A Study of Growth Rate and Feed Conversion Ratio in Hybrid Catfish (Clarias macrocephalus x C. gariepinus) fed with and without the Night Insects
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Abstract
The objective of this study was to compare the growth and feed conversion ratio
(FCR) of hybrid catfish fed with trapped by automatic trapping machine with the growth and
feed conversion ratio (FCR) of hybrid catfish fed without night insects. Two treatments
(3 replications/treatment) consisted of 1) fish (n=30) fed with commercial feed and night
insects trapped by automatic trapping machine 2) fish (n=30) fed with commercial feed.
Experiment duration was 90 days. An independent T-test was used for statistical analysis.
The results showed that average daily weight gain (ADG) of the fish fed with commercial feed
and night insects was 1.76 g./ day. ADG of fish fed with commercial feed and night insects
was not significantly different from that of fish fed with only commercial feed (P>0.05). FCR
of fish fed with commercial feed and night insects was lower than that of fish fed with only
commercial feed. The results indicated that an automatic trapping machine could be used
to reduce the cost of hybrid catfish production without affecting the growth of the fish.
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