Growth, survival and skin coloration of Pangasius sp. fed with diet containing jute leaves (Chorchorus olitorius) and sweet potato leaves (Ipomea batatas L [manuscript]
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Date
2018
Authors
Ma. Elizabeth M. Esmeralda
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Abstract
The present study was conducted to determine the effect of jute leaves and sweet potato leaves on the growth, survival and skin coloration of Pangasius sp. Nine hundred Pangasius sp. fingerlings were randomly distributed in three treatments with three replicates each. The treatments were Treatment 1 = 100% commercial feeds (control), Treatments II = 50% commercial feeds + 50% jute leaves, and Treatment III = 50% commercial feeds + 50% sweet potato leaves. The growth parameters were determined every two weeks of sampling and skin coloration were compared after 60 days of culture period. Results of the study showed that Pangasius sp. fed with commercial feed (Treatment 1) had the highest final weight, gain in weight and specific growth rate while, Pangasius sp. fed with 50% commercial feeds + 50% sweet potato leaves (Treatment III) recorded the highest survival rate. However, analysis of variance revealed that final weight, gain in weight, and specific growth rate of Pangasius sp. in all treatments were comparable. Pangasius sp. fingerlings fed with commercial feed (Treatment 1) showed intense black coloration compared to the other treatments. Pangasius sp. fingerlings fed with diet containing jute and sweet potato leaves, had greenish coloration on the lateral part of the fish body. Analysis of variance revealed that skin coloration of Pangasius sp. fingerlings in Treatment 1 was significantly different (p<0.05) from those Pangasius sp. fingerlings in Treatment II and III.