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Reproductive biology of female Nile tilapia, Oreochromis niloticus (Linnaeus) reared under monoculture and polyculture with sharptooth catfish (Clarias gariepinus, Burchell).

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dc.creator Shokoa, A.P.
dc.creator Limbu, Samwel M.
dc.creator Mrosso, H. D. J.
dc.creator Mgaya, Yunus D.
dc.date 2016-03-02T06:49:20Z
dc.date 2016-03-02T06:49:20Z
dc.date 2013
dc.date.accessioned 2018-04-18T11:49:34Z
dc.date.available 2018-04-18T11:49:34Z
dc.identifier Shoko, A.P., Limbu, S.M., Mrosso, H.D.L. and Mgaya, Y.D., 2013. Reproductive biology of female Nile tilapia, Oreochromis niloticus (Linnaeus) reared under monoculture and polyculture with sharptooth catfish (Clarias gariepinus, Burchell). Journal of Applied Animal Research (Submitted)
dc.identifier 2193-1801
dc.identifier 10.1186/s40064-015-1027-2
dc.identifier http://hdl.handle.net/123456789/522
dc.identifier.uri http://hdl.handle.net/123456789/10037
dc.description This study was conducted to assess the reproductive biology and early breeding behaviour of female Oreochromis niloticus reared in monoculture and polyculture with Clarias gariepinus in earthen ponds for 8 months. Results revealed no significant difference in length at first maturity (L50) between females reared in monoculture and polyculture systems. Similarly, no significant differences were detected in absolute fecundity, relative fecundity, gonado-somatic index and condition factor between the two culture systems. The absolute fecundity was more strongly correlated with total length and body weight than with ovary weight. The study concluded that early breeding of O. niloticus in captivity is not affected by the culture systems used. Therefore, O. niloticus production in either system can be improved only through proper pond management techniques.
dc.language en
dc.subject Early maturation
dc.subject Prolific breeding
dc.subject Tilapia culture systems
dc.subject Grow-out ponds
dc.subject Fecundity
dc.subject Ovary weight
dc.title Reproductive biology of female Nile tilapia, Oreochromis niloticus (Linnaeus) reared under monoculture and polyculture with sharptooth catfish (Clarias gariepinus, Burchell).
dc.type Other


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