranged from 14.7% (B-250) to 22.4% (A-400). BioKyowa- <br />A, the best diet in Phases II and III, had the highest fat content but <br />not the highest protein content. The diet that produced low growth <br />and survival contained a high protein level (55.3%) and a fat con- <br />tent that was similar to the BioKyowa-A diet. The other two diets <br />(AP-IOO and Bio-dry) had less protein and fat. <br />At the termination of the study, some fish from each diet treat- <br />ment had spinal deformities (Table 3). The percent deformities var- <br />ied but were highest in fish fed only SCSS (83%). Examination of 5 <br />