A Preliminary study on co-cultivation of Mozambique tilapia (Oreochromis mossambicus) with bronze featherback (Notopterus notopterus) in shallow homestead ponds
2011
Rahmatullah, M | Das, Nanda K | Rahman, M Aminur | Sultana, Tahera | Jahan, Rawnak
unknown. Mixed-sex population of Mozambique tilapia (Oreochromis mossambicus) and bronze featherback or chital (Notopterusnotopterus) were co-cultivated in three 136 m2 shallow ponds of 1 m depth at a ratio of 100:1 with a stocking density of2 tilapia and 0.125 chital m-2 for 308 days during 2003-2004. The ponds were manured with semidried cow dung aloneduring the culture at the rate of 3.5 kg week-1. The weight (mean + SD) of Mozambique tilapia at harvest was 39.3 + 12.4 g.Chital exhibited spectacular growth from an initial weight of about 0.8 g per fry to a final weight of 1073 + 246 g (mean +SD) at harvest. The survival rate of chital at the end of culture period was 47%. The extrapolated annual yield of tilapia andchital were 2.8 and 0.9 ha-1 respectively. The results indicate that tilapia and chital can be co-cultivated in small shallowponds.
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