Oteme, J.Z. (1991) Polyculture du machoiron Chrysichthys nigrodigitatus avec Oreochromis niloticus en etang. Journal Ivoirien d'Oceanologie et de Limnologie, 1(1), pp. 9-15.
Fingerling catfish Chrysichthys nigrodigitatus (P=4.0 g, FL=65.3 mm) and Oreochromis niloticus (P=11.2 g, TL=84.8 mm) were stocked in 0.06 ha earthen ponds at Pass (Annex of the Aquaculture Research Station at Layo, Côte d'Ivoire). The ponds were stocked at densities of 6700 catfish per ha, and 6700 catfish with 3350 tilapias per ha. The study lasted from February to August 1985 and the fish were fed daily at 6% of the estimated catfish biomass with 32% protein pellet. There were no differences in mean weekly water temperature (p > 0.05). The dissolved oxygen concentration was higher in ponds where tilapias were added (p < 0.05) The presence of tilapias seems to have improved water quality and did not affect growth and production of catfish (p > 0.05). Their presence also significantly increased total fish yield (p < 0.05) by 23.5%. There were no significant differences (p > 0.05) in catfish survival between the two production systems.
|Item Type: ||Article|
|Title: ||Polyculture du machoiron Chrysichthys nigrodigitatus avec Oreochromis niloticus en etang|
|Personal Creator/Author: |
|Journal or Publication Title: ||Journal Ivoirien d'Oceanologie et de Limnologie|
|Page Range: ||pp. 9-15|
|Date: ||January 1991|
|Issuing Agency: ||Centre de Recherches Oceanographiques, Cote d'Ivoire|
|Uncontrolled Keywords: ||Côte d'Ivoire; Chrysichthys nigrodigitatus; catfish; Oreochromis niloticus; tilapia; polyculture; production|
|Item ID: ||7505|
|Depositing User: ||Mr Luigi Baldassari|
|Date Deposited: ||30 Jan 2012 10:52|
|Last Modified: ||26 Jul 2012 10:08|
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