Production of tilapia for tilading processing following two feeding schemes under semi intensive pond culture system [manuscript]
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Date
2018
Authors
Krizza B. Dequiña
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Abstract
The study was conducted to evaluate the effect of delayed feeding on the culture of Nile tilapia (O. niloticus) for Tilading processing. This study was conducted in six (6) earthen ponds for 52 days. After the study, the highest final weight was obtained in Treatment 2 (23.02 g). Significant differences were obtained for survival rate, final weight, gain in weight, absolute growth rate and specific growth rate but not for FCR. (P>0.05). Size variability gave different values but no significant difference was observed (P>0.05). Afternoon temperature readings, Treatment 1 (33.54°C) and Treatments 2 (32.98°C) were significantly different (P<0.05). Mean pH readings ranged from 7.39 to 7.57 however, significant difference among treatments either morning or afternoon was observed (P<0.05) Mean DO reading in the mornings showed significant difference. TAN was not significant. Generally, based on the result of the experiment, it can be recommended that further study is encouraged to focus on treatment 1 (Fed start after 15 days of stocking).