Abstract
Abstract
Background
The present study investigated the effect of dietary Parkia biglobosa pulp (PBP) on the growth performance and blood profile of mixed sex Clarias gariepinus. The PBP meal was supplemented with the basal diets at 0.0, 0.5, 1.0, 1.5 or 2.0% and fed to C. gariepinus fingerlings for 12 weeks.
Results
Supplementing the diets of C. gariepinus with 1.0–2.0% PBP enhanced (P < 0.05) the weight gain, specific growth rate, protein efficiency ratio and reduced (P < 0.05) feed conversion ratio with the highest performance at 2.0% inclusion level, compared to the control diet. The red blood cell counts of the fish fed PBP-supplemented diets did not differ (P > 0.05) from those fed the control diet while the lymphocyte counts was boosted (P < 0.05) with dietary PBP. Dietary supplementation with 1.0–2.0% PBP enhanced (P < 0.05) synthesis of total protein and albumin in the experimental fish while all fish fed PBP-supplemented diets had lower (P < 0.05) levels of aspartate aminotransferase and alanine aminotransferase.
Conclusions
The present study showed that 1.0–2.0% PBP enhanced growth and nutrient utilization, lymphocytes, serum albumin and total protein and reduced serum liver enzymes, indicating the growth-promoting, immunostimulating and hepatoprotective effects of PBP in C. gariepinus Therefore, supplementation of PBP meal as feed additive in the basal diet of Clarias gariepinus at 2.0% is recommended.
Publisher
Springer Science and Business Media LLC
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