Abstract
Abstract The impact on growth performance, feed efficiency, and health status of substituting 0, 25, 50, 75, and 100% of fishmeal (FM) with Vespa orientalis meal (WM) in the Nile tilapia diets was examined. Fifteen hapas of randomly selected fingerlings (with a mean weight of 1.1 g ± 0.02) were fed the test meals for 84 days. The findings indicated that the fish development rate was not noticeably affected when FM was partially replaced by up to 50% of WM. The feed conversion ratios of WM25 and WM50 were considerably greater () than those of all other diets. The substitution of FM by WM up to 100% did not significantly alter the values of total protein, globulin, albumin, urea, creatinine, alanine aminotransferase and aspartate aminotransferase (). These results suggest that the Nile tilapia is unaffected by the integration of WM up to 50% instead of FM without adverse effects on growth and nutrient utilisation.
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